[109155] in North American Network Operators' Group
Re: ECN
daemon@ATHENA.MIT.EDU (=?utf-8?Q?Bj=C3=B8rn_Mork?=)
Fri Nov 7 04:33:03 2008
From: =?utf-8?Q?Bj=C3=B8rn_Mork?= <bjorn@mork.no>
To: David Freedman <david.freedman@uk.clara.net>
Date: Fri, 07 Nov 2008 10:32:36 +0100
In-Reply-To: <gf10ti$i4k$1@ger.gmane.org> (David Freedman's message of "Fri,
07 Nov 2008 09:14:26 +0000")
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
David Freedman <david.freedman@uk.clara.net> writes:
> Implementing this in an MPLS core is not an easy task, you can really
> only do this on the edge, when the MPLS labelled packet arrives at an
> LSR, we don't know if it contains a TCP segment or not (fancy deep h/w
> implementations excluded), all we know is that , if there is congestion,
> we can discard it based on the EXP bits in the shim.
Please see RFC 5129
Bj=C3=B8rn
