How to choose right WCF binding?

Binding in WCF defines how clients can connect with your service. The base class for all bindings in WCF is System.ServiceModel.Channels.Binding. A Binding includes definition for WS-* protocols used, the message encoding and the transport protocol. The available WCF Bindings are wsHttpBinding basicHttpBinding netTcpBinding netNamedPipeBinding netMsmqBinding wsDualHttpBinding

Consider the following scenarios when your are choosing the WCF Binding

• Consider using wsHttpBinding when you need to support clients over the Internet.
• Consider using basicHttpBinding when you want to expose your WCF service to legacy clients.
• Consider using netTcpBinding when you want to support clients over the Intranet.
• Consider using netNamedPipeBinding when you want to support WCF clients on same machine.
• Consider using netMsmqBinding when supporting disconnected queued calls.
• Consider using wsDualHttpBinding when you need to support bi-directional communication between WCF Service and WCF Client.

Custom Binding – You can create custom binding in WCF configuration file and select set of binding elements in order and these elements refer to the transaction, reliable message, security , encoding formats and transport protocol.  

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