HC2VPP-7 - L3 split to separate module

ipv4/ipv6/proxy arp/nd proxy

Change-Id: I536298dd5584f79f357e94da08d402e67e79bb71
Signed-off-by: Jan Srnicek <jsrnicek@cisco.com>

77 files changed, 776 insertions, 303 deletions

diff --git a/l3/api/asciidoc/Readme.adoc b/l3/api/asciidoc/Readme.adoc
new file mode 100644
index 000000000..dd386c36b
--- /dev/null
+++ b/l3/api/asciidoc/Readme.adoc
@@ -0,0 +1,3 @@
+= l3-api
+
+Overview of l3-api
\ No newline at end of file
diff --git a/l3/api/pom.xml b/l3/api/pom.xml
new file mode 100644
index 000000000..df9d9e4ab
--- /dev/null
+++ b/l3/api/pom.xml
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (c) 2017 Cisco and/or its affiliates.
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at:
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>io.fd.honeycomb.common</groupId>
+        <artifactId>api-parent</artifactId>
+        <version>1.17.04-SNAPSHOT</version>
+    </parent>
+
+    <groupId>io.fd.hc2vpp.l3</groupId>
+    <artifactId>l3-api</artifactId>
+    <version>1.17.04-SNAPSHOT</version>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.opendaylight.mdsal.model</groupId>
+            <artifactId>ietf-yang-types-20130715</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.opendaylight.mdsal.model</groupId>
+            <artifactId>ietf-interfaces</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.opendaylight.mdsal.model</groupId>
+            <artifactId>ietf-inet-types-2013-07-15</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.opendaylight.mdsal.model</groupId>
+            <artifactId>yang-ext</artifactId>
+        </dependency>
+    </dependencies>
+</project>
\ No newline at end of file
diff --git a/v3po/api/src/main/yang/ietf-ip.yang b/l3/api/src/main/yang/ietf-ip.yang
index f6c59edea..f6c59edea 100644
--- a/v3po/api/src/main/yang/ietf-ip.yang
+++ b/l3/api/src/main/yang/ietf-ip.yang
diff --git a/v3po/api/src/main/yang/nd-proxy.yang b/l3/api/src/main/yang/nd-proxy.yang
index ec23d564e..11a6ad2b8 100644
--- a/v3po/api/src/main/yang/nd-proxy.yang
+++ b/l3/api/src/main/yang/nd-proxy.yang
@@ -42,5 +42,4 @@ module nd-proxy {
             }
         }
   }
-  // TODO(HC2VPP-7): move nd-proxy module to interfaces/ip plugin
 }
\ No newline at end of file
diff --git a/v3po/api/src/main/yang/proxy-arp.yang b/l3/api/src/main/yang/proxy-arp.yang
index 9629678e1..3773e99cb 100644
--- a/v3po/api/src/main/yang/proxy-arp.yang
+++ b/l3/api/src/main/yang/proxy-arp.yang
@@ -43,5 +43,4 @@ module proxy-arp {
   }
 
   // TODO(HC2VPP-86): add interfaces-state augmentation once VPP supports ARP proxy read (VPP-225)
-  // TODO(HC2VPP-7): move to interfaces/ip plugin
 }
\ No newline at end of file
diff --git a/l3/asciidoc/Readme.adoc b/l3/asciidoc/Readme.adoc
new file mode 100644
index 000000000..59632edd2
--- /dev/null
+++ b/l3/asciidoc/Readme.adoc
@@ -0,0 +1,3 @@
+= l3-aggregator
+
+Overview of l3-aggregator
\ No newline at end of file
diff --git a/l3/impl/asciidoc/Readme.adoc b/l3/impl/asciidoc/Readme.adoc
new file mode 100644
index 000000000..2ba46bc16
--- /dev/null
+++ b/l3/impl/asciidoc/Readme.adoc
@@ -0,0 +1,3 @@
+= l3-impl
+
+Overview of l3-impl
\ No newline at end of file
diff --git a/v3po/ipv_4_6_rest_collection.json b/l3/impl/l3_postman_collection.json
index 277c0f33d..277c0f33d 100644
--- a/v3po/ipv_4_6_rest_collection.json
+++ b/l3/impl/l3_postman_collection.json
diff --git a/l3/impl/pom.xml b/l3/impl/pom.xml
new file mode 100644
index 000000000..11e7bb97b
--- /dev/null
+++ b/l3/impl/pom.xml
@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (c) 2017 Cisco and/or its affiliates.
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at:
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <groupId>io.fd.hc2vpp.common</groupId>
+        <artifactId>vpp-impl-parent</artifactId>
+        <version>1.17.04-SNAPSHOT</version>
+        <relativePath>../../vpp-common/vpp-impl-parent</relativePath>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>io.fd.hc2vpp.l3</groupId>
+    <artifactId>l3-impl</artifactId>
+    <version>1.17.04-SNAPSHOT</version>
+
+    <dependencies>
+        <dependency>
+            <groupId>io.fd.hc2vpp.l3</groupId>
+            <artifactId>l3-api</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>io.fd.hc2vpp.l3</groupId>
+            <artifactId>l3-utils</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>io.fd.vpp</groupId>
+            <artifactId>jvpp-core</artifactId>
+        </dependency>
+
+        <!-- Test -->
+        <dependency>
+            <groupId>io.fd.hc2vpp.common</groupId>
+            <artifactId>vpp-translate-test</artifactId>
+            <version>${project.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest-all</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.google.inject.extensions</groupId>
+            <artifactId>guice-testlib</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+</project>
\ No newline at end of file
diff --git a/l3/impl/src/main/java/io/fd/hc2vpp/l3/InterfaceL3Module.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/InterfaceL3Module.java
new file mode 100644
index 000000000..f2a440629
--- /dev/null
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/InterfaceL3Module.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.hc2vpp.l3;
+
+import com.google.inject.AbstractModule;
+import com.google.inject.multibindings.Multibinder;
+import io.fd.hc2vpp.l3.read.factory.Ipv4StateReaderFactory;
+import io.fd.hc2vpp.l3.read.factory.Ipv6StateReaderFactory;
+import io.fd.hc2vpp.l3.write.factory.Ipv4WriterFactory;
+import io.fd.hc2vpp.l3.write.factory.Ipv6WriterFactory;
+import io.fd.honeycomb.translate.read.ReaderFactory;
+import io.fd.honeycomb.translate.write.WriterFactory;
+
+public class InterfaceL3Module extends AbstractModule {
+
+    @Override
+    protected void configure() {
+        // Readers
+        final Multibinder<ReaderFactory> readerFactoryBinder = Multibinder.newSetBinder(binder(), ReaderFactory.class);
+        readerFactoryBinder.addBinding().to(Ipv4StateReaderFactory.class);
+        readerFactoryBinder.addBinding().to(Ipv6StateReaderFactory.class);
+
+        // Writers
+        final Multibinder<WriterFactory> writerFactoryBinder = Multibinder.newSetBinder(binder(), WriterFactory.class);
+        writerFactoryBinder.addBinding().to(Ipv4WriterFactory.class);
+        writerFactoryBinder.addBinding().to(Ipv6WriterFactory.class);
+    }
+}
diff --git a/l3/impl/src/main/java/io/fd/hc2vpp/l3/ProxyArpModule.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/ProxyArpModule.java
new file mode 100644
index 000000000..b5d7e3f97
--- /dev/null
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/ProxyArpModule.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.hc2vpp.l3;
+
+import com.google.inject.AbstractModule;
+import com.google.inject.multibindings.Multibinder;
+import io.fd.hc2vpp.l3.write.factory.ProxyArpWriterFactory;
+import io.fd.honeycomb.translate.write.WriterFactory;
+
+public class ProxyArpModule extends AbstractModule {
+
+    @Override
+    protected void configure() {
+        // Writers
+        final Multibinder<WriterFactory> writerFactoryBinder = Multibinder.newSetBinder(binder(), WriterFactory.class);
+        writerFactoryBinder.addBinding().to(ProxyArpWriterFactory.class);
+    }
+}
diff --git a/l3/impl/src/main/java/io/fd/hc2vpp/l3/SubInterfaceL3Module.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/SubInterfaceL3Module.java
new file mode 100644
index 000000000..42a1a2678
--- /dev/null
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/SubInterfaceL3Module.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.hc2vpp.l3;
+
+import com.google.inject.AbstractModule;
+import com.google.inject.multibindings.Multibinder;
+import io.fd.hc2vpp.l3.read.factory.SubInterfaceStateIpv4ReaderFactory;
+import io.fd.hc2vpp.l3.read.factory.SubInterfaceStateIpv6ReaderFactory;
+import io.fd.hc2vpp.l3.write.factory.SubInterfaceIpv4WriterFactory;
+import io.fd.hc2vpp.l3.write.factory.SubInterfaceIpv6WriterFactory;
+import io.fd.honeycomb.translate.read.ReaderFactory;
+import io.fd.honeycomb.translate.write.WriterFactory;
+
+public class SubInterfaceL3Module extends AbstractModule {
+
+    @Override
+    protected void configure() {
+        // Readers
+        final Multibinder<ReaderFactory> readerFactoryBinder = Multibinder.newSetBinder(binder(), ReaderFactory.class);
+        readerFactoryBinder.addBinding().to(SubInterfaceStateIpv4ReaderFactory.class);
+        readerFactoryBinder.addBinding().to(SubInterfaceStateIpv6ReaderFactory.class);
+
+        // Writers
+        final Multibinder<WriterFactory> writerFactoryBinder = Multibinder.newSetBinder(binder(), WriterFactory.class);
+        writerFactoryBinder.addBinding().to(SubInterfaceIpv4WriterFactory.class);
+        writerFactoryBinder.addBinding().to(SubInterfaceIpv6WriterFactory.class);
+    }
+}
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/Ipv4StateReaderFactory.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/factory/Ipv4StateReaderFactory.java
index 159436671..7495baa8f 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/Ipv4StateReaderFactory.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/factory/Ipv4StateReaderFactory.java
@@ -14,17 +14,15 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.factory;
+package io.fd.hc2vpp.l3.read.factory;
 
 
-import static io.fd.hc2vpp.v3po.factory.InterfacesStateReaderFactory.IFC_ID;
-
 import com.google.inject.Inject;
 import com.google.inject.name.Named;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.v4.Ipv4AddressCustomizer;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.v4.Ipv4Customizer;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.v4.Ipv4NeighbourCustomizer;
+import io.fd.hc2vpp.l3.read.ipv4.Ipv4AddressCustomizer;
+import io.fd.hc2vpp.l3.read.ipv4.Ipv4Customizer;
+import io.fd.hc2vpp.l3.read.ipv4.Ipv4NeighbourCustomizer;
 import io.fd.honeycomb.translate.impl.read.GenericInitListReader;
 import io.fd.honeycomb.translate.impl.read.GenericListReader;
 import io.fd.honeycomb.translate.impl.read.GenericReader;
@@ -32,6 +30,8 @@ import io.fd.honeycomb.translate.read.ReaderFactory;
 import io.fd.honeycomb.translate.read.registry.ModifiableReaderRegistryBuilder;
 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.Interface2;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.Interface2Builder;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.Ipv4;
@@ -41,7 +41,10 @@ import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class Ipv4StateReaderFactory implements ReaderFactory {
 
-    private static final InstanceIdentifier<Interface2> IFC_2_ID = IFC_ID.augmentation(Interface2.class);
+    private static final InstanceIdentifier<Interface2> IFC_2_ID =
+            InstanceIdentifier.create(InterfacesState.class)
+                    .child(Interface.class)
+                    .augmentation(Interface2.class);
 
     @Inject
     private FutureJVppCore jvpp;
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/Ipv6StateReaderFactory.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/factory/Ipv6StateReaderFactory.java
index b1533dfae..a737dd2ee 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/Ipv6StateReaderFactory.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/factory/Ipv6StateReaderFactory.java
@@ -14,18 +14,15 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.factory;
-
-
-import static io.fd.hc2vpp.v3po.factory.InterfacesStateReaderFactory.IFC_ID;
+package io.fd.hc2vpp.l3.read.factory;
 
 import com.google.inject.Inject;
 import com.google.inject.name.Named;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.v6.Ipv6AddressCustomizer;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.v6.Ipv6Customizer;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.v6.Ipv6NeighbourCustomizer;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.v6.nd.NdProxyCustomizer;
+import io.fd.hc2vpp.l3.read.ipv6.Ipv6AddressCustomizer;
+import io.fd.hc2vpp.l3.read.ipv6.Ipv6Customizer;
+import io.fd.hc2vpp.l3.read.ipv6.Ipv6NeighbourCustomizer;
+import io.fd.hc2vpp.l3.read.ipv6.nd.NdProxyCustomizer;
 import io.fd.honeycomb.translate.impl.read.GenericInitListReader;
 import io.fd.honeycomb.translate.impl.read.GenericListReader;
 import io.fd.honeycomb.translate.impl.read.GenericReader;
@@ -33,6 +30,8 @@ import io.fd.honeycomb.translate.read.ReaderFactory;
 import io.fd.honeycomb.translate.read.registry.ModifiableReaderRegistryBuilder;
 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.Interface2;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.Ipv6;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv6.Address;
@@ -46,7 +45,9 @@ import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class Ipv6StateReaderFactory implements ReaderFactory {
 
-    private static final InstanceIdentifier<Interface2> IFC_2_ID = IFC_ID.augmentation(Interface2.class);
+    private static final InstanceIdentifier<Interface2> IFC_2_ID = InstanceIdentifier.create(InterfacesState.class)
+            .child(Interface.class)
+            .augmentation(Interface2.class);
 
     @Inject
     private FutureJVppCore jvpp;
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/SubInterfaceStateIpv4ReaderFactory.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/factory/SubInterfaceStateIpv4ReaderFactory.java
index 920006df6..43b7feff2 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/SubInterfaceStateIpv4ReaderFactory.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/factory/SubInterfaceStateIpv4ReaderFactory.java
@@ -14,19 +14,21 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.factory;
+package io.fd.hc2vpp.l3.read.factory;
 
 import com.google.inject.Inject;
 import com.google.inject.name.Named;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.v4.subinterface.SubInterfaceIpv4AddressCustomizer;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.v4.subinterface.SubInterfaceIpv4NeighbourCustomizer;
+import io.fd.hc2vpp.l3.read.ipv4.subinterface.SubInterfaceIpv4AddressCustomizer;
+import io.fd.hc2vpp.l3.read.ipv4.subinterface.SubInterfaceIpv4NeighbourCustomizer;
 import io.fd.honeycomb.translate.impl.read.GenericInitListReader;
 import io.fd.honeycomb.translate.impl.read.GenericListReader;
 import io.fd.honeycomb.translate.read.ReaderFactory;
 import io.fd.honeycomb.translate.read.registry.ModifiableReaderRegistryBuilder;
 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.SubinterfaceStateAugmentation;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces.state._interface.SubInterfaces;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces.state._interface.sub.interfaces.SubInterface;
@@ -39,6 +41,9 @@ import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class SubInterfaceStateIpv4ReaderFactory implements ReaderFactory {
 
+    private static final InstanceIdentifier<Interface> IFC_ID =
+            InstanceIdentifier.create(InterfacesState.class).child(Interface.class);
+
     @Inject
     private FutureJVppCore jvpp;
 
@@ -50,7 +55,7 @@ public class SubInterfaceStateIpv4ReaderFactory implements ReaderFactory {
     public void init(@Nonnull final ModifiableReaderRegistryBuilder registry) {
 
         final InstanceIdentifier<SubInterface> subIfcId =
-                InterfacesStateReaderFactory.IFC_ID.augmentation(SubinterfaceStateAugmentation.class)
+                IFC_ID.augmentation(SubinterfaceStateAugmentation.class)
                         .child(SubInterfaces.class).child(SubInterface.class);
 
         //    Ipv4(Structural)
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/SubInterfaceStateIpv6ReaderFactory.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/factory/SubInterfaceStateIpv6ReaderFactory.java
index fc5283213..2a28acc4d 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/SubInterfaceStateIpv6ReaderFactory.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/factory/SubInterfaceStateIpv6ReaderFactory.java
@@ -14,20 +14,22 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.factory;
+package io.fd.hc2vpp.l3.read.factory;
 
 
 import com.google.inject.Inject;
 import com.google.inject.name.Named;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.v6.subinterface.SubInterfaceIpv6AddressCustomizer;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.v6.subinterface.SubInterfaceIpv6NeighbourCustomizer;
+import io.fd.hc2vpp.l3.read.ipv6.subinterface.SubInterfaceIpv6AddressCustomizer;
+import io.fd.hc2vpp.l3.read.ipv6.subinterface.SubInterfaceIpv6NeighbourCustomizer;
 import io.fd.honeycomb.translate.impl.read.GenericInitListReader;
 import io.fd.honeycomb.translate.impl.read.GenericListReader;
 import io.fd.honeycomb.translate.read.ReaderFactory;
 import io.fd.honeycomb.translate.read.registry.ModifiableReaderRegistryBuilder;
 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.SubinterfaceStateAugmentation;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces.state._interface.SubInterfaces;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces.state._interface.sub.interfaces.SubInterface;
@@ -39,6 +41,9 @@ import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class SubInterfaceStateIpv6ReaderFactory implements ReaderFactory {
 
+    private static final InstanceIdentifier<Interface> IFC_ID =
+            InstanceIdentifier.create(InterfacesState.class).child(Interface.class);
+
     @Inject
     private FutureJVppCore jvpp;
 
@@ -50,7 +55,7 @@ public class SubInterfaceStateIpv6ReaderFactory implements ReaderFactory {
     public void init(@Nonnull final ModifiableReaderRegistryBuilder registry) {
 
         final InstanceIdentifier<SubInterface> subIfcId =
-                InterfacesStateReaderFactory.IFC_ID.augmentation(SubinterfaceStateAugmentation.class)
+                IFC_ID.augmentation(SubinterfaceStateAugmentation.class)
                         .child(SubInterfaces.class).child(SubInterface.class);
 
         //    Ipv6(Structural)
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v4/Ipv4AddressCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv4/Ipv4AddressCustomizer.java
index aeaae5bdf..335f9ed9a 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v4/Ipv4AddressCustomizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv4/Ipv4AddressCustomizer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2017 Cisco and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,14 +14,14 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfacesstate.ip.v4;
+package io.fd.hc2vpp.l3.read.ipv4;
 
 import com.google.common.base.Optional;
 import com.google.common.base.Preconditions;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
+import io.fd.hc2vpp.l3.utils.ip.read.IfaceDumpFilter;
+import io.fd.hc2vpp.l3.utils.ip.read.IpAddressReader;
 import io.fd.hc2vpp.v3po.interfacesstate.InterfaceCustomizer;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.dump.params.IfaceDumpFilter;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.readers.IpAddressReader;
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
 import io.fd.honeycomb.translate.spi.read.Initialized;
@@ -31,6 +31,8 @@ import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager.DumpCacheManag
 import io.fd.vpp.jvpp.core.dto.IpAddressDetails;
 import io.fd.vpp.jvpp.core.dto.IpAddressDetailsReplyDump;
 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import java.util.List;
+import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.Interface1;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.Ipv4;
@@ -46,9 +48,6 @@ import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import javax.annotation.Nonnull;
-import java.util.List;
-
 /**
  * Read customizer for interface Ipv4 addresses.
  */
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v4/Ipv4Customizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv4/Ipv4Customizer.java
index ef8813ae5..28a2aabdb 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v4/Ipv4Customizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv4/Ipv4Customizer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2017 Cisco and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfacesstate.ip.v4;
+package io.fd.hc2vpp.l3.read.ipv4;
 
 import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
 import io.fd.honeycomb.translate.read.ReadContext;
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v4/Ipv4NeighbourCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv4/Ipv4NeighbourCustomizer.java
index c4eb7fd30..993fb75f8 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v4/Ipv4NeighbourCustomizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv4/Ipv4NeighbourCustomizer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2017 Cisco and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,12 +14,15 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfacesstate.ip.v4;
+package io.fd.hc2vpp.l3.read.ipv4;
+
+import static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.NeighborOrigin.Dynamic;
+import static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.NeighborOrigin.Static;
 
 import com.google.common.base.Optional;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.dump.params.IfaceDumpFilter;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.readers.IpNeighbourReader;
+import io.fd.hc2vpp.l3.utils.ip.read.IfaceDumpFilter;
+import io.fd.hc2vpp.l3.utils.ip.read.IpNeighbourReader;
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
 import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
@@ -27,6 +30,9 @@ import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager.DumpCacheManag
 import io.fd.vpp.jvpp.core.dto.IpNeighborDetails;
 import io.fd.vpp.jvpp.core.dto.IpNeighborDetailsReplyDump;
 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import java.util.List;
+import java.util.function.Function;
+import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.Ipv4Builder;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv4.Neighbor;
@@ -36,13 +42,6 @@ import org.opendaylight.yangtools.concepts.Builder;
 import org.opendaylight.yangtools.yang.binding.DataObject;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
-import javax.annotation.Nonnull;
-import java.util.List;
-import java.util.function.Function;
-
-import static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.NeighborOrigin.Dynamic;
-import static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.NeighborOrigin.Static;
-
 /**
  * Operational data read operation customizer for {@link Neighbor}<br>
  * Currently not supported in jvpp, so this is only dummy implementation<br>
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v4/subinterface/SubInterfaceIpv4AddressCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv4/subinterface/SubInterfaceIpv4AddressCustomizer.java
index 55fd6ca3a..770ece6cf 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v4/subinterface/SubInterfaceIpv4AddressCustomizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv4/subinterface/SubInterfaceIpv4AddressCustomizer.java
@@ -14,13 +14,13 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfacesstate.ip.v4.subinterface;
+package io.fd.hc2vpp.l3.read.ipv4.subinterface;
 
 import com.google.common.base.Optional;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
+import io.fd.hc2vpp.l3.utils.ip.read.IfaceDumpFilter;
+import io.fd.hc2vpp.l3.utils.ip.read.IpAddressReader;
 import io.fd.hc2vpp.v3po.interfacesstate.SubInterfaceCustomizer;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.dump.params.IfaceDumpFilter;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.readers.IpAddressReader;
 import io.fd.hc2vpp.v3po.util.SubInterfaceUtils;
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
@@ -31,6 +31,8 @@ import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
 import io.fd.vpp.jvpp.core.dto.IpAddressDetails;
 import io.fd.vpp.jvpp.core.dto.IpAddressDetailsReplyDump;
 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import java.util.List;
+import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces.state._interface.sub.interfaces.SubInterface;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.Ipv4;
@@ -45,9 +47,6 @@ import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import javax.annotation.Nonnull;
-import java.util.List;
-
 /**
  * Read customizer for sub-interface Ipv4 addresses.
  */
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v4/subinterface/SubInterfaceIpv4NeighbourCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv4/subinterface/SubInterfaceIpv4NeighbourCustomizer.java
index aaedabd9f..55a39180c 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v4/subinterface/SubInterfaceIpv4NeighbourCustomizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv4/subinterface/SubInterfaceIpv4NeighbourCustomizer.java
@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfacesstate.ip.v4.subinterface;
+package io.fd.hc2vpp.l3.read.ipv4.subinterface;
 
 import com.google.common.base.Optional;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.dump.params.IfaceDumpFilter;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.readers.IpNeighbourReader;
+import io.fd.hc2vpp.l3.utils.ip.read.IfaceDumpFilter;
+import io.fd.hc2vpp.l3.utils.ip.read.IpNeighbourReader;
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
 import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
@@ -27,6 +27,9 @@ import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager.DumpCacheManag
 import io.fd.vpp.jvpp.core.dto.IpNeighborDetails;
 import io.fd.vpp.jvpp.core.dto.IpNeighborDetailsReplyDump;
 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import java.util.List;
+import java.util.function.Function;
+import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.Ipv4Builder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.ipv4.Neighbor;
@@ -36,10 +39,6 @@ import org.opendaylight.yangtools.concepts.Builder;
 import org.opendaylight.yangtools.yang.binding.DataObject;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
-import javax.annotation.Nonnull;
-import java.util.List;
-import java.util.function.Function;
-
 public class SubInterfaceIpv4NeighbourCustomizer extends IpNeighbourReader
         implements ListReaderCustomizer<Neighbor, NeighborKey, NeighborBuilder> {
 
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/Ipv6AddressCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv6/Ipv6AddressCustomizer.java
index 55ca35250..154ebcc76 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/Ipv6AddressCustomizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv6/Ipv6AddressCustomizer.java
@@ -14,14 +14,14 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfacesstate.ip.v6;
+package io.fd.hc2vpp.l3.read.ipv6;
 
 
 import com.google.common.base.Optional;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
+import io.fd.hc2vpp.l3.utils.ip.read.IfaceDumpFilter;
+import io.fd.hc2vpp.l3.utils.ip.read.IpAddressReader;
 import io.fd.hc2vpp.v3po.interfacesstate.InterfaceCustomizer;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.dump.params.IfaceDumpFilter;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.readers.IpAddressReader;
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
 import io.fd.honeycomb.translate.spi.read.Initialized;
@@ -31,6 +31,8 @@ import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager.DumpCacheManag
 import io.fd.vpp.jvpp.core.dto.IpAddressDetails;
 import io.fd.vpp.jvpp.core.dto.IpAddressDetailsReplyDump;
 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import java.util.List;
+import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.Interface1;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.Ipv6;
@@ -44,9 +46,6 @@ import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import javax.annotation.Nonnull;
-import java.util.List;
-
 public class Ipv6AddressCustomizer extends IpAddressReader
         implements InitializingListReaderCustomizer<Address, AddressKey, AddressBuilder> {
 
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/Ipv6Customizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv6/Ipv6Customizer.java
index 8f12619fd..5e0730b38 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/Ipv6Customizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv6/Ipv6Customizer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2017 Cisco and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfacesstate.ip.v6;
+package io.fd.hc2vpp.l3.read.ipv6;
 
 import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
 import io.fd.honeycomb.translate.read.ReadContext;
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/Ipv6NeighbourCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv6/Ipv6NeighbourCustomizer.java
index de1b0ab5e..1b277b4a8 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/Ipv6NeighbourCustomizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv6/Ipv6NeighbourCustomizer.java
@@ -14,13 +14,16 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfacesstate.ip.v6;
+package io.fd.hc2vpp.l3.read.ipv6;
 
 
+import static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.NeighborOrigin.Dynamic;
+import static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.NeighborOrigin.Static;
+
 import com.google.common.base.Optional;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.dump.params.IfaceDumpFilter;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.readers.IpNeighbourReader;
+import io.fd.hc2vpp.l3.utils.ip.read.IfaceDumpFilter;
+import io.fd.hc2vpp.l3.utils.ip.read.IpNeighbourReader;
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
 import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
@@ -28,6 +31,9 @@ import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
 import io.fd.vpp.jvpp.core.dto.IpNeighborDetails;
 import io.fd.vpp.jvpp.core.dto.IpNeighborDetailsReplyDump;
 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import java.util.List;
+import java.util.function.Function;
+import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6AddressNoZone;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.Ipv6Builder;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv6.Neighbor;
@@ -37,13 +43,6 @@ import org.opendaylight.yangtools.concepts.Builder;
 import org.opendaylight.yangtools.yang.binding.DataObject;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
-import javax.annotation.Nonnull;
-import java.util.List;
-import java.util.function.Function;
-
-import static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.NeighborOrigin.Dynamic;
-import static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.NeighborOrigin.Static;
-
 public class Ipv6NeighbourCustomizer extends IpNeighbourReader
         implements ListReaderCustomizer<Neighbor, NeighborKey, NeighborBuilder> {
 
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/nd/NdProxyCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv6/nd/NdProxyCustomizer.java
index 7ffde1dd4..5c5dbc4b8 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/nd/NdProxyCustomizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv6/nd/NdProxyCustomizer.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfacesstate.ip.v6.nd;
+package io.fd.hc2vpp.l3.read.ipv6.nd;
 
 import static com.google.common.base.Preconditions.checkNotNull;
 import static io.fd.honeycomb.translate.util.read.cache.EntityDumpExecutor.NO_PARAMS;
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/subinterface/SubInterfaceIpv6AddressCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv6/subinterface/SubInterfaceIpv6AddressCustomizer.java
index 1e4b62c87..9230926ef 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/subinterface/SubInterfaceIpv6AddressCustomizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv6/subinterface/SubInterfaceIpv6AddressCustomizer.java
@@ -14,14 +14,14 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfacesstate.ip.v6.subinterface;
+package io.fd.hc2vpp.l3.read.ipv6.subinterface;
 
 
 import com.google.common.base.Optional;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
+import io.fd.hc2vpp.l3.utils.ip.read.IfaceDumpFilter;
+import io.fd.hc2vpp.l3.utils.ip.read.IpAddressReader;
 import io.fd.hc2vpp.v3po.interfacesstate.SubInterfaceCustomizer;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.dump.params.IfaceDumpFilter;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.readers.IpAddressReader;
 import io.fd.hc2vpp.v3po.util.SubInterfaceUtils;
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
@@ -32,6 +32,8 @@ import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
 import io.fd.vpp.jvpp.core.dto.IpAddressDetails;
 import io.fd.vpp.jvpp.core.dto.IpAddressDetailsReplyDump;
 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import java.util.List;
+import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces.state._interface.sub.interfaces.SubInterface;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip6.attributes.Ipv6;
@@ -45,9 +47,6 @@ import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import javax.annotation.Nonnull;
-import java.util.List;
-
 public class SubInterfaceIpv6AddressCustomizer extends IpAddressReader
         implements InitializingListReaderCustomizer<Address, AddressKey, AddressBuilder> {
 
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/subinterface/SubInterfaceIpv6NeighbourCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv6/subinterface/SubInterfaceIpv6NeighbourCustomizer.java
index a1b50680d..c22d1661b 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/subinterface/SubInterfaceIpv6NeighbourCustomizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/read/ipv6/subinterface/SubInterfaceIpv6NeighbourCustomizer.java
@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfacesstate.ip.v6.subinterface;
+package io.fd.hc2vpp.l3.read.ipv6.subinterface;
 
 import com.google.common.base.Optional;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.dump.params.IfaceDumpFilter;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.readers.IpNeighbourReader;
+import io.fd.hc2vpp.l3.utils.ip.read.IfaceDumpFilter;
+import io.fd.hc2vpp.l3.utils.ip.read.IpNeighbourReader;
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
 import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
@@ -27,6 +27,9 @@ import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager.DumpCacheManag
 import io.fd.vpp.jvpp.core.dto.IpNeighborDetails;
 import io.fd.vpp.jvpp.core.dto.IpNeighborDetailsReplyDump;
 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import java.util.List;
+import java.util.function.Function;
+import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6AddressNoZone;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip6.attributes.Ipv6Builder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip6.attributes.ipv6.Neighbor;
@@ -36,10 +39,6 @@ import org.opendaylight.yangtools.concepts.Builder;
 import org.opendaylight.yangtools.yang.binding.DataObject;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
-import javax.annotation.Nonnull;
-import java.util.List;
-import java.util.function.Function;
-
 public class SubInterfaceIpv6NeighbourCustomizer extends IpNeighbourReader
         implements ListReaderCustomizer<Neighbor, NeighborKey, NeighborBuilder> {
 
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/Ipv4WriterFactory.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/factory/Ipv4WriterFactory.java
index 5a2ac5a29..cc784bb9e 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/Ipv4WriterFactory.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/factory/Ipv4WriterFactory.java
@@ -14,16 +14,16 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.factory;
+package io.fd.hc2vpp.l3.write.factory;
 
 import static io.fd.hc2vpp.v3po.factory.InterfacesWriterFactory.IFC_ID;
 
 import com.google.inject.Inject;
 import com.google.inject.name.Named;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfaces.ip.v4.Ipv4AddressCustomizer;
-import io.fd.hc2vpp.v3po.interfaces.ip.v4.Ipv4Customizer;
-import io.fd.hc2vpp.v3po.interfaces.ip.v4.Ipv4NeighbourCustomizer;
+import io.fd.hc2vpp.l3.write.ipv4.Ipv4AddressCustomizer;
+import io.fd.hc2vpp.l3.write.ipv4.Ipv4Customizer;
+import io.fd.hc2vpp.l3.write.ipv4.Ipv4NeighbourCustomizer;
 import io.fd.honeycomb.translate.impl.write.GenericListWriter;
 import io.fd.honeycomb.translate.impl.write.GenericWriter;
 import io.fd.honeycomb.translate.write.WriterFactory;
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/Ipv6WriterFactory.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/factory/Ipv6WriterFactory.java
index 9fbd6b9ba..d9bee8177 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/Ipv6WriterFactory.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/factory/Ipv6WriterFactory.java
@@ -14,23 +14,25 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.factory;
+package io.fd.hc2vpp.l3.write.factory;
 
 import static io.fd.hc2vpp.v3po.factory.InterfacesWriterFactory.IFC_ID;
 
 import com.google.inject.Inject;
 import com.google.inject.name.Named;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfaces.ip.v6.Ipv6AddressCustomizer;
-import io.fd.hc2vpp.v3po.interfaces.ip.v6.Ipv6Customizer;
-import io.fd.hc2vpp.v3po.interfaces.ip.v6.Ipv6NeighbourCustomizer;
-import io.fd.hc2vpp.v3po.interfaces.ip.v6.nd.NdProxyCustomizer;
+import io.fd.hc2vpp.l3.write.ipv6.Ipv6AddressCustomizer;
+import io.fd.hc2vpp.l3.write.ipv6.Ipv6Customizer;
+import io.fd.hc2vpp.l3.write.ipv6.Ipv6NeighbourCustomizer;
+import io.fd.hc2vpp.l3.write.ipv6.nd.NdProxyCustomizer;
 import io.fd.honeycomb.translate.impl.write.GenericListWriter;
 import io.fd.honeycomb.translate.impl.write.GenericWriter;
 import io.fd.honeycomb.translate.write.WriterFactory;
 import io.fd.honeycomb.translate.write.registry.ModifiableWriterRegistryBuilder;
 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.Interface1;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.Ipv6;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv6.Address;
@@ -40,9 +42,6 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nd.p
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nd.proxy.rev170315.interfaces._interface.ipv6.nd.proxies.NdProxy;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
-/**
- * Created by jsrnicek on 3.1.2017.
- */
 public class Ipv6WriterFactory implements WriterFactory {
 
     @Inject
@@ -55,7 +54,8 @@ public class Ipv6WriterFactory implements WriterFactory {
     @Override
     public void init(@Nonnull final ModifiableWriterRegistryBuilder registry) {
 
-        final InstanceIdentifier<Interface1> ifc1AugId = IFC_ID.augmentation(Interface1.class);
+        final InstanceIdentifier<Interface1> ifc1AugId = InstanceIdentifier.create(Interfaces.class)
+                .child(Interface.class).augmentation(Interface1.class);
 
         // Ipv6(after interface) =
         final InstanceIdentifier<Ipv6> ipv6Id = ifc1AugId.child(Ipv6.class);
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/ProxyArpWriterFactory.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/factory/ProxyArpWriterFactory.java
index 489a3b5b9..14999f873 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/ProxyArpWriterFactory.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/factory/ProxyArpWriterFactory.java
@@ -14,14 +14,14 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.factory;
+package io.fd.hc2vpp.l3.write.factory;
 
 import com.google.common.collect.Sets;
 import com.google.inject.Inject;
 import com.google.inject.name.Named;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfaces.ip.v4.ProxyArpCustomizer;
-import io.fd.hc2vpp.v3po.interfaces.ip.v4.ProxyRangeCustomizer;
+import io.fd.hc2vpp.l3.write.ipv4.ProxyArpCustomizer;
+import io.fd.hc2vpp.l3.write.ipv4.ProxyRangeCustomizer;
 import io.fd.honeycomb.translate.impl.write.GenericListWriter;
 import io.fd.honeycomb.translate.impl.write.GenericWriter;
 import io.fd.honeycomb.translate.write.WriterFactory;
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/SubInterfaceIpv4WriterFactory.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/factory/SubInterfaceIpv4WriterFactory.java
index 208866c16..85bf75876 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/SubInterfaceIpv4WriterFactory.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/factory/SubInterfaceIpv4WriterFactory.java
@@ -13,7 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package io.fd.hc2vpp.v3po.factory;
+
+package io.fd.hc2vpp.l3.write.factory;
 
 
 import static io.fd.hc2vpp.v3po.factory.SubinterfaceAugmentationWriterFactory.L2_ID;
@@ -22,8 +23,8 @@ import static io.fd.hc2vpp.v3po.factory.SubinterfaceAugmentationWriterFactory.SU
 import com.google.inject.Inject;
 import com.google.inject.name.Named;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfaces.ip.v4.subinterface.SubInterfaceIpv4AddressCustomizer;
-import io.fd.hc2vpp.v3po.interfaces.ip.v4.subinterface.SubInterfaceIpv4NeighbourCustomizer;
+import io.fd.hc2vpp.l3.write.ipv4.subinterface.SubInterfaceIpv4AddressCustomizer;
+import io.fd.hc2vpp.l3.write.ipv4.subinterface.SubInterfaceIpv4NeighbourCustomizer;
 import io.fd.honeycomb.translate.impl.write.GenericListWriter;
 import io.fd.honeycomb.translate.write.WriterFactory;
 import io.fd.honeycomb.translate.write.registry.ModifiableWriterRegistryBuilder;
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/SubInterfaceIpv6WriterFactory.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/factory/SubInterfaceIpv6WriterFactory.java
index 600a991fb..f85e85423 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/SubInterfaceIpv6WriterFactory.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/factory/SubInterfaceIpv6WriterFactory.java
@@ -13,7 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package io.fd.hc2vpp.v3po.factory;
+
+package io.fd.hc2vpp.l3.write.factory;
 
 
 import static io.fd.hc2vpp.v3po.factory.SubinterfaceAugmentationWriterFactory.L2_ID;
@@ -22,8 +23,8 @@ import static io.fd.hc2vpp.v3po.factory.SubinterfaceAugmentationWriterFactory.SU
 import com.google.inject.Inject;
 import com.google.inject.name.Named;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfaces.ip.v6.subinterface.SubInterfaceIpv6AddressCustomizer;
-import io.fd.hc2vpp.v3po.interfaces.ip.v6.subinterface.SubInterfaceIpv6NeighbourCustomizer;
+import io.fd.hc2vpp.l3.write.ipv6.subinterface.SubInterfaceIpv6AddressCustomizer;
+import io.fd.hc2vpp.l3.write.ipv6.subinterface.SubInterfaceIpv6NeighbourCustomizer;
 import io.fd.honeycomb.translate.impl.write.GenericListWriter;
 import io.fd.honeycomb.translate.write.WriterFactory;
 import io.fd.honeycomb.translate.write.registry.ModifiableWriterRegistryBuilder;
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/Ipv4AddressCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/Ipv4AddressCustomizer.java
index d6cc6a00f..1cdd46ef6 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/Ipv4AddressCustomizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/Ipv4AddressCustomizer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2017 Cisco and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,23 +14,19 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfaces.ip.v4;
+package io.fd.hc2vpp.l3.write.ipv4;
 
 import static com.google.common.base.Preconditions.checkNotNull;
 
-import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Optional;
 import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfaces.ip.IpWriter;
+import io.fd.hc2vpp.l3.utils.ip.write.IpWriter;
 import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
-import io.fd.honeycomb.translate.util.RWUtils;
 import io.fd.honeycomb.translate.write.WriteContext;
 import io.fd.honeycomb.translate.write.WriteFailedException;
 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.Ipv4;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.Address;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.AddressKey;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.address.Subnet;
@@ -94,7 +90,7 @@ public class Ipv4AddressCustomizer extends FutureJVppCustomizer
         } else if (subnet instanceof Netmask) {
             setNetmaskSubnet(add, id, interfaceName, interfaceIndex, address, (Netmask) subnet);
         } else {
-            LOG.error("Unable to handle subnet of type {}", subnet.getClass());
+            LOG.error("Unable to handle subnet of type {}", subnet);
             throw new WriteFailedException(id, "Unable to handle subnet of type " + subnet.getClass());
         }
     }
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/Ipv4Customizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/Ipv4Customizer.java
index 15afda271..e1fdb5914 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/Ipv4Customizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/Ipv4Customizer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2017 Cisco and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfaces.ip.v4;
+package io.fd.hc2vpp.l3.write.ipv4;
 
 import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
 import io.fd.honeycomb.translate.spi.write.WriterCustomizer;
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/Ipv4NeighbourCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/Ipv4NeighbourCustomizer.java
index b758a7c14..af77fedaf 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/Ipv4NeighbourCustomizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/Ipv4NeighbourCustomizer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2017 Cisco and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,14 +14,14 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfaces.ip.v4;
+package io.fd.hc2vpp.l3.write.ipv4;
 
 import io.fd.hc2vpp.common.translate.util.AddressTranslator;
 import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
 import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
 import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfaces.ip.IpWriter;
+import io.fd.hc2vpp.l3.utils.ip.write.IpWriter;
 import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
 import io.fd.honeycomb.translate.write.WriteContext;
 import io.fd.honeycomb.translate.write.WriteFailedException;
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/ProxyArpCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/ProxyArpCustomizer.java
index a39b9852f..ea1cf8d83 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/ProxyArpCustomizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/ProxyArpCustomizer.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfaces.ip.v4;
+package io.fd.hc2vpp.l3.write.ipv4;
 
 import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
 import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/ProxyRangeCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/ProxyRangeCustomizer.java
index b46289fb4..345cef736 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/ProxyRangeCustomizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/ProxyRangeCustomizer.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfaces.ip.v4;
+package io.fd.hc2vpp.l3.write.ipv4;
 
 import com.google.common.net.InetAddresses;
 import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/subinterface/SubInterfaceIpv4AddressCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/subinterface/SubInterfaceIpv4AddressCustomizer.java
index f6b8ead69..bd76fb792 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/subinterface/SubInterfaceIpv4AddressCustomizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/subinterface/SubInterfaceIpv4AddressCustomizer.java
@@ -14,13 +14,13 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfaces.ip.v4.subinterface;
+package io.fd.hc2vpp.l3.write.ipv4.subinterface;
 
 import static com.google.common.base.Preconditions.checkNotNull;
 
 import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfaces.ip.IpWriter;
+import io.fd.hc2vpp.l3.utils.ip.write.IpWriter;
 import io.fd.hc2vpp.v3po.util.SubInterfaceUtils;
 import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
 import io.fd.honeycomb.translate.write.WriteContext;
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/subinterface/SubInterfaceIpv4NeighbourCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/subinterface/SubInterfaceIpv4NeighbourCustomizer.java
index d7f6f327a..9564cfd19 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/subinterface/SubInterfaceIpv4NeighbourCustomizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/subinterface/SubInterfaceIpv4NeighbourCustomizer.java
@@ -14,14 +14,14 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfaces.ip.v4.subinterface;
+package io.fd.hc2vpp.l3.write.ipv4.subinterface;
 
 import io.fd.hc2vpp.common.translate.util.AddressTranslator;
 import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
 import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
 import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfaces.ip.IpWriter;
+import io.fd.hc2vpp.l3.utils.ip.write.IpWriter;
 import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
 import io.fd.honeycomb.translate.write.WriteContext;
 import io.fd.honeycomb.translate.write.WriteFailedException;
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v6/Ipv6AddressCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv6/Ipv6AddressCustomizer.java
index 6984c8df6..d6b357c90 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v6/Ipv6AddressCustomizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv6/Ipv6AddressCustomizer.java
@@ -14,13 +14,13 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfaces.ip.v6;
+package io.fd.hc2vpp.l3.write.ipv6;
 
 import static com.google.common.base.Preconditions.checkNotNull;
 
 import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfaces.ip.IpWriter;
+import io.fd.hc2vpp.l3.utils.ip.write.IpWriter;
 import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
 import io.fd.honeycomb.translate.write.WriteContext;
 import io.fd.honeycomb.translate.write.WriteFailedException;
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v6/Ipv6Customizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv6/Ipv6Customizer.java
index 003af53ab..6194dfd4f 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v6/Ipv6Customizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv6/Ipv6Customizer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2017 Cisco and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfaces.ip.v6;
+package io.fd.hc2vpp.l3.write.ipv6;
 
 import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
 import io.fd.honeycomb.translate.spi.write.WriterCustomizer;
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v6/Ipv6NeighbourCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv6/Ipv6NeighbourCustomizer.java
index 2d94e653b..2a9ef03d6 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v6/Ipv6NeighbourCustomizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv6/Ipv6NeighbourCustomizer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2017 Cisco and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfaces.ip.v6;
+package io.fd.hc2vpp.l3.write.ipv6;
 
 import static com.google.common.base.Preconditions.checkArgument;
 import static com.google.common.base.Preconditions.checkNotNull;
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v6/nd/NdProxyCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv6/nd/NdProxyCustomizer.java
index ed3d82ca9..5a57d96d4 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v6/nd/NdProxyCustomizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv6/nd/NdProxyCustomizer.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfaces.ip.v6.nd;
+package io.fd.hc2vpp.l3.write.ipv6.nd;
 
 import static com.google.common.base.Preconditions.checkNotNull;
 
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v6/subinterface/SubInterfaceIpv6AddressCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv6/subinterface/SubInterfaceIpv6AddressCustomizer.java
index 8348c8a25..5562eeeb6 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v6/subinterface/SubInterfaceIpv6AddressCustomizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv6/subinterface/SubInterfaceIpv6AddressCustomizer.java
@@ -14,14 +14,14 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfaces.ip.v6.subinterface;
+package io.fd.hc2vpp.l3.write.ipv6.subinterface;
 
 
 import static com.google.common.base.Preconditions.checkNotNull;
 
 import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfaces.ip.IpWriter;
+import io.fd.hc2vpp.l3.utils.ip.write.IpWriter;
 import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
 import io.fd.honeycomb.translate.write.WriteContext;
 import io.fd.honeycomb.translate.write.WriteFailedException;
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v6/subinterface/SubInterfaceIpv6NeighbourCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv6/subinterface/SubInterfaceIpv6NeighbourCustomizer.java
index 00a0832a3..002e14116 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v6/subinterface/SubInterfaceIpv6NeighbourCustomizer.java
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv6/subinterface/SubInterfaceIpv6NeighbourCustomizer.java
@@ -14,14 +14,14 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfaces.ip.v6.subinterface;
+package io.fd.hc2vpp.l3.write.ipv6.subinterface;
 
 import io.fd.hc2vpp.common.translate.util.AddressTranslator;
 import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
 import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
 import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfaces.ip.IpWriter;
+import io.fd.hc2vpp.l3.utils.ip.write.IpWriter;
 import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
 import io.fd.honeycomb.translate.write.WriteContext;
 import io.fd.honeycomb.translate.write.WriteFailedException;
diff --git a/l3/impl/src/test/java/L3ModulesTest.java b/l3/impl/src/test/java/L3ModulesTest.java
new file mode 100644
index 000000000..7a8804027
--- /dev/null
+++ b/l3/impl/src/test/java/L3ModulesTest.java
@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.CoreMatchers.not;
+import static org.hamcrest.Matchers.empty;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertThat;
+import static org.mockito.Mockito.mock;
+import static org.mockito.MockitoAnnotations.initMocks;
+
+import com.google.inject.Guice;
+import com.google.inject.Inject;
+import com.google.inject.multibindings.Multibinder;
+import com.google.inject.name.Named;
+import com.google.inject.testing.fieldbinder.Bind;
+import com.google.inject.testing.fieldbinder.BoundFieldModule;
+import io.fd.hc2vpp.common.translate.util.NamingContext;
+import io.fd.hc2vpp.l3.InterfaceL3Module;
+import io.fd.hc2vpp.l3.ProxyArpModule;
+import io.fd.hc2vpp.l3.SubInterfaceL3Module;
+import io.fd.honeycomb.translate.impl.read.GenericListReader;
+import io.fd.honeycomb.translate.impl.read.registry.CompositeReaderRegistryBuilder;
+import io.fd.honeycomb.translate.impl.write.registry.FlatWriterRegistryBuilder;
+import io.fd.honeycomb.translate.read.ReaderFactory;
+import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
+import io.fd.honeycomb.translate.write.WriterFactory;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import java.util.HashSet;
+import java.util.Set;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesStateBuilder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+public class L3ModulesTest {
+
+    @Bind
+    @Mock
+    private FutureJVppCore api;
+
+    @Inject
+    private Set<ReaderFactory> readerFactories = new HashSet<>();
+
+    @Inject
+    private Set<WriterFactory> writerFactories = new HashSet<>();
+
+    @Bind
+    @Named("interface-context")
+    private NamingContext interfaceContext;
+
+    @Before
+    public void setUp() {
+        initMocks(this);
+        interfaceContext = new NamingContext("iface", "iface-context");
+        // InterfaceL3Module adds readers under InterfacesState
+        // because readers for parents need to be present (are part of V3poModule)
+        // add structural readers here (better than maven dependency).
+        Guice.createInjector(binder -> Multibinder.newSetBinder(binder, ReaderFactory.class)
+                        .addBinding().toInstance(registry -> {
+                            registry.addStructuralReader(InstanceIdentifier.create(InterfacesState.class),
+                                    InterfacesStateBuilder.class);
+                            registry.add(new GenericListReader<>(InstanceIdentifier.create(InterfacesState.class)
+                                    .child(Interface.class),
+                                    mock(ListReaderCustomizer.class)));
+                        }), new InterfaceL3Module(),
+                new SubInterfaceL3Module(),
+                new ProxyArpModule(),
+                BoundFieldModule.of(this)).injectMembers(this);
+    }
+
+    @Test
+    public void testReaderFactories() throws Exception {
+        assertThat(readerFactories, is(not(empty())));
+
+        // Test registration process (all dependencies present, topological order of readers does exist, etc.)
+        final CompositeReaderRegistryBuilder registryBuilder = new CompositeReaderRegistryBuilder();
+        readerFactories.stream().forEach(factory -> factory.init(registryBuilder));
+        assertNotNull(registryBuilder.build());
+    }
+
+    @Test
+    public void testWriterFactories() throws Exception {
+        assertThat(writerFactories, is(not(empty())));
+
+        // Test registration process (all dependencies present, topological order of writers does exist, etc.)
+        final FlatWriterRegistryBuilder registryBuilder = new FlatWriterRegistryBuilder();
+        writerFactories.stream().forEach(factory -> factory.init(registryBuilder));
+        assertNotNull(registryBuilder.build());
+    }
+}
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/InterfaceChildNodeTest.java b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/InterfaceChildNodeTest.java
index 4e323e45d..48a1b7327 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/InterfaceChildNodeTest.java
+++ b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/InterfaceChildNodeTest.java
@@ -13,26 +13,31 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package io.fd.hc2vpp.v3po.interfacesstate.ip;
+
+package io.fd.hc2vpp.l3.read;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.hasSize;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.when;
 
 import io.fd.hc2vpp.common.test.util.FutureProducer;
 import io.fd.hc2vpp.common.test.util.NamingContextHelper;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.vpp.jvpp.core.dto.*;
+import io.fd.vpp.jvpp.core.dto.IpAddressDetails;
+import io.fd.vpp.jvpp.core.dto.IpAddressDetailsReplyDump;
+import io.fd.vpp.jvpp.core.dto.IpAddressDump;
+import io.fd.vpp.jvpp.core.dto.IpNeighborDetails;
+import io.fd.vpp.jvpp.core.dto.IpNeighborDetailsReplyDump;
+import io.fd.vpp.jvpp.core.dto.IpNeighborDump;
 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import java.util.Arrays;
+import java.util.List;
+import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6AddressNoZone;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
 
-import javax.annotation.Nonnull;
-import java.util.Arrays;
-import java.util.List;
-
-import static org.hamcrest.MatcherAssert.assertThat;
-import static org.hamcrest.Matchers.hasSize;
-import static org.junit.Assert.assertTrue;
-import static org.mockito.Mockito.when;
-
 public interface InterfaceChildNodeTest extends NamingContextHelper, FutureProducer {
 
     String INTERFACE_CONTEXT_NAME = "iface-context";
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v4/Ipv4AddressCustomizerTest.java b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/ipv4/Ipv4AddressCustomizerTest.java
index 58077d6e9..d7bd6325b 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v4/Ipv4AddressCustomizerTest.java
+++ b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/ipv4/Ipv4AddressCustomizerTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2017 Cisco and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,24 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfacesstate.ip.v4;
+package io.fd.hc2vpp.l3.read.ipv4;
 
 
+import static org.hamcrest.Matchers.empty;
+import static org.hamcrest.Matchers.hasItem;
+import static org.hamcrest.Matchers.hasSize;
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.when;
+
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 import io.fd.hc2vpp.common.test.read.ListReaderCustomizerTest;
 import io.fd.hc2vpp.common.translate.util.Ipv4Translator;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.InterfaceChildNodeTest;
+import io.fd.hc2vpp.l3.read.InterfaceChildNodeTest;
 import io.fd.honeycomb.translate.read.ReadFailedException;
 import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
 import io.fd.honeycomb.translate.util.read.cache.CacheKeyFactory;
@@ -30,7 +39,10 @@ import io.fd.honeycomb.translate.util.read.cache.TypeAwareIdentifierCacheKeyFact
 import io.fd.vpp.jvpp.core.dto.IpAddressDetails;
 import io.fd.vpp.jvpp.core.dto.IpAddressDetailsReplyDump;
 import io.fd.vpp.jvpp.core.dto.IpAddressDump;
-import org.hamcrest.Matchers;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+import java.util.stream.Collectors;
 import org.junit.Test;
 import org.mockito.Mockito;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
@@ -47,15 +59,6 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev14061
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv4.address.subnet.PrefixLength;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
-import java.util.Arrays;
-import java.util.List;
-import java.util.concurrent.CompletableFuture;
-import java.util.stream.Collectors;
-
-import static org.hamcrest.Matchers.*;
-import static org.junit.Assert.*;
-import static org.mockito.Mockito.when;
-
 public class Ipv4AddressCustomizerTest extends ListReaderCustomizerTest<Address, AddressKey, AddressBuilder> implements
         Ipv4Translator,InterfaceChildNodeTest {
 
@@ -141,10 +144,10 @@ public class Ipv4AddressCustomizerTest extends ListReaderCustomizerTest<Address,
 
         final List<AddressKey> ifc1Ids = getCustomizer().getAllIds(id, ctx);
         assertThat(ifc1Ids.size(), is(1));
-        assertThat(ifc1Ids, Matchers.hasItem(new AddressKey(new Ipv4AddressNoZone("192.168.2.1"))));
+        assertThat(ifc1Ids, hasItem(new AddressKey(new Ipv4AddressNoZone("192.168.2.1"))));
         final List<AddressKey> ifc2Ids = getCustomizer().getAllIds(id2, ctx);
         assertThat(ifc2Ids.size(), is(1));
-        assertThat(ifc2Ids, Matchers.hasItem(new AddressKey(new Ipv4AddressNoZone("192.168.2.2"))));
+        assertThat(ifc2Ids, hasItem(new AddressKey(new Ipv4AddressNoZone("192.168.2.2"))));
 
         AddressBuilder builder = new AddressBuilder();
         getCustomizer().readCurrentAttributes(id, builder, ctx);
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v4/Ipv4CustomizerTest.java b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/ipv4/Ipv4CustomizerTest.java
index da2213027..b6bb81b77 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v4/Ipv4CustomizerTest.java
+++ b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/ipv4/Ipv4CustomizerTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2017 Cisco and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,9 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfacesstate.ip.v4;
+package io.fd.hc2vpp.l3.read.ipv4;
+
+import static org.mockito.Mockito.verifyZeroInteractions;
 
 import io.fd.hc2vpp.common.test.read.ReaderCustomizerTest;
 import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
@@ -23,8 +25,6 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev14061
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.Ipv4;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.Ipv4Builder;
 
-import static org.mockito.Mockito.verifyZeroInteractions;
-
 public class Ipv4CustomizerTest extends ReaderCustomizerTest<Ipv4, Ipv4Builder> {
 
     public Ipv4CustomizerTest() {
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v4/Ipv4NeighbourCustomizerTest.java b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/ipv4/Ipv4NeighbourCustomizerTest.java
index d540dfa3b..ceea51f71 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v4/Ipv4NeighbourCustomizerTest.java
+++ b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/ipv4/Ipv4NeighbourCustomizerTest.java
@@ -13,12 +13,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package io.fd.hc2vpp.v3po.interfacesstate.ip.v4;
+
+package io.fd.hc2vpp.l3.read.ipv4;
+
+import static org.junit.Assert.assertEquals;
 
 import io.fd.hc2vpp.common.test.read.ListReaderCustomizerTest;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.InterfaceChildNodeTest;
+import io.fd.hc2vpp.l3.read.InterfaceChildNodeTest;
 import io.fd.honeycomb.translate.read.ReadFailedException;
 import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import java.util.Arrays;
 import org.junit.Test;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
@@ -31,10 +35,6 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev14061
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv4.NeighborKey;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
-import java.util.Arrays;
-
-import static org.junit.Assert.assertEquals;
-
 public class Ipv4NeighbourCustomizerTest extends ListReaderCustomizerTest<Neighbor, NeighborKey, NeighborBuilder>
         implements InterfaceChildNodeTest {
 
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v4/subinterface/SubInterfaceIpv4AddressCustomizerTest.java b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/ipv4/SubInterfaceIpv4AddressCustomizerTest.java
index 736ff0031..efe6071e6 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v4/subinterface/SubInterfaceIpv4AddressCustomizerTest.java
+++ b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/ipv4/SubInterfaceIpv4AddressCustomizerTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2017 Cisco and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,18 +14,33 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfacesstate.ip.v4.subinterface;
+package io.fd.hc2vpp.l3.read.ipv4;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.containsInAnyOrder;
+import static org.hamcrest.Matchers.empty;
+import static org.hamcrest.Matchers.hasSize;
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Matchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
 
 import com.google.common.collect.ImmutableSet;
 import io.fd.hc2vpp.common.test.read.ListReaderCustomizerTest;
 import io.fd.hc2vpp.common.translate.util.Ipv4Translator;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
+import io.fd.hc2vpp.l3.read.ipv4.subinterface.SubInterfaceIpv4AddressCustomizer;
 import io.fd.honeycomb.translate.read.ReadFailedException;
 import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
 import io.fd.honeycomb.translate.util.read.cache.CacheKeyFactory;
 import io.fd.honeycomb.translate.util.read.cache.TypeAwareIdentifierCacheKeyFactory;
 import io.fd.vpp.jvpp.core.dto.IpAddressDetails;
 import io.fd.vpp.jvpp.core.dto.IpAddressDetailsReplyDump;
+import java.util.Arrays;
+import java.util.List;
 import org.junit.Assert;
 import org.junit.Test;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
@@ -46,16 +61,6 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.ipv4.address.subnet.PrefixLengthBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
-import java.util.Arrays;
-import java.util.List;
-
-import static org.hamcrest.MatcherAssert.assertThat;
-import static org.hamcrest.Matchers.*;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
-import static org.mockito.Matchers.any;
-import static org.mockito.Mockito.*;
-
 public class SubInterfaceIpv4AddressCustomizerTest extends ListReaderCustomizerTest<Address, AddressKey, AddressBuilder>
         implements Ipv4Translator {
 
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v4/subinterface/SubInterfaceIpv4NeighbourCustomizerTest.java b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/ipv4/SubInterfaceIpv4NeighbourCustomizerTest.java
index 02fe52457..f865f98cb 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v4/subinterface/SubInterfaceIpv4NeighbourCustomizerTest.java
+++ b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/ipv4/SubInterfaceIpv4NeighbourCustomizerTest.java
@@ -13,12 +13,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package io.fd.hc2vpp.v3po.interfacesstate.ip.v4.subinterface;
+
+package io.fd.hc2vpp.l3.read.ipv4;
+
+import static org.junit.Assert.assertEquals;
 
 import io.fd.hc2vpp.common.test.read.ListReaderCustomizerTest;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.InterfaceChildNodeTest;
+import io.fd.hc2vpp.l3.read.InterfaceChildNodeTest;
+import io.fd.hc2vpp.l3.read.ipv4.subinterface.SubInterfaceIpv4NeighbourCustomizer;
 import io.fd.honeycomb.translate.read.ReadFailedException;
 import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import java.util.Arrays;
 import org.junit.Test;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
@@ -34,10 +39,6 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.ipv4.NeighborKey;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
-import java.util.Arrays;
-
-import static org.junit.Assert.assertEquals;
-
 public class SubInterfaceIpv4NeighbourCustomizerTest extends ListReaderCustomizerTest<Neighbor, NeighborKey, NeighborBuilder>
         implements InterfaceChildNodeTest {
 
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/Ipv6AddressCustomizerTest.java b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/ipv6/Ipv6AddressCustomizerTest.java
index 487f56918..edde1db1c 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/Ipv6AddressCustomizerTest.java
+++ b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/ipv6/Ipv6AddressCustomizerTest.java
@@ -13,12 +13,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package io.fd.hc2vpp.v3po.interfacesstate.ip.v6;
+
+package io.fd.hc2vpp.l3.read.ipv6;
+
+import static org.junit.Assert.assertEquals;
 
 import io.fd.hc2vpp.common.test.read.ListReaderCustomizerTest;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.InterfaceChildNodeTest;
+import io.fd.hc2vpp.l3.read.InterfaceChildNodeTest;
 import io.fd.honeycomb.translate.read.ReadFailedException;
 import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import java.util.Arrays;
 import org.junit.Test;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
@@ -31,10 +35,6 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev14061
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv6.AddressKey;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
-import java.util.Arrays;
-
-import static org.junit.Assert.assertEquals;
-
 public class Ipv6AddressCustomizerTest extends ListReaderCustomizerTest<Address, AddressKey, AddressBuilder>
         implements InterfaceChildNodeTest {
 
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/Ipv6NeighbourCustomizerTest.java b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/ipv6/Ipv6NeighbourCustomizerTest.java
index 6f5a08abb..0551977e5 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/Ipv6NeighbourCustomizerTest.java
+++ b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/ipv6/Ipv6NeighbourCustomizerTest.java
@@ -13,12 +13,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package io.fd.hc2vpp.v3po.interfacesstate.ip.v6;
+
+package io.fd.hc2vpp.l3.read.ipv6;
+
+import static org.junit.Assert.assertEquals;
 
 import io.fd.hc2vpp.common.test.read.ListReaderCustomizerTest;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.InterfaceChildNodeTest;
+import io.fd.hc2vpp.l3.read.InterfaceChildNodeTest;
 import io.fd.honeycomb.translate.read.ReadFailedException;
 import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import java.util.Arrays;
 import org.junit.Test;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
@@ -31,10 +35,6 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev14061
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv6.NeighborKey;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
-import java.util.Arrays;
-
-import static org.junit.Assert.assertEquals;
-
 
 public class Ipv6NeighbourCustomizerTest extends ListReaderCustomizerTest<Neighbor, NeighborKey, NeighborBuilder>
         implements InterfaceChildNodeTest {
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/subinterface/SubInterfaceIpv6AddressCustomizerTest.java b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/ipv6/SubInterfaceIpv6AddressCustomizerTest.java
index 51d9f603f..ee342234e 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/subinterface/SubInterfaceIpv6AddressCustomizerTest.java
+++ b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/ipv6/SubInterfaceIpv6AddressCustomizerTest.java
@@ -13,12 +13,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package io.fd.hc2vpp.v3po.interfacesstate.ip.v6.subinterface;
+
+package io.fd.hc2vpp.l3.read.ipv6;
 
 import io.fd.hc2vpp.common.test.read.ListReaderCustomizerTest;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.InterfaceChildNodeTest;
+import io.fd.hc2vpp.l3.read.InterfaceChildNodeTest;
+import io.fd.hc2vpp.l3.read.ipv6.subinterface.SubInterfaceIpv6AddressCustomizer;
 import io.fd.honeycomb.translate.read.ReadFailedException;
 import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import java.util.Arrays;
 import org.junit.Test;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
@@ -34,8 +37,6 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip6.attributes.ipv6.AddressKey;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
-import java.util.Arrays;
-
 public class SubInterfaceIpv6AddressCustomizerTest extends ListReaderCustomizerTest<Address, AddressKey, AddressBuilder>
         implements InterfaceChildNodeTest {
 
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/subinterface/SubInterfaceIpv6NeighbourCustomizerTest.java b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/ipv6/SubInterfaceIpv6NeighbourCustomizerTest.java
index 24fd17eb8..e9400921e 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/subinterface/SubInterfaceIpv6NeighbourCustomizerTest.java
+++ b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/ipv6/SubInterfaceIpv6NeighbourCustomizerTest.java
@@ -13,12 +13,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package io.fd.hc2vpp.v3po.interfacesstate.ip.v6.subinterface;
+
+package io.fd.hc2vpp.l3.read.ipv6;
+
+import static org.junit.Assert.assertEquals;
 
 import io.fd.hc2vpp.common.test.read.ListReaderCustomizerTest;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.InterfaceChildNodeTest;
+import io.fd.hc2vpp.l3.read.InterfaceChildNodeTest;
+import io.fd.hc2vpp.l3.read.ipv6.subinterface.SubInterfaceIpv6NeighbourCustomizer;
 import io.fd.honeycomb.translate.read.ReadFailedException;
 import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import java.util.Arrays;
 import org.junit.Test;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
@@ -34,10 +39,6 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip6.attributes.ipv6.NeighborKey;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
-import java.util.Arrays;
-
-import static org.junit.Assert.assertEquals;
-
 public class SubInterfaceIpv6NeighbourCustomizerTest extends ListReaderCustomizerTest<Neighbor, NeighborKey, NeighborBuilder>
         implements InterfaceChildNodeTest {
 
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/nd/NdProxyCustomizerTest.java b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/ipv6/nd/NdProxyCustomizerTest.java
index 0db4c95fd..fe2fd4754 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfacesstate/ip/v6/nd/NdProxyCustomizerTest.java
+++ b/l3/impl/src/test/java/io/fd/hc2vpp/l3/read/ipv6/nd/NdProxyCustomizerTest.java
@@ -14,9 +14,9 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfacesstate.ip.v6.nd;
+package io.fd.hc2vpp.l3.read.ipv6.nd;
 
-import static io.fd.hc2vpp.v3po.interfacesstate.ip.v6.nd.NdProxyCustomizer.getCfgId;
+import static io.fd.hc2vpp.l3.read.ipv6.nd.NdProxyCustomizer.getCfgId;
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.containsInAnyOrder;
 import static org.junit.Assert.assertEquals;
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/ProxyArpCustomizerTest.java b/l3/impl/src/test/java/io/fd/hc2vpp/l3/write/ProxyArpCustomizerTest.java
index 2e6d17b90..e604df478 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/ProxyArpCustomizerTest.java
+++ b/l3/impl/src/test/java/io/fd/hc2vpp/l3/write/ProxyArpCustomizerTest.java
@@ -14,9 +14,9 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfaces;
+package io.fd.hc2vpp.l3.write;
 
-import static org.mockito.Matchers.any;
+import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
@@ -24,7 +24,7 @@ import static org.mockito.Mockito.when;
 import io.fd.hc2vpp.common.test.write.WriterCustomizerTest;
 import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfaces.ip.v4.ProxyArpCustomizer;
+import io.fd.hc2vpp.l3.write.ipv4.ProxyArpCustomizer;
 import io.fd.honeycomb.translate.write.WriteFailedException;
 import io.fd.vpp.jvpp.core.dto.ProxyArpIntfcEnableDisable;
 import io.fd.vpp.jvpp.core.dto.ProxyArpIntfcEnableDisableReply;
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/ProxyRangeCustomizerTest.java b/l3/impl/src/test/java/io/fd/hc2vpp/l3/write/ProxyRangeCustomizerTest.java
index 9b4760916..49f4d0bc0 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/ProxyRangeCustomizerTest.java
+++ b/l3/impl/src/test/java/io/fd/hc2vpp/l3/write/ProxyRangeCustomizerTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2017 Cisco and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,15 +14,15 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfaces;
+package io.fd.hc2vpp.l3.write;
 
-import static org.mockito.Matchers.any;
+import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 import io.fd.hc2vpp.common.test.write.WriterCustomizerTest;
 import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
-import io.fd.hc2vpp.v3po.interfaces.ip.v4.ProxyRangeCustomizer;
+import io.fd.hc2vpp.l3.write.ipv4.ProxyRangeCustomizer;
 import io.fd.honeycomb.translate.write.WriteFailedException;
 import io.fd.vpp.jvpp.core.dto.ProxyArpAddDel;
 import io.fd.vpp.jvpp.core.dto.ProxyArpAddDelReply;
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/Ipv4AddressCustomizerTest.java b/l3/impl/src/test/java/io/fd/hc2vpp/l3/write/ipv4/Ipv4AddressCustomizerTest.java
index ffae78ea8..269781319 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/Ipv4AddressCustomizerTest.java
+++ b/l3/impl/src/test/java/io/fd/hc2vpp/l3/write/ipv4/Ipv4AddressCustomizerTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2017 Cisco and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,16 +14,13 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfaces.ip.v4;
+package io.fd.hc2vpp.l3.write.ipv4;
 
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.argThat;
-import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
@@ -35,14 +32,9 @@ import io.fd.vpp.jvpp.VppBaseCallException;
 import io.fd.vpp.jvpp.core.dto.IpAddressDetailsReplyDump;
 import io.fd.vpp.jvpp.core.dto.SwInterfaceAddDelAddress;
 import io.fd.vpp.jvpp.core.dto.SwInterfaceAddDelAddressReply;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
 import org.junit.Before;
 import org.junit.Test;
 import org.mockito.ArgumentMatcher;
-import org.mockito.Mock;
-import org.mockito.Mockito;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
@@ -50,7 +42,6 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.Interface1;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.Ipv4;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.Ipv4Builder;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.Address;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.AddressBuilder;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.address.subnet.Netmask;
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/Ipv4NeighbourCustomizerTest.java b/l3/impl/src/test/java/io/fd/hc2vpp/l3/write/ipv4/Ipv4NeighbourCustomizerTest.java
index 3e5f969bd..54bdafe1b 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/Ipv4NeighbourCustomizerTest.java
+++ b/l3/impl/src/test/java/io/fd/hc2vpp/l3/write/ipv4/Ipv4NeighbourCustomizerTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2017 Cisco and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfaces.ip.v4;
+package io.fd.hc2vpp.l3.write.ipv4;
 
 import static junit.framework.TestCase.assertTrue;
 import static org.junit.Assert.fail;
@@ -27,7 +27,6 @@ import com.google.common.base.Optional;
 import io.fd.hc2vpp.common.test.write.WriterCustomizerTest;
 import io.fd.hc2vpp.common.translate.util.Ipv4Translator;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfaces.ip.v4.Ipv4NeighbourCustomizer;
 import io.fd.honeycomb.translate.write.WriteFailedException;
 import io.fd.vpp.jvpp.VppBaseCallException;
 import io.fd.vpp.jvpp.core.dto.IpNeighborAddDel;
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/ip/SubInterfaceIpv4AddressCustomizerTest.java b/l3/impl/src/test/java/io/fd/hc2vpp/l3/write/ipv4/SubInterfaceIpv4AddressCustomizerTest.java
index 98ff8da64..ce1711c32 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/ip/SubInterfaceIpv4AddressCustomizerTest.java
+++ b/l3/impl/src/test/java/io/fd/hc2vpp/l3/write/ipv4/SubInterfaceIpv4AddressCustomizerTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2017 Cisco and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfaces.ip;
+package io.fd.hc2vpp.l3.write.ipv4;
 
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
@@ -25,7 +25,7 @@ import static org.mockito.Mockito.when;
 import io.fd.hc2vpp.common.test.write.WriterCustomizerTest;
 import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfaces.ip.v4.subinterface.SubInterfaceIpv4AddressCustomizer;
+import io.fd.hc2vpp.l3.write.ipv4.subinterface.SubInterfaceIpv4AddressCustomizer;
 import io.fd.honeycomb.translate.write.WriteFailedException;
 import io.fd.vpp.jvpp.VppBaseCallException;
 import io.fd.vpp.jvpp.core.dto.SwInterfaceAddDelAddress;
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/ip/v6/Ipv6NeighbourCustomizerTest.java b/l3/impl/src/test/java/io/fd/hc2vpp/l3/write/ipv6/Ipv6NeighbourCustomizerTest.java
index ca6bae56e..e1a2f3d2e 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/ip/v6/Ipv6NeighbourCustomizerTest.java
+++ b/l3/impl/src/test/java/io/fd/hc2vpp/l3/write/ipv6/Ipv6NeighbourCustomizerTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2017 Cisco and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,7 +13,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package io.fd.hc2vpp.v3po.interfaces.ip.v6;
+package io.fd.hc2vpp.l3.write.ipv6;
+
+import static junit.framework.TestCase.assertTrue;
+import static org.junit.Assert.fail;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
 
 import com.google.common.base.Optional;
 import io.fd.hc2vpp.common.test.write.WriterCustomizerTest;
@@ -40,11 +47,6 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.RoutingBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
-import static junit.framework.TestCase.assertTrue;
-import static org.junit.Assert.fail;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.Mockito.*;
-
 public class Ipv6NeighbourCustomizerTest extends WriterCustomizerTest implements Ipv6Translator {
 
     private static final String IFC_CTX_NAME = "ifc-test-instance";
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/ip/v6/nd/NdProxyCustomizerTest.java b/l3/impl/src/test/java/io/fd/hc2vpp/l3/write/ipv6/nd/NdProxyCustomizerTest.java
index 7d6fcb062..bf6fe9d2c 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/interfaces/ip/v6/nd/NdProxyCustomizerTest.java
+++ b/l3/impl/src/test/java/io/fd/hc2vpp/l3/write/ipv6/nd/NdProxyCustomizerTest.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfaces.ip.v6.nd;
+package io.fd.hc2vpp.l3.write.ipv6.nd;
 
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.mock;
diff --git a/l3/pom.xml b/l3/pom.xml
new file mode 100644
index 000000000..f2c4fb4c2
--- /dev/null
+++ b/l3/pom.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (c) 2017 Cisco and/or its affiliates.
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at:
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>hc2vpp-aggregator</artifactId>
+        <groupId>io.fd.hc2vpp</groupId>
+        <version>1.17.04-SNAPSHOT</version>
+    </parent>
+    <packaging>pom</packaging>
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>io.fd.hc2vpp.l3</groupId>
+    <artifactId>l3-aggregator</artifactId>
+
+    <modules>
+        <module>api</module>
+        <module>impl</module>
+        <module>utils</module>
+    </modules>
+</project>
\ No newline at end of file
diff --git a/l3/utils/asciidoc/Readme.adoc b/l3/utils/asciidoc/Readme.adoc
new file mode 100644
index 000000000..45eda20a5
--- /dev/null
+++ b/l3/utils/asciidoc/Readme.adoc
@@ -0,0 +1,3 @@
+= l3-utils
+
+Overview of l3-utils
\ No newline at end of file
diff --git a/l3/utils/pom.xml b/l3/utils/pom.xml
new file mode 100644
index 000000000..0f7e7f91b
--- /dev/null
+++ b/l3/utils/pom.xml
@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (c) 2017 Cisco and/or its affiliates.
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at:
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <groupId>io.fd.hc2vpp.common</groupId>
+        <artifactId>vpp-impl-parent</artifactId>
+        <version>1.17.04-SNAPSHOT</version>
+        <relativePath>../../vpp-common/vpp-impl-parent</relativePath>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>io.fd.hc2vpp.l3</groupId>
+    <artifactId>l3-utils</artifactId>
+    <version>1.17.04-SNAPSHOT</version>
+
+    <dependencies>
+        <dependency>
+            <groupId>io.fd.hc2vpp.l3</groupId>
+            <artifactId>l3-api</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
+        <!-- TODO - HC2VPP-100 - for building subinterface keys,etc,change to interface/subinterface api after split -->
+        <dependency>
+            <groupId>io.fd.hc2vpp.v3po</groupId>
+            <artifactId>v3po-api</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>io.fd.vpp</groupId>
+            <artifactId>jvpp-core</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>io.fd.honeycomb</groupId>
+            <artifactId>translate-utils</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>io.fd.hc2vpp.common</groupId>
+            <artifactId>vpp-translate-utils</artifactId>
+        </dependency>
+
+        <!-- TODO - HC2VPP-100 - sub-interface utils,change to interface/subinterface api after split-->
+        <dependency>
+            <groupId>io.fd.hc2vpp.v3po</groupId>
+            <artifactId>v3po2vpp</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+    </dependencies>
+</project>
\ No newline at end of file
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/dump/params/IfaceDumpFilter.java b/l3/utils/src/main/java/io/fd/hc2vpp/l3/utils/ip/read/IfaceDumpFilter.java
index ce57e34be..45893a497 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/dump/params/IfaceDumpFilter.java
+++ b/l3/utils/src/main/java/io/fd/hc2vpp/l3/utils/ip/read/IfaceDumpFilter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2017 Cisco and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfacesstate.ip.dump.params;
+package io.fd.hc2vpp.l3.utils.ip.read;
 
 public class IfaceDumpFilter {
 
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/readers/IpAddressReader.java b/l3/utils/src/main/java/io/fd/hc2vpp/l3/utils/ip/read/IpAddressReader.java
index cb6228b33..369241e47 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/readers/IpAddressReader.java
+++ b/l3/utils/src/main/java/io/fd/hc2vpp/l3/utils/ip/read/IpAddressReader.java
@@ -13,13 +13,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package io.fd.hc2vpp.v3po.interfacesstate.ip.readers;
+
+package io.fd.hc2vpp.l3.utils.ip.read;
+
+import static com.google.common.base.Preconditions.checkNotNull;
 
 import com.google.common.base.Optional;
 import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
 import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.dump.params.IfaceDumpFilter;
 import io.fd.hc2vpp.v3po.util.SubInterfaceUtils;
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
@@ -30,6 +32,11 @@ import io.fd.vpp.jvpp.core.dto.IpAddressDetails;
 import io.fd.vpp.jvpp.core.dto.IpAddressDetailsReplyDump;
 import io.fd.vpp.jvpp.core.dto.IpAddressDump;
 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import java.util.Collections;
+import java.util.List;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6AddressNoZone;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
@@ -37,14 +44,6 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan
 import org.opendaylight.yangtools.yang.binding.Identifier;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
-import javax.annotation.Nonnull;
-import java.util.Collections;
-import java.util.List;
-import java.util.function.Function;
-import java.util.stream.Collectors;
-
-import static com.google.common.base.Preconditions.checkNotNull;
-
 /**
  * Provides logic for reading of ip addresses
  */
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/readers/IpNeighbourReader.java b/l3/utils/src/main/java/io/fd/hc2vpp/l3/utils/ip/read/IpNeighbourReader.java
index 0acfb5b81..69df87b62 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/readers/IpNeighbourReader.java
+++ b/l3/utils/src/main/java/io/fd/hc2vpp/l3/utils/ip/read/IpNeighbourReader.java
@@ -13,13 +13,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package io.fd.hc2vpp.v3po.interfacesstate.ip.readers;
+
+package io.fd.hc2vpp.l3.utils.ip.read;
+
+import static com.google.common.base.Preconditions.checkNotNull;
 
 import com.google.common.base.Optional;
 import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
 import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
-import io.fd.hc2vpp.v3po.interfacesstate.ip.dump.params.IfaceDumpFilter;
 import io.fd.hc2vpp.v3po.util.SubInterfaceUtils;
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
@@ -29,18 +31,15 @@ import io.fd.vpp.jvpp.core.dto.IpNeighborDetails;
 import io.fd.vpp.jvpp.core.dto.IpNeighborDetailsReplyDump;
 import io.fd.vpp.jvpp.core.dto.IpNeighborDump;
 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces.state._interface.sub.interfaces.SubInterface;
-import org.opendaylight.yangtools.yang.binding.Identifier;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-
-import javax.annotation.Nonnull;
 import java.util.Collections;
 import java.util.List;
 import java.util.function.Function;
 import java.util.stream.Collectors;
-
-import static com.google.common.base.Preconditions.checkNotNull;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces.state._interface.sub.interfaces.SubInterface;
+import org.opendaylight.yangtools.yang.binding.Identifier;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 /**
  * Provides logic for reading ip neighbours
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/readers/IpReader.java b/l3/utils/src/main/java/io/fd/hc2vpp/l3/utils/ip/read/IpReader.java
index 9003dbab7..3ba0ba862 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/ip/readers/IpReader.java
+++ b/l3/utils/src/main/java/io/fd/hc2vpp/l3/utils/ip/read/IpReader.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfacesstate.ip.readers;
+package io.fd.hc2vpp.l3.utils.ip.read;
 
 import com.google.common.collect.ImmutableSet;
 import io.fd.hc2vpp.common.translate.util.AddressTranslator;
@@ -22,15 +22,14 @@ import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
 import io.fd.hc2vpp.common.translate.util.NamingContext;
 import io.fd.honeycomb.translate.util.read.cache.CacheKeyFactory;
 import io.fd.honeycomb.translate.util.read.cache.TypeAwareIdentifierCacheKeyFactory;
+import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces.state._interface.sub.interfaces.SubInterface;
 
-import javax.annotation.Nonnull;
-
 /**
  * Utility class providing Ipv4/6 read support.
  */
-abstract class IpReader implements AddressTranslator, JvppReplyConsumer {
+public abstract class IpReader implements AddressTranslator, JvppReplyConsumer {
 
     private final NamingContext interfaceContext;
     private final boolean isIpv6;
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/IpWriter.java b/l3/utils/src/main/java/io/fd/hc2vpp/l3/utils/ip/write/IpWriter.java
index 795dc4587..3f5023890 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/IpWriter.java
+++ b/l3/utils/src/main/java/io/fd/hc2vpp/l3/utils/ip/write/IpWriter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2017 Cisco and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.fd.hc2vpp.v3po.interfaces.ip;
+package io.fd.hc2vpp.l3.utils.ip.write;
 
 import static com.google.common.base.Preconditions.checkArgument;
 import static com.google.common.base.Preconditions.checkNotNull;
diff --git a/pom.xml b/pom.xml
index 0b8d9b64c..81095debb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -47,5 +47,6 @@
     <module>dhcp</module>
     <module>samples</module>
     <module>vpp-classifier</module>
+    <module>l3</module>
   </modules>
 </project>
diff --git a/routing/routing-api/pom.xml b/routing/routing-api/pom.xml
index f781340f9..97552ac41 100644
--- a/routing/routing-api/pom.xml
+++ b/routing/routing-api/pom.xml
@@ -60,6 +60,14 @@
             <groupId>org.opendaylight.mdsal.model</groupId>
             <artifactId>yang-ext</artifactId>
         </dependency>
+
+        <!-- Ietf ip -->
+        <dependency>
+            <groupId>io.fd.hc2vpp.l3</groupId>
+            <artifactId>l3-api</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
         <dependency>
             <groupId>io.fd.hc2vpp.vpp.classifier</groupId>
             <artifactId>vpp-classifier-api</artifactId>
diff --git a/v3po/api/pom.xml b/v3po/api/pom.xml
index 2626d7bad..700669e7b 100644
--- a/v3po/api/pom.xml
+++ b/v3po/api/pom.xml
@@ -49,6 +49,11 @@
       <artifactId>yang-ext</artifactId>
     </dependency>
     <dependency>
+      <groupId>io.fd.hc2vpp.l3</groupId>
+      <artifactId>l3-api</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
       <groupId>io.fd.hc2vpp.common</groupId>
       <artifactId>naming-context-api</artifactId>
       <version>${project.version}</version>
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/V3poModule.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/V3poModule.java
index 42e406eb1..06d6d290f 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/V3poModule.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/V3poModule.java
@@ -23,15 +23,6 @@ import io.fd.hc2vpp.common.translate.util.NamingContext;
 import io.fd.hc2vpp.v3po.cfgattrs.V3poConfiguration;
 import io.fd.hc2vpp.v3po.factory.InterfacesStateReaderFactory;
 import io.fd.hc2vpp.v3po.factory.InterfacesWriterFactory;
-import io.fd.hc2vpp.v3po.factory.Ipv4StateReaderFactory;
-import io.fd.hc2vpp.v3po.factory.Ipv4WriterFactory;
-import io.fd.hc2vpp.v3po.factory.Ipv6StateReaderFactory;
-import io.fd.hc2vpp.v3po.factory.Ipv6WriterFactory;
-import io.fd.hc2vpp.v3po.factory.ProxyArpWriterFactory;
-import io.fd.hc2vpp.v3po.factory.SubInterfaceIpv4WriterFactory;
-import io.fd.hc2vpp.v3po.factory.SubInterfaceIpv6WriterFactory;
-import io.fd.hc2vpp.v3po.factory.SubInterfaceStateIpv4ReaderFactory;
-import io.fd.hc2vpp.v3po.factory.SubInterfaceStateIpv6ReaderFactory;
 import io.fd.hc2vpp.v3po.factory.SubinterfaceAugmentationWriterFactory;
 import io.fd.hc2vpp.v3po.factory.SubinterfaceStateAugmentationReaderFactory;
 import io.fd.hc2vpp.v3po.factory.VppHoneycombWriterFactory;
@@ -83,25 +74,12 @@ public class V3poModule extends AbstractModule {
         // Expose disabled interfaces in operational data
         readerFactoryBinder.addBinding().to(DisabledInterfacesManager.ContextsReaderFactory.class);
 
-        //Ipv4/Ipv6
-        readerFactoryBinder.addBinding().to(Ipv4StateReaderFactory.class);
-        readerFactoryBinder.addBinding().to(Ipv6StateReaderFactory.class);
-        readerFactoryBinder.addBinding().to(SubInterfaceStateIpv4ReaderFactory.class);
-        readerFactoryBinder.addBinding().to(SubInterfaceStateIpv6ReaderFactory.class);
-
         // Writers
         final Multibinder<WriterFactory> writerFactoryBinder = Multibinder.newSetBinder(binder(), WriterFactory.class);
         writerFactoryBinder.addBinding().to(InterfacesWriterFactory.class);
-        writerFactoryBinder.addBinding().to(ProxyArpWriterFactory.class);
         writerFactoryBinder.addBinding().to(SubinterfaceAugmentationWriterFactory.class);
         writerFactoryBinder.addBinding().to(VppHoneycombWriterFactory.class);
 
-        //Ipv4/Ipv6
-        writerFactoryBinder.addBinding().to(Ipv4WriterFactory.class);
-        writerFactoryBinder.addBinding().to(Ipv6WriterFactory.class);
-        writerFactoryBinder.addBinding().to(SubInterfaceIpv4WriterFactory.class);
-        writerFactoryBinder.addBinding().to(SubInterfaceIpv6WriterFactory.class);
-
         // Notifications
         final Multibinder<ManagedNotificationProducer> notifiersBinder =
                 Multibinder.newSetBinder(binder(), ManagedNotificationProducer.class);
diff --git a/vpp-integration/minimal-distribution/pom.xml b/vpp-integration/minimal-distribution/pom.xml
index ddf707687..1e73862c6 100644
--- a/vpp-integration/minimal-distribution/pom.xml
+++ b/vpp-integration/minimal-distribution/pom.xml
@@ -40,11 +40,15 @@
     <acl.version>1.17.04-SNAPSHOT</acl.version>
     <dhcp.version>1.17.04-SNAPSHOT</dhcp.version>
     <vpp.classifier.version>1.17.04-SNAPSHOT</vpp.classifier.version>
+    <l3-impl.version>1.17.04-SNAPSHOT</l3-impl.version>
 
     <distribution.modules>
       io.fd.hc2vpp.common.integration.VppCommonModule,
       io.fd.hc2vpp.lisp.LispModule,
       io.fd.hc2vpp.v3po.V3poModule,
+      io.fd.hc2vpp.l3.InterfaceL3Module,
+      io.fd.hc2vpp.l3.SubInterfaceL3Module,
+      io.fd.hc2vpp.l3.ProxyArpModule,
       io.fd.hc2vpp.vpp.classifier.VppClassifierModule,
       io.fd.hc2vpp.vpp.classifier.InterfaceClassifierAclModule,
       io.fd.hc2vpp.vpp.classifier.SubInterfaceClassifierAclModule,
@@ -103,6 +107,11 @@
       <version>${vpp.classifier.version}</version>
     </dependency>
     <dependency>
+      <groupId>io.fd.hc2vpp.l3</groupId>
+      <artifactId>l3-impl</artifactId>
+      <version>${l3-impl.version}</version>
+    </dependency>
+    <dependency>
       <groupId>io.fd.hc2vpp.lisp</groupId>
       <artifactId>lisp2vpp</artifactId>
       <version>${lisp.version}</version>