We have been running Windows Server 2008, IIS 7.5 and we're just about to open our data using WCF services. Before we do that, we need to host our services on IIS but I've heard from friends in the business that it's not a good idea using WCF services. But one of my friends told me to use the Windows Server AppFabric. Has anyone used that before? If so, what's your experience with AppFabric? Thanks for all the help.