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authorMaryam Tahhan <maryam.tahhan@intel.com>2015-02-27 11:58:32 +0000
committerMaryam Tahhan <maryam.tahhan@intel.com>2015-03-25 09:25:48 +0000
commite2265b208268730c56d32adefc64297b5c595dfd (patch)
treecf57877b3da8b96eb51aaf287bd3c81ad1c9d282 /test_spec/vswitchperf_ltd.md
parent17a351f77375126f0fe7f197eaed657342c62408 (diff)
TestSpec: Add LTD.Throughput.RFC2544.BackToBackFrames
Add a definition for RFC 2544 Back To Back Frames Test. Change-Id: I15499eb6874227e189fa9828b8488f9c06c0b1a1 JIRA: VSPERF-12 Signed-off-by: Maryam Tahhan <maryam.tahhan@intel.com> Signed-off-by: Al Morton <acmorton@att.com> Reviewed-by: Al Morton <acmorton@att.com>
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@@ -585,7 +585,32 @@ The following represents possible deployments which can help to determine the pe
- Physical → virtual switch → physical.
<br/>
+ - #####Test ID: LTD.Throughput.RFC2544.BackToBackFrames
+ **Title**: RFC 2544 Back To Back Frames Test
+ **Prerequisite Test**: N\A
+
+ **Priority**:
+
+ **Description**:
+
+ The aim of this test is to characterize the ability of the DUT to process back-to-back frames. For each frame size previously defined under [Default Test Parameters](#DefaultParams), a burst of traffic is sent to the DUT with the minimum inter-frame gap between each frame. If the number of received frames equals the number of frames that were transmitted, the burst size should be increased and traffic is sent to the DUT again. The value measured is the back-to-back value, that is the maximum burst size the DUT can handle without any frame loss.
+
+ **Expected Result**:
+
+ Tests of back-to-back frames with physical devices have produced unstable results in some cases. All tests should be repeated in multiple test sessions and results stability should be examined.
+
+ **Metrics collected**
+
+ The following are the metrics collected for this test:
+
+ - The back-to-back value, which is the the number of frames in the longest burst that the DUT will handle without the loss of any frames.
+
+ **Deployment scenario**:
+
+ - Physical → virtual switch → physical.
+
+<br/>
[RFC1242]:(http://www.ietf.org/rfc/rfc1242.txt)
[RFC2544]:(http://www.ietf.org/rfc/rfc2544.txt)
[RFC5481]:(http://www.ietf.org/rfc/rfc5481.txt)