[91135] in North American Network Operators' Group
RE: DNS Based Load Balancers
daemon@ATHENA.MIT.EDU (David Schwartz)
Wed Jul 5 13:31:18 2006
From: "David Schwartz" <davids@webmaster.com>
To: "Lincoln Dale" <ltd@interlink.com.au>,
"John Payne" <john@sackheads.org>
Cc: <nanog@merit.edu>
Date: Wed, 5 Jul 2006 10:29:58 -0700
In-Reply-To: <98E1C7EB-9408-4CDA-AEF4-CD69D5C4BDD5@sackheads.org>
X-MDaemon-Deliver-To: nanog@merit.edu
Reply-To: davids@webmaster.com
Errors-To: owner-nanog@merit.edu
John Payne wrote:
> On Jul 5, 2006, at 5:18 AM, Lincoln Dale wrote:
> > utopia would be for DNS to be enhanced in some manner such that the
> > 'end
> > user ip-address' became visible in the DNS request.
> > utopia would have NAT devices which actually updated that in-place
> > so an
> > authoritive nameserver always authoritively _knew_ the public ip-
> > address of
> > where the request was coming from.
> That would kill all cacheability of DNS.
Only if you envision an extension that adds an 'end user IP address' to the
query and doesn't add a 'scope of cacheability' to the reply. I admit it's
possible that an extension could be bungled that badly, but not likely.
DS