[78428] in North American Network Operators' Group
Re: Heads up: Long AS-sets announced in the next few days
daemon@ATHENA.MIT.EDU (Niels Bakker)
Thu Mar 3 20:18:55 2005
Date: Fri, 4 Mar 2005 02:18:04 +0100
From: Niels Bakker <niels=nanog@bakker.net>
To: nanog@merit.edu
Mail-Followup-To: nanog@merit.edu
In-Reply-To: <4227B544.6030709@ripe.net>
Errors-To: owner-nanog@merit.edu
* lorenzo@ripe.net (Lorenzo Colitti) [Fri 04 Mar 2005, 02:09 CET]:
> As far as the RFC is concerned, the AS-set is part of the AS-path. See
> Section 4.3, which says the AS-path is "a well-known mandatory attribute
> that is composed of a sequence of AS path segments. Each AS path segment
> is represented by a triple <path segment type, path segment length, path
> segment value>," where path segment type is 1 for AS_SEQUENCE and 2 for
> AS_SET.
I stand corrected.
> The RFC also says:
>
>> An AS_SET implies that the destinations listed in the NLRI can be
>> reached through paths that traverse at least some of the
>> constituent autonomous systems.
>
> which is exactly what we are doing.
Which would be planning to advertise routes with attributes claiming a
topology that does not conform to reality?
-- Niels.
--
The idle mind is the devil's playground
