Example of use of Web services
Web merchant
- Miscellaneous partners
- Credit card companies
- Manufacturers
- Delivery services
- Use services from those partners to do business with customers
- Desires well-defined and easy integration with those services
Web services: main characteristcs
![WS2 brochure front page](brochure.png)
- XML-based messages
- for platform-independent machine processing
- Machine-processable descriptions
- facilitating integration
- Framework focused on extensibility
- providing loose coupling and maximizing interoperability
Traditional Web interaction
![Traditional Web interaction](web_html.png)
Web services interaction
![Web services interaction](web_service1.png)
Web services infrastructure
![Stack of W3C technologies](wsa-stack-big.png)
Web services Recommendations
Agenda for this session
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Web Services Addressing 1.0: Testing Implementations of an Interoperable Technology
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WSDL 2.0: ready for implementation
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Semantic Annotations for WSDL 2.0
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XML Schema Patterns for Databinding