Windows Server AppFabric provides a premier hosting environment for hosting your WCF and WF services. Built on IIS 7.x and Windows Process Activation Services (WAS), your WCF and WF Services will instantly benefit from the hosting, monitoring, and caching capabilities provided by Windows Server AppFabric, including a number of features that were designed to allow you to get the most out of WF Services specifically.
WF Services combine a declarative, model-oriented approach to designing the logic flow of your services with the messaging capabilities of WCF. Together, WCF and WF provide some pretty powerful capabilities for designing and hosting long-running services that maximize resources while providing your users with a very responsive user experience.
Unlike WCF services, however, which simply require a host, and take advantage of the hosting and monitoring capabilities of Window Server AppFabric, WF services require additional capabilities that...