Microsoft SharePoint Server on AWS Reference Architecture
Amazon has published a White Paper on how to use SharePoint services on AWS. It provides detailed technical guidance on how to configure, deploy, and run a SharePoint Server farm on AWS. If you are an IT administrator contemplating of moving your SharePoint to Amazon's cloud then this paper will guide you on how to set up and deploy the components of a typical SharePoint Server farm on AWS.
Read more here - http://aws.amazon.com/windows/sharepoint/architecturepaper/