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dualq L queue causes under-utilization for bursty traffic #30

Open ietf-svn-bot opened 4 years ago

ietf-svn-bot commented 4 years ago

owner:draft-ietf-tsvwg-l4s-arch@ietf.org type_defect | by pete@heistp.net


In testing we noticed that the low latency queue's marking strategy leads to under-utilization for bursty traffic, with close to a 90% throughput reduction using simulated wifi burstiness. An explanation is here:

https://github.com/heistp/sce-l4s-ect1#ultra-low-delay

The table of results is here (see table with dualpi2 as qdisc):

https://github.com/heistp/sce-l4s-ect1#scenario-5-wifi-burstiness


Issue migrated from trac:30 at 2022-01-31 12:36:16 +0000