On Wed, Jan 23, 2013 at 5:42 PM, Dave Taht <[email protected]> wrote:
> > fq_codel and derivatives like nfq_codel and cake do a good job of reducing > latency under load, so I would hope that the remaining problem for a > smoothing a babel + fq_codel network would be wifi power save (CAP can > induce 200ms of delay or more) > > correction: CAB (visual typo). It's not a particularly well understood aspect of how wifi works. http://adrianchadd.blogspot.com/2011/06/implementing-11n-tx-aggregation-why-its.html http://www.mail-archive.com/[email protected]/msg00992.html > Having a measurement of router-2-router latency would be a good way to > distinguish between wifi, 10, 100, gigE, and tunneled networks. > > Similarly I keep hoping that someone will look hard at the metrics that > the minstrel algorithm can provide on a per connected host basis. > > > https://www.bufferbloat.net/projects/cerowrt/wiki/Minstrel_Wireless_Rate_Selection > > it is a much more direct way of determining available bandwidth and > connectivity (passive, too) and (actual in use bandwidth is something that > cake throws to userspace too.) > > regrettably I'm mostly working on polishing up the fq_codel work and sims > for the next quarter. > > >> >> Great. >> >> Regards, >> >> JPS. >> >> > >> > -- Juliusz >> > >> _______________________________________________ >> Babel-users mailing list >> [email protected] >> http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/babel-users >> > > > > -- > Dave Täht > > Fixing bufferbloat with cerowrt: > http://www.teklibre.com/cerowrt/subscribe.html > -- Dave Täht Fixing bufferbloat with cerowrt: http://www.teklibre.com/cerowrt/subscribe.html
_______________________________________________ Babel-users mailing list [email protected] http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/babel-users
