[124182] in North American Network Operators' Group
Re: IPv4 ANYCAST setup
daemon@ATHENA.MIT.EDU (Florian Weimer)
Fri Mar 26 10:03:55 2010
To: Jeroen Massar <jeroen@unfix.org>
From: Florian Weimer <fweimer@bfk.de>
Date: Fri, 26 Mar 2010 14:03:22 +0000
In-Reply-To: <4BACB585.5040805@spaghetti.zurich.ibm.com> (Jeroen Massar's
message of "Fri\, 26 Mar 2010 14\:24\:21 +0100")
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
* Jeroen Massar:
> Simple recipe:
> - Box with:
> - Your favourite OS
> - Quagga or OpenBGPd
> - Your favourite DNS server
> - Announce the IP of the anycast node in BGP
> - Monitor the DNS server, when it does not work kill your local BGPd
> and notify the admins that it broke
This is fine if you just use BGP to indirectly hook into your IGP.
For global anycast, you need a sufficiently short prefix with no
non-anycast services on it. This can be difficult to justify for
newcomers.
--=20
Florian Weimer <fweimer@bfk.de>
BFK edv-consulting GmbH http://www.bfk.de/
Kriegsstra=DFe 100 tel: +49-721-96201-1
D-76133 Karlsruhe fax: +49-721-96201-99