[181206] in North American Network Operators' Group
Re: Anycast provider for SMTP?
daemon@ATHENA.MIT.EDU (Nick Hilliard)
Thu Jun 18 15:56:06 2015
X-Original-To: nanog@nanog.org
X-Envelope-To: nanog@nanog.org
Date: Thu, 18 Jun 2015 20:54:38 +0100
From: Nick Hilliard <nick@foobar.org>
To: Joe Abley <jabley@hopcount.ca>, =?UTF-8?B?Sm9uYXMgQmrDtnJr?=
 <mr.jonas.bjork@me.com>
In-Reply-To: <DD2CBC7E-2D13-4DBB-9235-9A3B712B7D19@hopcount.ca>
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
On 18/06/2015 20:51, Joe Abley wrote:
> Since DHCP uses broadcast and multicast addresses when a client is
> discovering a server, it's not obvious why you'd have to.
most non trivial (i.e. routed networks) would use dhcp relay, in which case
anycast dns could be argued to make some sense.  TBH, the OP would be
better off with multiple unicast installations with backup configured.
Most decent quality dhcp implementations can operate in active/failover mode.
Nick