[140335] in North American Network Operators' Group
Re: Suspecious anycast prefixes
daemon@ATHENA.MIT.EDU (Randy Bush)
Tue May 10 03:50:46 2011
Date: Tue, 10 May 2011 09:51:37 +0200
From: Randy Bush <randy@psg.com>
To: "Yaoqing(Joey) Liu" <joey.liuyq@gmail.com>
In-Reply-To: <BANLkTika=CG=0H_c6+spoCE-2X02c_AoYQ@mail.gmail.com>
Cc: bmanning@vacation.karoshi.com, nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
> I might not explain the background clearly and confused people. We're
> doing research on multiple origin AS issue, and we want to confirm if
> our inference is correct based on history data we collected. For
> example, we found several hundreds of prefixes with multiple origins
> more than two, some of them were inferred as anycast using our
> methodology, but we're not positive with the conjecture, so we want to
> find the ground truth from operators. Thanks for the detailed
> explanations.
the ucla obsession with multiple-origin announcements has a long
history. the problem is that you think you can make something that
looks forward. but how will you decide if tomorrow's announcement of
P from A0 and A1 is anycast, ops kink, or an actual mis-announcement?
randy
