[Babel-users] A happy babel user: re6st

[Dave Taht]

On Wed, Jan 23, 2013 at 5:42 PM, Dave Taht <dave.taht at gmail.com> 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/babel-users@lists.alioth.debian.org/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
>> Babel-users at lists.alioth.debian.org
>> 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
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