[73735] in North American Network Operators' Group
Re: DNS Anycast as traffic optimizer?
daemon@ATHENA.MIT.EDU (Duane Wessels)
Wed Sep 1 19:39:30 2004
Date: Wed, 1 Sep 2004 17:36:07 -0600 (MDT)
From: Duane Wessels <cee4@packet-pushers.com>
To: Steve Francis <sfrancis@fastclick.com>
Cc: nanog@nanog.org
In-Reply-To: <41365A82.1050206@fastclick.com>
Errors-To: owner-nanog-outgoing@merit.edu
> So there is no need to anycast the DNS servers and rely on BGP topology for
> selection.
> Instead use bind's behaviour so that each resolving nameserver will be
> querying the authoritative nameserver that responds the fastest.
However, note that only BIND does this. djbdns always selects
nameservers randomly and the Windows selection algorithm is somewhat
of a mystery. See http://www.nanog.org/mtg-0310/wessels.html
Duane W.
