Saturday, 4 May 2013

Message and Channel | WCF Tutorial pdf

Message
WCF Message is the unit of data exchange between client and ser vice. It consists of several parts, including a body and headers.

WCF Runtime
WCF runtime is the set of object responsible for sending and receiving message. For example formatting the message, applying security and transmitting and receiving message using various protocol.

Channels:
Channels are the core abstraction for sending message to and receiving message from an Endpoint. Broadly we can categories channels as Transport Channels
- Handles sending and receiving message from network. Prot ocols like HTTP, TCP name
pipes and MSMQ.

Protocol Channels
- Implements SOAP based protocol by processing and possibly modifying message.
E.g. WS - Secur ity and WS-Reliability.

 

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