[140140] in North American Network Operators' Group
Re: Suspecious anycast prefixes
daemon@ATHENA.MIT.EDU (David Miller)
Tue May  3 09:42:25 2011
Date: Tue, 03 May 2011 09:42:14 -0400
From: David Miller <dmiller@tiggee.com>
To: nanog@nanog.org
In-Reply-To: <3EFFFC7D-08A3-42B3-8CD9-C06C935CB0D2@pch.net>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 5/3/2011 6:17 AM, Bill Woodcock wrote:
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> On May 2, 2011, at 12:35 PM, Joe Abley wrote:
>> It's perhaps worth noting that there is work in the IETF to recommend that every prefix originated as part of an anycast cloud uses a unique origin AS (see<http://tools.ietf.org/html/draft-ietf-grow-unique-origin-as-00>). I'm not personally convinced of the arguments in the draft, but mentioning it in this thread seems reasonable.
> I'm also not convinced of the arguments in the draft, since it argues that it would be a best-practice for me to originate my address space from more than 8,000 different ASNs, when I currently do just fine advertising it from three.  I'd much rather there not exist a document that clueless people can point at and claim is a "best common practice" when it's neither best nor common.
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>                                  -Bill
+1
We are not convinced and are not planning on implementing this draft either.
-DM