Windows Server AppFabric 6.1 (64-bit) is a set of integrated technologies that make it easier to build, scale, and manage Web and composite applications that run on IIS. Windows Server AppFabric targets applications built using ASP.NET, Windows Communication Foundation (WCF), and Windows Workflow Foundation (WF). It provides out-of-the-box capabilities for you to easily build and manage composite applications including enhanced design and development tools in Visual Studio to build rich composite applications, management and monitoring of services and workflows via integration with IIS Manager and Windows PowerShell, and distributed in-memory application cache to improve application performance.
Windows Server 2008
||Microsoft .NET Framework 4, IIS Web Deployment tool, and Windows PowerShell 2.0.