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Re: Return two locations or low TTL [was: DNS caches that support partitioning ?]
From: "Dobbins, Roland" <rdobbins () arbor net>
Date: Mon, 20 Aug 2012 10:49:44 +0000


On Aug 20, 2012, at 5:24 PM, Patrick W. Gilmore wrote:

But I do not think returning multiple A records for multiple datacenters is as useful as lowering the TTL.

Some folks do this via various GSLB mechanisms which selectively respond with different records based on the assumed 
relative topological distance between the  querying resolver and various server/service instantiations in different 
locations.

-----------------------------------------------------------------------
Roland Dobbins <rdobbins () arbor net> // <http://www.arbornetworks.com>

          Luck is the residue of opportunity and design.

                       -- John Milton



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