The Amazon Elastic Compute Cloud (Amazon EC2) web service provides you with the ability to execute your applications in Amazon's computing environment. To use Amazon EC2 you simply: 1. Create an Amazon Machine Image (AMI) containing all your software, including your operating system and associated configuration settings, applications, libraries, etc. Think of this as zipping up the contents of your hard drive. We provide all the necessary tools to create and package your AMI. 2. Upload this AMI to the Amazon S3 (Amazon Simple Storage Service) service. This gives us reliable, secure access to your AMI. 3. Register your AMI with Amazon EC2. This allows us to verify that your AMI has been uploaded correctly and to allocate a unique identifier for it. 4. Use this AMI ID and the Amazon EC2 web service APIs to run, monitor, and terminate as many instances of this AMI as required. You can also skip the first three steps and choose to launch an AMI that is provided by Amazon or shared by another user. While instances are running, you are billed for the computing and network resources that they consume. You can also skip the first three steps and choose to launch an AMI that is provided by Amazon or shared by another user. While instances are running, you are billed for the computing and network resources that they consume.

AmazonEC2Client is an implementation of AmazonEC2; the client allows you to manage your AmazonEC2 resources.
If you want to use the AmazonEC2Client from a Medium Trust hosting environment, please create the client with an AmazonEC2Config object whose UseSecureStringForAwsSecretKey property is false.

Configuration for accessing Amazon EC2 service

Amazon EC2 Exception provides details of errors returned by Amazon EC2 service