Windows Communication Foundation
(WCF – formerly known as Indigo) provides a uniform way of developing
distributed applications by providing a service-oriented programming model. WCF
is the technology in .NET which is used to build Service Oriented Applications
(SAO), to exchange messages in various communication scenarios, and to run
workflows built from service operations.
WCF
has an elegant extensibility model which can be used to enrich the basic
offering. Most of the WCF functionality is included in a single assembly called
System.ServiceModel.dll,
located in the System.ServiceModel
namespace.
WCF provides a runtime environment
for services, enabling exposure of Common Language Runtime (CLR) types as
services and consumption of other services as CLR types. WCF is Microsoft’s
implementation of a set of industry standards defining service interactions,
type conversions, marshaling, and the management of various protocols.
Consequently, WCF provides interoperability between services.
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