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Re: [Per-Entity] distribution of aggregate metadata


Chronological Thread 
  • From: "Cantor, Scott" <>
  • To: Patrick Radtke <>
  • Cc: Nick Roy <>, Rhys Smith <>, "Thomas Scavo" <>, Per-Entity Metadata Working Group <>
  • Subject: Re: [Per-Entity] distribution of aggregate metadata
  • Date: Thu, 11 Aug 2016 00:12:47 +0000
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On 8/10/16 8:08 PM, Patrick Radtke wrote:
>
> I've spent part of the afternoon reading through outage reports for
> CDNs and 5 9s only seems possible for short time frames. Akamai had a
> 75 minute outage in 2011
> (https://gigaom.com/2011/08/08/akamai-dns-issue/). Limelight's CDN had
> a 76 minute outage in 2014
> (http://blog.streamingmedia.com/2014/07/limelights-network-outage.html).
> AWS's CDN has a 2 hour outage in 2014
> (http://www.theregister.co.uk/2014/11/27/aws_cloudfront_wobbles_at_worst_possible_time/).
> Interestingly Akamai and AWS faulted DNS for their outages.

Of course, usually one extended outage is much, much better than
constant short ones. I'm more interested in monthly or weekly than annual.

Which is what you were saying, and I agree, the distribution matters a
great deal. But there has to be a metric, or only the most conservative
position can be taken.

-- Scott



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