What is WCF?

WCF – Windows Communication Foundation is a framework for building Services with the .NET Framework.
It is an implementation of various Web Service Standards.
It unifies the current distributed development programming models

• .NET Framework Remoting
• .NET Enterprise Services
• ASP.NET Web Services (ASMX)
• ASMX + Web Service Extensions (WSE)
• Microsoft Message Queue (MSMQ)

It was code named “Indigo”.