Opened 7 weeks ago

#30 new defect

dualq L queue causes under-utilization for bursty traffic

Reported by: pete@… Owned by: draft-ietf-tsvwg-l4s-arch@…
Priority: major Milestone:
Component: l4s-arch Version:
Severity: - Keywords:
Cc:

Description

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

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