About WCF (Window Communication Foundation )
WCF is used to build connected service oriented
application and to build unified Web Services and other distributed system that
can communicate.
As basically WCF is used for cross language
communication for that purpose WCF uses SOAP (Simple Object Access Protocol. It
extensively uses interface based programming technology as it begin by defining
the interface that model the functionality.
WCF specially work to solve following tasks :-
Key Aspects in WCF are Interface and XML Web
Services.