[Cake] Testing variants of the MTU latency scaling

Toke Høiland-Jørgensen toke at toke.dk
Tue Apr 24 07:45:56 EDT 2018

Jonas Mårtensson <martensson.jonas at gmail.com> writes:

> One thing that is still not clear to me from these results: if I run
> cake on an IFB without ingress mode (i.e. the default?), does the MTU
> scaling have any impact on TCP download throughput?

Odds are that not using ingress mode will make Cake lose control of the
bottleneck (that is what happened when I tried running a quick test),
and so will mess up both latency and throughput as you hit the bloated
upstream link buffer...


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