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

• September 2000: Start of the work on an XML-based protocol
• June 2003: SOAP 1.2
• January 2005: XOP and MTOM
• May 2006: Web Services Addressing 1.0

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