Load Balancer for DNS

[Faehl, Chris]

Load-balancers are used for redundancy as well as performance management. In the case of DNS, one way it might be used is to shunt client requests to the servers that are up, thus side-stepping client-side resolve timeouts. 

Chris Faehl

-----Original Message-----
From: bind-users-bounces+cfaehl=rightnow.com at lists.isc.org [mailto:bind-users-bounces+cfaehl=rightnow.com at lists.isc.org] On Behalf Of Lightner, Jeff
Sent: Monday, April 05, 2010 9:04 AM
To: Alan Clegg; bind-users at lists.isc.org
Subject: RE: Load Balancer for DNS

That answer seems to imply that when load is high enough on existing
caching servers the traffic will go to the others.   Is that the case?
At what point does this occur?

-----Original Message-----
From: bind-users-bounces+jlightner=water.com at lists.isc.org
[mailto:bind-users-bounces+jlightner=water.com at lists.isc.org] On Behalf
Of Alan Clegg
Sent: Monday, April 05, 2010 10:58 AM
To: bind-users at lists.isc.org
Subject: Re: Load Balancer for DNS

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On 4/5/2010 2:06 AM, sasa sasa wrote:
> Hello everyone,
> 
> Any one used any load balancer for DNSs? any recommendation? it's 2
> caching-only DNSs, and I'd like to make a load balance between them
> using software.

I would recommend that before adding "load balancers" that you consider
the problem that you are actually attempting to solve.

For the cost of a "load balancing solution" you might be able to deploy
more caching servers that would probably work better in the long run..

AlanC
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