CSIT-1229: Add DMM to report

[csit.git] / docs / report / dmm_functional_tests / overview.rst

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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|.