[113880] in North American Network Operators' Group
Re: IPv4 Anycast?
daemon@ATHENA.MIT.EDU (Patrick W. Gilmore)
Wed Apr 22 17:33:28 2009
From: "Patrick W. Gilmore" <patrick@ianai.net>
To: NANOG list <nanog@nanog.org>
In-Reply-To: <49EF8ACB.8000604@kl.net>
Date: Wed, 22 Apr 2009 17:33:23 -0400
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Apr 22, 2009, at 5:23 PM, Kevin Loch wrote:
> 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.
I know examples of both, although I will admit I did not know any v6
ones. :)
However, I'm just interested in global stats.
--
TTFN,
patrick
