F.WCF Extensibility

Extensibility is very important feature of any framework and WCF has a lot of extensibility points, Carlos Figueira has posted a full series of blog post on MSDN, Below are the consolidated links from his blog post http://blogs.msdn.com/b/carlosfigueira/archive/2011/03/14/wcf-extensibility.aspx

1. Service model extensibility

1.1. Behaviors

1.1.1. IServiceBehavior

1.1.2. IContractBehavior

1.1.3. IEndpointBehavior

1.1.4. IOperationBehavior

1.2. WCF Runtime

1.2.1. Message interception

1.2.1.1. I[Client/Dispatch]MessageInspector

1.2.1.2. IParameterInspector

1.2.2. Mapping between message and operation parameter

1.2.2.1. I[Client/Dispatch]MessageFormatter

1.2.3. Mapping between message and CLR operations

1.2.3.1. I[Client/Dispatch]OperationSelector

1.2.3.2. IOperationInvoker

1.2.4. Instance [context] creation / initialization

1.2.4.1. IInstanceProvider

1.2.4.2. IInstanceContextProvider

1.2.5. Error handling

1.2.5.1. IErrorHandler

1.2.6. Others

1.2.6.1. Initializer interfaces (IInstanceContextInitializer / IChannelInitializer / ICallContextInitializer)

1.2.6.2. IInteractiveChannelInitializer

1.3. Exposing / consuming metadata

1.3.1. IWsdlExportExtension

1.3.2. IWsdlImportExtension (and IOperationContractGenerationExtension / IServiceContractGenerationExtension)

1.3.3. IPolicy[Import/Export]Extension

1.4. Configuration

1.4.1. BehaviorExtensionElement

1.4.2. BindingElementExtensionElement / StandardBindingElement / StandardBindingCollectionElement

1.5. Web Hosting

1.5.1. ServiceHostFactory

1.6. WCF REST (3.5 / 4.0 model)

1.6.1. QueryStringConverter

1.6.2. Extending WebHttpBehavior

1.7. Others

1.7.1. Extensible objects: IExtensibleObject<T> and IExtension<T>

2. Channel extensibility

2.1. Protocol channels (client)

2.2. Protocol channels (server)

2.3. Message encoders

2.4. Transport channels

2.4.1. Request transport channels - part 1 (synchronous path)

2.4.2. Request transport channels - part 2 (interaction with runtime extensions)

2.4.3. Request transport channels - part 3 (asynchronous path)

2.4.4. Reply transport channels

2.4.5. Duplex transport channels

3. Serialization extensibility

3.1. Serialization callbacks (On[Ser/Deser]ializ[ing/ed])

3.2. IDataContractSurrogate

3.3. DataContractResolver

3.4. IExtensibleDataObject / IDeserializationCallback / IObjectReference

4. Miscellaneous extensibility scenarios

4.1. Hooking into the tracing mechanism

4.2. Custom serialization in Silverlight 4

4.3. Extensibility in Windows Phone / Silverlight 3

4.4. WCF RIA Services