OT: Load Balancing & redundancy using Multiple A records

Peter Peters P.G.M.Peters at utwente.nl
Fri Nov 23 18:25:08 GMT 2007

Hash: SHA1

shuttlebox wrote on 23-11-2007 13:38:
> On Nov 23, 2007 12:13 PM, Steve Freegard <steve.freegard at fsl.com> wrote:
>> It works, but don't expect it to load balance well.  For that you really
>> do need a proper load-balancer that can examine metrics of each of the
>> back-end systems and direct connections to them accordingly.
> I use this method both on the public (many-to-few) and the private
> side (few-to-few) of the network and it works real well. Over a months
> worth of traffic I see a difference of only 1-2%.

The only differences I see are Exchange (and other windows mailservers).
They tend to do one lookup and keep that info until the application on
the Windows server is restarted.

- --
Peter Peters, Teamleider Unix/Linux-Beheer
Universiteit Twente, Postbus 217, 7500 AE Enschede
Telefoon 053 489 2301, Fax 053 489 2383,
P.G.M.Peters at utwente.nl, http://www.utwente.nl/icts
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