WCF Programming Model

Disadvatage:

1. Disadvantage is that only HTTP protocol could be used.
2. Another disadvantage is all the service will run on the same port.

WCF Programming Model:

WCF service have three parts  .Service,End Point,Hosting

Service  it is a class written in a .net language which have some method.service have one or more endpoint

Endpoint means communicate with client.end point have 3 parts  'ABC':

·         'A' for Address,

·         'B' for Binding

·         'C' for Contracts.

Address(WHERE): Address specifies the info about where to find the service.

Binding(HOW): Binding specifies the info for how to interact with the service.

Contracts(What): Contracts specifies the info for how the service is implemented and what it offers.