Expanding clouds isn't HA. Failover clusters isn't HA. The AWS outage a couple of weeks ago is demonstrable proof of that. HA is a process. HA is a design philosophy. This blog post is a few months old now, but it is worth reading specifically because of the AWS outage a few weeks ago.
http://techblog.netflix.com/2010/12/5-lessons-weve-learned-using-aws.html Specifically lesson #3. It works. How many Netflix users noticed problems with the service during the AWS outage? Not many. That and five bucks.... --Rich P. _______________________________________________ Discuss mailing list [email protected] http://lists.blu.org/mailman/listinfo/discuss
