What does this technology do?

In addition to being an operating system platform, Windows Server provides features such as Microsoft Message Queuing (MSMQ), Microsoft Distributed Transaction Coordinator (MSDTC), and Internet Information Services (IIS) for hosting ASP.NET applications and performance counters that monitor infrastructure; all of which make it easy to host web, desktop services and applications. The WCF framework is slowly becoming the de facto technology for distributed applications. Windows Workflow Foundation (WF), as a technology, enables automating long running processes, which could involve human and software interaction. Both WCF and WF have undergone improvements in the 4.0 release of the .NET Framework.

At its core, Windows Server is Microsoft's application server. Windows Server runs applications like IIS, custom .NET components, and Web Services. When adding the existing application server role inside Windows Server, the .NET Framework is added with the option...