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1. Bus: This is the backbone of the Apache CXF architecture.
2. Front-ends: Front-ends provide a programming model to create services.
3. Messaging & Interceptors: These provide the low level message and pipeline layer upon which most functionality is built.
4. Services: Services host a Service model which is a WSDL-like model that describes the service.
5. Pluggable Data Bindings: ...
6. Protocol Bindings: Bindings provide the functionality to interpret the protocol.
7. Transports: Destinations and Conduits make up the transport abstraction that CXF uses to achieve transport neutrality.
8. Endpoints: ...

We'll take a look at each layer in turn and examine how they work together.

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The most common MessageObserver used in CXF is the ChainInitiationObserver. This takes the incoming message, creates a message Exchange & PhaseInterceptorChain, then starts the chain.

Endpoints

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Putting it all Together

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