[Bloat] DSLReports Speed Test has latency measurement built-in

[Eric Dumazet]

On Thu, 2015-04-23 at 12:17 +0200, renaud sallantin wrote:
> Hi, 

> ...
> 
> We did an extensive work on the Pacing in slow start and notably
> during a large IW transmission. 
> 
> Benefits are really outstanding! Our last implementation is just a
> slight modification of FQ/pacing 
>       * Sallantin, R.; Baudoin, C.; Chaput, E.; Arnal, F.; Dubois, E.;
>         Beylot, A.-L., "Initial spreading: A fast Start-Up TCP
>         mechanism," Local Computer Networks (LCN), 2013 IEEE 38th
>         Conference on , vol., no., pp.492,499, 21-24 Oct. 2013
>       * Sallantin, R.; Baudoin, C.; Chaput, E.; Arnal, F.; Dubois, E.;
>         Beylot, A.-L., "A TCP model for short-lived flows to validate
>         initial spreading," Local Computer Networks (LCN), 2014 IEEE
>         39th Conference on , vol., no., pp.177,184, 8-11 Sept. 2014
>         draft-sallantin-tcpm-initial-spreading, safe increase of the TCP's IW
> Did you consider using it or something similar? 


Absolutely. We play a lot with these parameters, but the real work is on
CC front now we have correct host queues and packet scheduler control.

Drops are no longer directly correlated to congestion on modern
networks, cubic has to be replaced.