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

- 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

Web services interaction

Web services infrastructure

Web services Recommendations
Agenda for this session
-
Web Services Addressing 1.0: Testing Implementations of an Interoperable Technology
-
WSDL 2.0: ready for implementation
-
Semantic Annotations for WSDL 2.0
-
XML Schema Patterns for Databinding