Load balancer for Bind

[Matthew Pounsett]

On 14 September 2016 at 12:17, Job <Job at colliniconsulting.it> wrote:

> Hello,
>
> which is the best load balancer for two or more Bind DNS Server, located
> in the same farm?
> I read something about HAProxy but it does not manage udp connection and
> the interesting security proxy/balancer DnsDist does not pass original
> client ip for Bind-DLZ...
>
> Your best option is something that can do the job statelessly.  As Warren
says, anything that keeps state (firewall, load balancer, etc.) becomes a
DoS target... or, at best, becomes the thing that runs out of resources
before your network or your DNS servers do.

Mostly that means using a routing protocol to do LAN-scope Anycast via
ECMP.  ISC has a technote that explains how to do it.
<http://ftp.isc.org/isc/pubs/tn/isc-tn-2004-1.html>
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