[94187] in North American Network Operators' Group
Re: 4 Byte AS tested
daemon@ATHENA.MIT.EDU (Geoff Huston)
Thu Jan 11 18:18:50 2007
Date: Fri, 12 Jan 2007 10:05:56 +1100
To: MAEMURA Akinori <maem@maem.org>, randy@psg.com
From: Geoff Huston <gih@apnic.net>
Cc: nanog@merit.edu
In-Reply-To: <200701120704.DIB09324.NNFB@maem.org>
Errors-To: owner-nanog@merit.edu
At 09:04 AM 12/01/2007, MAEMURA Akinori wrote:
>Hi Randy,
>
>Yes. We can never have the knowledge of *all* BGP speakers
>in the world, then keeping a 4-byte ASN announced to let
>everyone observe it looks a good strategy to see what would
>be happening.
>
>The test you did has already proven that the current Internet
>routing system has no serious problem with 4-byte ASN.
>( Did it have any? )
No, there were no problems with this particular exercise. What this
test confirmed (for this path) is that opaque path attributes marked
as optional and transitive do indeed pass through the deployed BGP
fabric without alteration. This is a reassuring confirmation!
regards,
Geoff
