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diff --git a/docs/testing/user/userguide/opnfv_yardstick_tc043.rst b/docs/testing/user/userguide/opnfv_yardstick_tc043.rst new file mode 100644 index 000000000..a873696dc --- /dev/null +++ b/docs/testing/user/userguide/opnfv_yardstick_tc043.rst @@ -0,0 +1,102 @@ +.. This work is licensed under a Creative Commons Attribution 4.0 International +.. License. +.. http://creativecommons.org/licenses/by/4.0 +.. (c) OPNFV, Huawei Technologies Co.,Ltd and others. + +************************************* +Yardstick Test Case Description TC043 +************************************* + +.. _cirros-image: https://download.cirros-cloud.net +.. _Ping: https://linux.die.net/man/8/ping + ++-----------------------------------------------------------------------------+ +|Network Latency Between NFVI Nodes | +| | ++--------------+--------------------------------------------------------------+ +|test case id | OPNFV_YARDSTICK_TC043_LATENCY_BETWEEN_NFVI_NODES | +| | | ++--------------+--------------------------------------------------------------+ +|metric | RTT (Round Trip Time) | +| | | ++--------------+--------------------------------------------------------------+ +|test purpose | The purpose of TC043 is to do a basic verification that | +| | network latency is within acceptable boundaries when packets | +| | travel between different NFVI nodes. | +| | | +| | The purpose is also to be able to spot the trends. | +| | Test results, graphs and similar shall be stored for | +| | comparison reasons and product evolution understanding | +| | between different OPNFV versions and/or configurations. | +| | | ++--------------+--------------------------------------------------------------+ +|test tool | ping | +| | | +| | Ping is a computer network administration software utility | +| | used to test the reachability of a host on an Internet | +| | Protocol (IP) network. It measures the round-trip time for | +| | packet sent from the originating host to a destination | +| | computer that are echoed back to the source. | +| | | ++--------------+--------------------------------------------------------------+ +|test topology | Ping packets (ICMP protocol's mandatory ECHO_REQUEST | +| | datagram) are sent from host node to target node to elicit | +| | ICMP ECHO_RESPONSE. | +| | | ++--------------+--------------------------------------------------------------+ +|configuration | file: opnfv_yardstick_tc043.yaml | +| | | +| | Packet size 100 bytes. Total test duration 600 seconds. | +| | One ping each 10 seconds. SLA RTT is set to maximum 10 ms. | +| | | ++--------------+--------------------------------------------------------------+ +|applicability | This test case can be configured with different: | +| | | +| | * packet sizes; | +| | * burst sizes; | +| | * ping intervals; | +| | * test durations; | +| | * test iterations. | +| | | +| | Default values exist. | +| | | +| | SLA is optional. The SLA in this test case serves as an | +| | example. Considerably lower RTT is expected, and also normal | +| | to achieve in balanced L2 environments. However, to cover | +| | most configurations, both bare metal and fully virtualized | +| | ones, this value should be possible to achieve and | +| | acceptable for black box testing. Many real time | +| | applications start to suffer badly if the RTT time is higher | +| | than this. Some may suffer bad also close to this RTT, while | +| | others may not suffer at all. It is a compromise that may | +| | have to be tuned for different configuration purposes. | +| | | ++--------------+--------------------------------------------------------------+ +|references | Ping_ | +| | | +| | ETSI-NFV-TST001 | +| | | ++--------------+--------------------------------------------------------------+ +|pre_test | Each pod node must have ping included in it. | +|conditions | | +| | | ++--------------+--------------------------------------------------------------+ +|test sequence | description and expected result | +| | | ++--------------+--------------------------------------------------------------+ +|step 1 | Yardstick is connected with the NFVI node by using ssh. | +| | 'ping_benchmark' bash script is copyied from Jump Host to | +| | the NFVI node via the ssh tunnel. | +| | | ++--------------+--------------------------------------------------------------+ +|step 2 | Ping is invoked. Ping packets are sent from server node to | +| | client node. RTT results are calculated and checked against | +| | the SLA. Logs are produced and stored. | +| | | +| | Result: Logs are stored. | +| | | ++--------------+--------------------------------------------------------------+ +|test verdict | Test should not PASS if any RTT is above the optional SLA | +| | value, or if there is a test case execution problem. | +| | | ++--------------+--------------------------------------------------------------+ |