In his 15 Ways to Tell Its Not Cloud Computing post, James Governor asserts that:
“If you know where the machines are… its not a cloud.”
I took issue with this in a comment on his post.
And today, Amazon EC2 makes me feel smug:
“Availability Zones give you additional control of where your EC2 instances are run. We use a two level model which consists of geographic regions broken down into logical zones.”