Microsoft has released Microsoft AppFabric 1.1 for Windows Server

AppFabric is a set of integrated technologies that make it easier to build, scale, and manage Web and composite applications that run on IIS. 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
Distributed in-memory application cache to improve application performance

AppFabric allows developers to build their next-generation composite applications, and for administrators to host and manage them. It integrates technologies previewed as code name "Dublin" and code name "Velocity".

The following AppFabric Caching features have been added in this release:
Read-through and write-behind provider support
Graceful shutdown
Domain account support
New ASP.NET session state and output caching providers
Compression
Multiple cache client application configuration sections

  Microsoft AppFabric 1.1 for Windows Server