Platform as a Service (PaaS)
The Windows Azure platform provides a cloud services operating system and a set of services to support easy development and operation of applications for the platform. The platform provides functionality to build and manage applications that span from consumer Web to enterprise scenarios. Windows Azure and SQL Azure are the key components of the Windows Azure platform. Windows Azure is the development, service hosting, and service management environment for the Windows azure platform. SQL Azure provides data services, including a relational database, reporting, and data synchronization.