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+*************************************
+Yardstick Test Case Description TC008
+*************************************
+
+.. _pktgen: https://www.kernel.org/doc/Documentation/networking/pktgen.txt
+
++-----------------------------------------------------------------------------+
+|Packet Loss Extended Test |
+| |
++--------------+--------------------------------------------------------------+
+|test case id | OPNFV_YARDSTICK_TC008_NW PERF, Packet loss Extended Test |
+| | |
++--------------+--------------------------------------------------------------+
+|metric | Number of flows, packet size and throughput |
+| | |
++--------------+--------------------------------------------------------------+
+|test purpose | To evaluate the IaaS network performance with regards to |
+| | flows and throughput, such as if and how different amounts |
+| | of packet sizes and flows matter for the throughput between |
+| | VMs on different compute blades. Typically e.g. the |
+| | performance of a vSwitch |
+| | depends on the number of flows running through it. Also |
+| | performance of other equipment or entities can depend |
+| | on the number of flows or the packet sizes used. |
+| | The purpose is also to be able to spot trends. Test results, |
+| | graphs ans similar shall be stored for comparison reasons and|
+| | product evolution understanding between different OPNFV |
+| | versions and/or configurations. |
+| | |
++--------------+--------------------------------------------------------------+
+|configuration | file: opnfv_yardstick_tc008.yaml |
+| | |
+| | Packet size: 64, 128, 256, 512, 1024, 1280 and 1518 bytes. |
+| | |
+| | Number of ports: 1, 10, 50, 100, 500 and 1000. The amount of |
+| | configured ports map from 2 up to 1001000 flows, |
+| | respectively. Each packet_size/port_amount combination is run|
+| | ten times, for 20 seconds each. Then the next |
+| | packet_size/port_amount combination is run, and so on. |
+| | |
+| | The client and server are distributed on different HW. |
+| | |
+| | For SLA max_ppm is set to 1000. |
+| | |
++--------------+--------------------------------------------------------------+
+|test tool | pktgen |
+| | |
+| | (Pktgen is not always part of a Linux distribution, hence it |
+| | needs to be installed. It is part of the Yardstick Docker |
+| | image. |
+| | As an example see the /yardstick/tools/ directory for how |
+| | to generate a Linux image with pktgen included.) |
+| | |
++--------------+--------------------------------------------------------------+
+|references | pktgen_ |
+| | |
+| | ETSI-NFV-TST001 |
+| | |
++--------------+--------------------------------------------------------------+
+|applicability | Test can be configured with different packet sizes, amount |
+| | of flows and test duration. Default values exist. |
+| | |
+| | SLA (optional): max_ppm: The number of packets per million |
+| | packets sent that are acceptable to loose, not received. |
+| | |
++--------------+--------------------------------------------------------------+
+|pre-test | The test case image needs to be installed into Glance |
+|conditions | with pktgen included in it. |
+| | |
+| | No POD specific requirements have been identified. |
+| | |
++--------------+--------------------------------------------------------------+
+|test sequence | description and expected result |
+| | |
++--------------+--------------------------------------------------------------+
+|step 1 | The hosts are installed, as server and client. pktgen is |
+| | invoked and logs are produced and stored. |
+| | |
+| | Result: Logs are stored. |
+| | |
++--------------+--------------------------------------------------------------+
+|test verdict | Fails only if SLA is not passed, or if there is a test case |
+| | execution problem. |
+| | |
++--------------+--------------------------------------------------------------+