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Re: [Per-Entity] A little MDQ mvp in AWS


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  • From: Patrick Radtke <>
  • To: "Cantor, Scott" <>
  • Cc: Christopher Hubing <>, Per-Entity Metadata Working Group <>
  • Subject: Re: [Per-Entity] A little MDQ mvp in AWS
  • Date: Thu, 13 Oct 2016 09:37:10 -0700
  • Ironport-phdr: 9a23:MVH5dhOMoInQ3MQ5gYcl6mtUPXoX/o7sNwtQ0KIMzox0KPz9rarrMEGX3/hxlliBBdydsK0UzbeN+Pm9EUU7or+/81k6OKRWUBEEjchE1ycBO+WiTXPBEfjxciYhF95DXlI2t1uyMExSBdqsLwaK+i76xXcoFx7+LQt4IPjuUs6X1pzvlrP6x5qGKS5Bgia6e/c6Fx6xsRmb/p0diI1+Lbx3kDPOuWYOduhLkzBGP1WWyi71+t2x950ryS1cp/Esv5pYWLngfq87ZbdZFi47KGE56cv3tAXSCwCI4y1PAS0tjhNUDl2dv1nBVZDrv36/77Il1Q==

On Thu, Oct 13, 2016 at 9:15 AM, Cantor, Scott
<>
wrote:
> What I noted on the last call was that CDNs seem to have a model that is
> very much specific to browsers: they don't care about HA for any given IP
> address

We'll face the same challenge for any architecture that use AWS
elastic load balancers. ELB dns records have TTL of 60 seconds so that
AWS can change them as they see fit, and the whole 'elasticity' part
is geared towards clients that use DNS correctly (e.g. not Java).

-Patrick



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