Windows Server Code Name "Longhorn" Beta 3 available for download now!
Download to evaluate it at http://www.microsoft.com/windowsserver/longhorn/audsel.mspx. Besides other features, it also includes Internet Information Services (IIS) 7.0, which provides the benefits of running a WCF service on the internet using various transport protocols such as TCP, Named Pipes and MSMQ in addition to HTTP. This MSDN article talks about various hosting options for a WCF service - from running a service inside a Console Application, Windows Forms Applications to running within a worker process managed by IIS or by Windows Process Activation Services (WAS).
