On Jul 2, 2012, at 11:59 AM, Paul Graydon wrote:

> back-plane / control-plane was unable to cope with the requests.  Netflix 
> uses Amazon's ELB to balance the traffic and no back-plane meant they were 
> unable to reconfigure it to route around the problem.

Someone needs to define back-plane/control-plane in this case. (and what wasn't 
working)

During the height of the problems, what I saw was a Netflix A record pointing 
at a broken ELB. If there was an ELB to point to in another AZ, it wouldn't 
take anything from Amazon to change that A record, as Netflix uses ultradns.

-j

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