North American Network Operators Group

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RE: DNS Based Load Balancers

  • From: David Schwartz
  • Date: Wed Jul 05 13:33:20 2006

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.