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From: Jason Dixon (jason
dixongroup.net)
Date: Mon Aug 27 2007 - 08:14:46 CDT
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On Mon, 27 Aug 2007 05:03:40 -0700 (PDT), reje <x31_thinkpadyahoo.com> wrote:
> Hi there,
>
> I'm wondering is there a way to scale DNS service
> using OpenBSD's CARP and loadbalancing/pool features
> of pf ? How about hoststated(8) ? (as I know
> hoststated(8) doesn't support UDP right now)
Is it really necessary to balance your DNS load across multiple servers? The DNS infrastructure was designed with redundancy in mind. Are you answering so many queries that it's necessary to spread the load across multiple servers behind the same virtual address? Seems very unlikely. DNS is a very low-overhead protocol; I would expect your firewall pool to suffer before your DNS servers.
Sorry, I know this doesn't answer your question but it smells like you're over-engineering.
--
Jason Dixon
DixonGroup Consulting
http://www.dixongroup.net
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