From: Jim Gettys <jg@freedesktop.org>
To: bloat@lists.bufferbloat.net
Subject: Re: [Bloat] Applying RED93 in south africa
Date: Tue, 31 May 2011 11:02:58 -0400 [thread overview]
Message-ID: <4DE50322.2020807@freedesktop.org> (raw)
In-Reply-To: <7iaae6k2z8.fsf@lanthane.pps.jussieu.fr>
On 05/28/2011 04:02 PM, Juliusz Chroboczek wrote:
>> ecn is not being negotiated on tcp connections to SA(??),
> That's unfortunately pretty common. A common practice is to clear any
> priority information in packets coming into your network; unfortunately,
> a lot of routers clear the whole DSCP byte, including the ECN bits.
>
There is some data on this in Bauer and Beverly's Caida workshop results:
http://gettys.wordpress.com/2011/02/22/caida-workshop-aims-2011-bauer-and-beverly-ecn-results/
It looks like *most* networks don't clobber the bits, though some do.
So far, the networks who clobber the bits have been helpful on fixing them.
- Jim
next prev parent reply other threads:[~2011-05-31 14:46 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-21 14:27 Dave Taht
2011-05-21 19:11 ` Jonathan Morton
2011-05-21 19:29 ` Dave Taht
2011-05-28 20:02 ` Juliusz Chroboczek
2011-05-31 15:02 ` Jim Gettys [this message]
2011-05-28 20:07 ` Juliusz Chroboczek
2011-05-28 20:16 ` Dave Taht
2011-05-28 20:30 ` Juliusz Chroboczek
2011-05-28 20:59 ` [Bloat] SFB tuning (was Re: Applying RED93 in south africa) Otto Solares Cabrera
2011-05-29 15:29 ` [Bloat] SFB tuning Juliusz Chroboczek
2011-05-30 0:52 ` Otto Solares Cabrera
2011-05-30 22:05 ` Juliusz Chroboczek
2011-05-30 23:37 ` Otto Solares Cabrera
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