Extending the Channel Layer

The channel layer is responsible for the exchange of messages between clients and services. Channel extensions can implement new protocol functionality, such as security, or transport functionality, such as implementing a new network transport to carry SOAP messages.

In This Section

• Channel Model Overview
  Provides a high-level overview of what channels are, the features that they provide and how they work both in a service and a client application.

• Developing Channels
  Describes in depth the roles that the various channel infrastructure types play, how the state engine and state lifecycle works, how to handle exceptions and faults, how to implement metadata support, and how channels work with message encoders.

• Custom Encoders
  Describes the role that message encoders play in channels and how to build one.

• Custom Stream Upgrades
  Describes the process of upgrading the streams provided by stream-oriented transports.

Build Date: 2011-06-25