[Cake] A few puzzling Cake results

Toke Høiland-Jørgensen toke at toke.dk
Thu Apr 19 05:26:24 EDT 2018

Jonathan Morton <chromatix99 at gmail.com> writes:

>> your solution significantly hurts performance in the common case
> I'm sorry - did someone actually describe such a case?  I must have
> missed it.

I started this whole thread by pointing out that this behaviour results
in the delay of the TCP flows scaling with the number of active flows;
and that for 32 active flows (on a 10Mbps link), this results in the
latency being three times higher than for FQ-CoDel on the same link.

This was the message:

And this graph, specifically:

It's even worse for 64 flows, obviously; and there's no change in


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