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+.. 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 TC061
+*************************************
+
+.. _man-pages: http://linux.die.net/man/1/sar
+
++-----------------------------------------------------------------------------+
+|Network Utilization |
+| |
++--------------+--------------------------------------------------------------+
+|test case id | OPNFV_YARDSTICK_TC061_Network Utilization |
+| | |
++--------------+--------------------------------------------------------------+
+|metric | Network utilization |
+| | |
++--------------+--------------------------------------------------------------+
+|test purpose | To evaluate the IaaS network capability with regards to |
+| | network utilization, including Total number of packets |
+| | received per second, Total number of packets transmitted per |
+| | second, Total number of kilobytes received per second, Total |
+| | number of kilobytes transmitted per second, Number of |
+| | compressed packets received per second (for cslip etc.), |
+| | Number of compressed packets transmitted per second, Number |
+| | of multicast packets received per second, Utilization |
+| | percentage of the network interface. |
+| | This test case should be run in parallel to other Yardstick |
+| | test cases and not run as a stand-alone test case. |
+| | Measure the network usage statistics from the network devices|
+| | Average, minimum and maximun values are obtained. |
+| | The purpose is also to be able to spot trends. |
+| | Test results, graphs and similar shall be stored for |
+| | comparison reasons and product evolution understanding |
+| | between different OPNFV versions and/or configurations. |
+| | |
++--------------+--------------------------------------------------------------+
+|configuration | File: netutilization.yaml (in the 'samples' directory) |
+| | |
+| | * interval: 1 - repeat, pausing every 1 seconds in-between. |
+| | * count: 1 - display statistics 1 times, then exit. |
+| | |
++--------------+--------------------------------------------------------------+
+|test tool | sar |
+| | |
+| | The sar command writes to standard output the contents of |
+| | selected cumulative activity counters in the operating |
+| | system. |
+| | sar is normally part of a Linux distribution, hence it |
+| | doesn't needs to be installed. |
+| | |
++--------------+--------------------------------------------------------------+
+|references | man-pages_ |
+| | |
+| | ETSI-NFV-TST001 |
+| | |
++--------------+--------------------------------------------------------------+
+|applicability | Test can be configured with different: |
+| | |
+| | * interval; |
+| | * count; |
+| | * runner Iteration and intervals. |
+| | |
+| | There are default values for each above-mentioned option. |
+| | Run in background with other test cases. |
+| | |
++--------------+--------------------------------------------------------------+
+|pre-test | The test case image needs to be installed into Glance |
+|conditions | with sar included in the image. |
+| | |
+| | No POD specific requirements have been identified. |
+| | |
++--------------+--------------------------------------------------------------+
+|test sequence | description and expected result. |
+| | |
++--------------+--------------------------------------------------------------+
+|step 1 | The host is installed as client. The related TC, or TCs, is |
+| | invoked and sar logs are produced and stored. |
+| | |
+| | Result: logs are stored. |
+| | |
++--------------+--------------------------------------------------------------+
+|test verdict | None. Network utilization results are fetched and stored. |
+| | |
++--------------+--------------------------------------------------------------+