nanog mailing list archives
Re: well-known Anycast prefixes
From: Siyuan Miao <aveline () misaka io>
Date: Wed, 20 Mar 2019 01:56:08 +0800
A Well-known BGP community will be better. You'll need to rewrite next hop or do something similar if AnyCast prefixes are learnt from a multi hop BGP feed, and it made the configuration more complicated and difficult to debug. On Wed, Mar 20, 2019, 01:48 Fredy Kuenzler <kuenzler () init7 net> wrote:
Am 19.03.19 um 18:39 schrieb Bill Woodcock:On Mar 19, 2019, at 10:12 AM, Fredy Kuenzler <kuenzler () init7 net> wrote: I wonder whether anyone has ever compiled a list of well-known Anycast prefixes.I don’t know of one. It seems like a good idea. BGP-multi-hop might be a reasonable way to collect them. If others agree that it’s a good idea, and it’s not stepping on anyone’s toes, PCH would be happy to host/coordinate.Thanks for the effort, much appreciated. Am 19.03.19 um 18:40 schrieb Joe Provo:I think one would want that internal and no rely upon someone else maintaining it. You might check if Oracle followed up on the Renesys/Dyn work documented: https://dyn.com/wp-content/uploads/2014/07/NANOG59_Anycast.pdf ...where there were ~600 anycast v4 prefixes at the time.That's a lot %-] Maybe a well-known community (similar to RFC7999) could be defined and every Anycast operator could tag his prefixes? That's likely a better idea than manually maintain some list somewhere. -- Fredy Kuenzler Init7 (Switzerland) Ltd. AS13030 Technoparkstrasse 5 CH-8406 Winterthur Skype: flyingpotato Phone: +41 44 315 4400 Fax: +41 44 315 4401 Twitter: @init7 / @kuenzler http://www.init7.net/
Current thread:
- well-known Anycast prefixes Fredy Kuenzler (Mar 19)
- Re: well-known Anycast prefixes Bill Woodcock (Mar 19)
- Re: well-known Anycast prefixes Fredy Kuenzler (Mar 19)
- Re: well-known Anycast prefixes Siyuan Miao (Mar 19)
- Re: well-known Anycast prefixes Damian Menscher via NANOG (Mar 19)
- Re: well-known Anycast prefixes Joe Provo (Mar 19)
- Re: well-known Anycast prefixes Fredy Kuenzler (Mar 19)
- Re: well-known Anycast prefixes Bill Woodcock (Mar 19)
- Re: well-known Anycast prefixes Grzegorz Janoszka (Mar 19)
- Re: well-known Anycast prefixes Bill Woodcock (Mar 19)
- Re: well-known Anycast prefixes Bill Woodcock (Mar 19)
- Re: well-known Anycast prefixes Frank Habicht (Mar 19)
- Re: well-known Anycast prefixes Bill Woodcock (Mar 19)
- Re: well-known Anycast prefixes Frank Habicht (Mar 19)