How does Amazon EC2 compare to shared web hosting?
elsewhen: we just ran some extensive testing to move a highly trafficked website from a cluster of dedicated servers (at theplanet) to ec2.  note that our application is to use ec2 as a real-time web server.  the bottom line:dedicated servers allow for much faster ip takeover (critical for high-availability) and had lower latency.  ec2 rocks for scalability.in the end we decided to hold off on ec2 until they address these 2 deficiencies.