[113877] in North American Network Operators' Group
Re: IPv4 Anycast?
daemon@ATHENA.MIT.EDU (Kevin Loch)
Wed Apr 22 17:24:02 2009
Date: Wed, 22 Apr 2009 17:23:23 -0400
From: Kevin Loch <kloch@kl.net>
CC: NANOG list <nanog@nanog.org>
In-Reply-To: <478F6E4E-002A-465F-BB64-502213B3F180@ianai.net>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Patrick W. Gilmore wrote:
> On Apr 22, 2009, at 4:35 PM, Jack Bates wrote:
>> Zhenkai Zhu wrote:
>>> I just want to make sure if I understand correctly. You mean that the
>>> anycasted address space can be announced in different places yet with
>>> the same origin AS?
>>
>> Yes, and it is commonly done.
>
> I was under the impression anycast services with homogeneous origin AS
> was far more common than the heterogeneous. Almost all the instances I
> know of use homogeneous origin AS.
>
> I'd be interested in statistics either way.
192.88.99.0/24, 2002::/16, and 2001::/32 are some
notable examples of heterogeneous origin AS.
- Kevin
