Look at Azure Services Platform

The Azure Services Platform includes the foundation layer of Windows Azure along with a set of developer services. It includes following Developer Services: Microsoft .NET Services - It a set of Microsoft-hosted, highly scalable, developer-oriented services that provide key building blocks required by many cloud-based and cloud-aware applications. Microsoft SQL Data Services - are highly scalable, on-demand data storage and query processing utility services built on SQL Server and Windows Server. Live Services - It is a set of building blocks within the Azure Services platform for handling user data and application resources.