What is Amazon Elastic Compute Cloud (EC2) and what are Amazon Machine Images?
Amazon EC2 provides compute capacity in the Cloud. It allows users to rent virtual machines by the hour. Using Amazon provided web services APIs, users can dynamically provision virtual machines to develop and deploy their applications. Click here for more information. An AMI is a virtual machine image that allows quick provisioning of a pre-installed and pre-configured Oracle software environment on Amazon EC2.