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diff --git a/ioam/api/src/main/yang/ioam-sb-trace.yang b/ioam/api/src/main/yang/ioam-sb-trace.yang
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+++ b/ioam/api/src/main/yang/ioam-sb-trace.yang
@@ -0,0 +1,184 @@
+module ioam-sb-trace {
+  yang-version 1;
+  namespace "urn:cisco:params:xml:ns:yang:ioam-sb-trace";
+  prefix ioam-sb-trace;
+
+  import ietf-interfaces { prefix ietf-if; }
+
+  organization "Cisco Systems, Inc.";
+
+  contact
+    "Author: Srihari Raghavan
+     srihari@cisco.com";
+
+  description
+    "This YANG module defines a component that describing the
+    configuration of in-band OAM device configuration for
+    trace elements.
+    ";
+
+  revision 2016-05-12 {
+    description
+      "Base model for in-band OAM trace device configuration.";
+    reference
+      "";
+  }
+
+  container ioam-trace-config {
+  description
+    "Device specific configuration for in-band OAM trace.";
+
+  list trace-config {
+    key "trace-config-name";
+    ordered-by system;
+    description
+      "Set of ioam trace configurations that group parameters
+      required to enable iOAM6 tracing at a service node";
+
+    leaf trace-config-name {
+      type string {
+        length "0..255";
+      }
+      mandatory true;
+      description
+        "Unique identifier for each node tracing configuration";
+    }
+
+    leaf acl-name {
+      type string;
+      description
+        "The ACL name associated to classify and apply this
+        trace config";
+    }
+
+    leaf trace-type {
+      type uint8 {
+        range "3|7|9|17|25|31";
+      }
+
+      mandatory true;
+      description
+        "Trace type that defines the trace element variant.  Moving
+        from LSB to MSB, each bit represents node_id, ingress_if_id,
+        egress_if_id, timestamp, app_data and others are undefined.
+        Currently, the supported values are 0x03, 0x07, 0x09,
+        0x11, 0x19 and 0x1f.";
+    }
+
+    leaf trace-num-elt {
+      type uint8;
+
+      mandatory true;
+      description
+        "Number of trace elements to be inserted in the tracing
+        options.";
+    }
+
+    leaf trace-tsp {
+      type enumeration {
+        enum seconds {
+          value 0;
+          description "Timestamp in seconds.";
+        }
+        enum milliseconds {
+          value 1;
+          description "Timestamp in milli seconds.";
+        }
+        enum microseconds {
+          value 2;
+          description "Timestamp in micro seconds.";
+        }
+        enum nanoseconds {
+          value 3;
+          description "Timestamp in nano seconds.";
+        }
+      }
+
+      mandatory true;
+      description
+        "This field depicts the delay domain of the trace path,
+        whether it is in seconds, milliseconds, microseconds
+        or nanoseconds.";
+    }
+
+    leaf trace-op {
+      type enumeration {
+        enum add {
+          value 0;
+          description "Add new and fill trace information.";
+        }
+        enum update {
+          value 1;
+          description "Update existing trace information.";
+        }
+        enum remove {
+          value 2;
+          description "Decap or remove existing trace information.";
+        }
+      }
+
+      mandatory true;
+      description
+        "The type of trace element operation that the service node
+        handling this profile should do. The options are to add the
+        trace elements, update the trace elements or to remove the
+        trace elements.";
+    }
+
+    leaf trace-app-data {
+      type uint32;
+      description
+        "Application specific data to be added by the node";
+    }
+
+    leaf node-id {
+      type uint32;
+      mandatory true;
+      description
+        "iOAM Service Node id assigned to this node";
+    }
+
+    list node-interfaces {
+      key "index";
+      ordered-by system;
+      description
+        "List of node's interfaces on which the trace configuration
+        need to be applied. Typically this is to all interfaces
+        but can be filtered.";
+
+      leaf index {
+        type uint32;
+        mandatory true;
+        description
+          "Index for the interfaces list";
+      }
+
+      leaf intf-name {
+        type ietf-if:interface-ref;
+        mandatory true;
+        description
+          "Instance of ietf-interfaces:interface-ref";
+      }
+    }
+
+    /*** links to ioam-sb-data-export ***/
+    leaf data-export-profile-name {
+      type string;
+      description
+        "The data export profile name with server information to
+        send data to.";
+    }
+
+    /*** Transport encap profiles. Not used currently ***/
+    leaf transport-encap-profile-name {
+      type string;
+      description
+        "The transport encap profile name with sub configurations for
+        handling transport encap.";
+    }
+/*** list: end ***/
+  }
+/*** container: end ***/
+  }
+/*** module: end ***/
+}