That's the theory (or the marketing pitch, depending upon perspective). The reality can be rather different[1][2][3]. 1. http://money.cnn.com/2011/04/21/techn

That's the theory (or the marketing pitch, depending upon perspective). The reality can be rather different[1][2][3]. 1. http://money.cnn.com/2011/04/21/technology/amazon_server_outage/ http://money.cnn.com/2011/04/21/technology/amazon_server_out... 2. http://www.zdnet.com/article/amazon-web-services-suffers-outage-takes-down-vine-instagram-others-with-it/ http://www.zdnet.com/article/amazon-web-services-suffers-out... 3. http://www.theregister.co.uk/2015/09/20/aws_database_outage/ http://www.theregister.co.uk/2015/09/20/aws_database_outage/