On Sun, Jul 1, 2012 at 11:38 AM, Jay Ashworth <j...@baylink.com> wrote:
> Not entirely. Datacenters do go down, our best efforts to the contrary > notwithstanding. Amazon doesn't guarantee you redundancy on EC2, only > the tools to provide it yourself. 25% Amazon; 75% service provider > clients; > that's my appraisal of the blame. > >From a Wired article: > That’s what was supposed to happen at Netflix Friday night. But it didn’t > work out that way. According to Twitter messages from Netflix Director of > Cloud Architecture Adrian Cockcroft and Instagram Engineer Rick Branson, it > looks like an Amazon Elastic Load Balancing service, designed to spread > Netflix’s processing loads across data centers, failed during the outage. > Without that ELB service working properly, the Netflix and Pintrest > services hosted by Amazon crashed. http://www.wired.com/wiredenterprise/2012/06/real-clouds-crush-amazon/ The GSLB fail-over that was supposed to take place for the affected services (that had configured their applications to fail-over) failed. I heard about this the day after Google announced the Compute Engine addition to the App Engine product lines they have. The demo was awesome. I imagine Google has GSLB down pat by now, so some companies might start looking... ;-] --steve