This lecture describes a vision in which programs written in different languages, running on different platforms, and connected via different network transports can discover one another and communicate.

• The SOA Vision and the protocol infrastructure
• Terminology: service, port, binding, port-type, operation, message, part.
• Reading a WSDL and identifying tns, service, and port
• Building a client using a platform: AXIS
• Building a client from scratch: SOAP

• Deploying a web service
• Data persistence
• XSD Returns
• Complex Returns

• Read Chapter 9.
• Take a tour of some wsdl documents (xmethods, strikeiron, fraudlabs, etc.) and become familiar with their contents.
• Create a client of our First Web Service; see the Resource Directory.
• Create your own web service and deploy it