Summary
Today, you have seen how Web Service protocols and application styles provide a future route for many application integration projects. Web Services provide a framework for the integration of internal or external applications using HTTP and XML. You have seen that Web Service protocols provide a better solution when exposing functionality for integration than existing RPC or Web mechanisms, and you have explored the Web Service functionality offered in J2EE.
You deployed a servlet-based JAX-RPC Web Service and then called this Web Service through a proxy generated from its WSDL. You deployed an EJB-based JAX-RPC Web Service and used the WSDL generated from it to create a Web Service client. You examined how state and lifecycle are handled ...
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