From: Rick Jones <rick.jones2@hp.com>
To: Mikael Abrahamsson <swmike@swm.pp.se>, David Lang <david@lang.hm>
Cc: bloat <bloat@lists.bufferbloat.net>
Subject: Re: [Bloat] I feel an urge to update this
Date: Thu, 25 Sep 2014 09:09:34 -0700 [thread overview]
Message-ID: <54243E3E.6080806@hp.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1409250728500.14735@uplift.swm.pp.se>
>> using fq_codel on every bottleneck link will make TCP work pretty well
>> across that entire range of connectivity
>
> Well, that'll fix one thing, but for instance the IW4 and IW10 debate.
> I'm sure IW10 works *great* on a 100/100 megabit/s connection when the
> server is 10GE connected, but it's less than optimal for a 0.1 megabit/s
> connection.
>
> So why can't the client hint the server that, hmm, I seem to be on a
> fairly slow connection here, don't send me too much at once? Or it can
> hint that hey, it seems most times I get pretty large TCP window sizes,
> so it's ok to start with IW10?
Well, there has been such a thing present in TCP from "The Beginning"
though not named as such. Such a client could always advertise a
smaller (initial) receive window... One which would allow only IW3 or
whatever value was appropriate.
rick jones
next prev parent reply other threads:[~2014-09-25 16:09 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-19 23:33 Dave Taht
2014-09-20 9:03 ` Steinar H. Gunderson
2014-09-20 15:55 ` Jonathan Morton
2014-09-20 16:47 ` Michael Welzl
2014-09-23 5:48 ` Mikael Abrahamsson
2014-09-23 8:31 ` Jonathan Morton
2014-09-25 4:16 ` David Lang
2014-09-25 5:32 ` Mikael Abrahamsson
2014-09-25 7:35 ` David Lang
2014-09-25 8:08 ` Mikael Abrahamsson
2014-09-25 11:00 ` David Lang
2014-09-25 13:00 ` Mikael Abrahamsson
2014-09-25 13:25 ` Dave Taht
2014-09-25 14:35 ` Mikael Abrahamsson
2014-09-25 16:09 ` Rick Jones [this message]
2014-09-25 17:26 ` Mikael Abrahamsson
2014-09-25 17:49 ` Rick Jones
2014-09-27 8:59 ` Manolis Sifalakis
2014-09-29 17:28 ` Rick Jones
2014-10-04 19:56 ` Manolis Sifalakis
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