global server load balancing / limit number of response records

Barry Margolin barmar at alum.mit.edu
Thu Oct 20 21:24:57 UTC 2005


In article <dj8u58$1g19$1 at sf1.isc.org>,
 Timo Proescholdt <proescho-bind at cip.informatik.uni-muenchen.de> wrote:

> Hi Folks,
> 
> I wonder wether the following is possible to configure in bind9.
> 
> Is it possible to limit the number of A / AAAA records returned to a query
> for an address that has multiple A / AAAA records configured.
> Standart behavior is that the records are shuffled 
> (according to ordering the scheme ), and returned altogether . 
> What I want now is that the shuffling takes place, but all but the very first
> record are 'cut off' so that the aperance of an address with just one A record
> is created. (which changes according to the shuffling scheme).
> 
> AFAIK this is sometimes referred to as 'global server load balancing'.

You can't do it with BIND, but you can probably do it with most of the 
DNS servers that are specialized for supporting GSLB, e.g. Distributed 
Director.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***



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