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authorTibor Frank <tifrank@cisco.com>2018-08-07 13:05:06 +0200
committerTibor Frank <tifrank@cisco.com>2018-08-09 14:42:16 +0200
commit468da48d3f3ced298ff8dccc76885157dff5cfe7 (patch)
tree0623e90f98dd7ed7c6eed69fcc62f0a5217ea730 /docs/report/dmm_functional_tests/overview.rst
parent1ba065be541936a73ba9a9113165583a8bdf36c3 (diff)
CSIT-1229: Add DMM to report
Change-Id: Ib3ea8c13371a29ea2b4661a8506190dcb15c8ced Signed-off-by: Tibor Frank <tifrank@cisco.com> Signed-off-by: sharath <sharathkumarboyanapally@gmail.com>
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+Overview
+========
+
+Virtual Topologies
+------------------
+
+CSIT DMM functional tests are executed on virtualized topologies created using
+:abbr:`VIRL (Virtual Internet Routing Lab)` simulation platform contributed by
+Cisco. VIRL runs on physical baremetal servers hosted by LF FD.io project.
+Based on the packet path through server SUTs, one logical topology type
+is used for DMM DUT data plane testing:
+
+#. NIC-to-NIC switching topologies.
+
+NIC-to-NIC Switching
+~~~~~~~~~~~~~~~~~~~~
+
+The simplest logical topology for software data plane application like
+DMM is NIC-to-NIC switching. Tested topologies for the 3-Node
+testbed is shown in the figure below.
+
+.. only:: latex
+
+ .. raw:: latex
+
+ \begin{figure}[H]
+ \centering
+ \graphicspath{{../_tmp/src/vpp_performance_tests/}}
+ \includegraphics[width=0.90\textwidth]{logical-3n-nic2nic}
+ \label{fig:logical-3n-nic2nic}
+ \end{figure}
+
+.. only:: html
+
+ .. figure:: ../vpp_performance_tests/logical-3n-nic2nic.svg
+ :alt: logical-3n-nic2nic
+ :align: center
+
+SUT1 and SUT2 are two VMs (Ubuntu), TG
+is a Traffic Generator (TG, another Ubuntu VM). SUTs run sample server-client
+application using the DMM libs in Linux user-mode as a Device Under Test (DUT)
+within the VM. Currently TG node is not being used in DMM-CSIT. Logical
+connectivity between SUTs is provided using virtual NICs using VMs' virtio
+driver.
+
+Virtual testbeds are created on-demand whenever a verification job is started
+(e.g. triggered by the gerrit patch submission) and destroyed upon completion
+of all functional tests. Each node is a Virtual Machine and each connection
+that is drawn on the diagram is available for use in any test case. During the
+test execution, all nodes are reachable through the Management network connected
+to every node via dedicated virtual NICs and virtual links (not shown above
+for clarity).
+
+DMM Functional Tests Coverage
+-----------------------------
+
+Following DMM functional test areas are covered in the |csit-release| with
+results listed in this report:
+
+- **DMM basic testcase** - DMM has only one test case right now.
+ The testcase demonstrates single server[DUT1] and single client[DUT2] scenario
+ using DMM framework and kernel tcp/ip stack.
+
+ - Test case count: 1
+
+Total 1 DMM functional test in the |csit-release|.