Message
WCF Message is the unit of data exchange between client and service.
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. Protocols like HTTP, TCP name pipes and MSMQ.
Protocol Channels
- Implements SOAP based protocol by processing and possibly modifying message. e.g. WS-Security and WS-Reliability.
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