[107436] in North American Network Operators' Group
Re: Is the export policy selective under valley-free?
daemon@ATHENA.MIT.EDU (Iljitsch van Beijnum)
Wed Sep 3 17:22:24 2008
From: Iljitsch van Beijnum <iljitsch@muada.com>
To: Valdis.Kletnieks@vt.edu
In-Reply-To: <33545.1220476130@turing-police.cc.vt.edu>
Date: Wed, 3 Sep 2008 23:22:13 +0200
Cc: NANOG list <nanog@merit.edu>
Errors-To: nanog-bounces@nanog.org
On 3 sep 2008, at 23:08, Valdis.Kletnieks@vt.edu wrote:
>> Cases of partial transit, where B might repeat C's routes to peers
>> but not
>> to upstrem providers are not, AFAIK treated in the model.
> Ahh... that's the part I was missing. Thanks... (All the scenarios
> I though
> of were basically different partial transits...)
Well, _not_ announcing stuff as a rule doesn't break BGP convergence
so don't worry about it. :-)
(These Gao and Rexford guys are on to something... I ran their example
non-valley-free topology and it was still converging after 15000
iterations.)