Thanks Julien, that looks quite interesting. I'll try to remember to look out for this in the mainstream kernels in the future. On Sat, 17 Sep 2016 at 21:56 Julien Goodwin via luv-main < luv-main@luv.asn.au> wrote:
On 16/09/16 18:33, Julien Goodwin via luv-main wrote:
On 16/09/16 11:02, Toby Corkindale via luv-main wrote:
I noticed that Windows 10 now uses CTCP as the default TCP congestion/rate control algorithm, but Linux still defaults to the old Cubic algorithm.
CTCP doesn't appear to be available on Ubuntu LTS at the moment, but there's a whole host of others to choose from. Has anyone here worked out which is the best one to use on typical consumer internet links in Australia?
Over and above the rate control algorithm Linux has a bunch of features that make it work much better than a to-the-spec cubic implementation (not surprising with a bunch of large content providers like $EMPLOYER submitting their fixes upstream).
Things like TCP pacing and the work from the bufferbloat folk have really improved things.
https://fasterdata.es.net/host-tuning/linux/fair-queuing-scheduler/
...and something that finally went public overnight is a new TCP rate control algorithm from some of the folk at $EMPLOYER, I for one am very much looking forward to this hitting upstream and then into a Debian kernel.
https://patchwork.ozlabs.org/patch/671069/
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