[prakash]

At Cedexis, we compared cloud performance using 15 billion measurements from actual end-users in 220 countries and 23,800 networks between:

- Amazon, Rackspace, Joyent, Google App Engine and Azure and

- How do EC2's East, West, EU & APAC zones compare

http://dl.dropbox.com/u/1898990/76-marty-kagan.pdf

Drop me a note if you are interested in additional information, a similar test for your website -- prakash at cedexis.com