关于wcf中一些重要词语解释

From a distant view, the service offers an                                                        
endpoint that is described by a contract, a binding, and an
address. The contract defi nes the operations offered by the
service; binding gives information about the protocol and
encoding; and the address is the location of the service.
The client needs a compatible endpoint to access the
service

SOAP — A platform-independent protocol that is the foundation of several web service specifi cations
to support security, transactions, reliability
➤ Web Services Description Language (WSDL) — Offers metadata to describe a service
➤ Representational State Transfer (REST) — Used with RESTful Web services to communicate across HTTP
➤ JavaScript Object Notation (JSON) — Enables easy use from within JavaScript clients