Discussion and Conclusions

• To realize the Web services stack, the following standards efforts are needed

  • Reliable messaging support over XMLP
  • End-to-end security model
  • Service descriptions, end-point descriptions and business process compositions
  • Transactional support via activities and conversations
  • Extending directory functionality in UDDI and enabling flexible query and &#-109;look up&#-108; of services
  • Propagating application context in service interactions