1. JWS-QoS: QoS Support Infrastructure for Web Services By John Trafecanty Advisor: Jiang Guo

2. Web Service Composition

3. Continued

4. Goals JWS-QoS Software system  QoS metrics Performance Reliability Composition

5. QoS Defined Performance  How fast a service request can be completed. Execution Time  The number of failures per time period. SOAP Faults  Performance guarantee per number of simultaneous requests. Execution Time of Simultaneous Requests

6. Web Services

7. Open Source jUDDI 0.9rc4 Apache Tomcat 5.5.23 MySQL 5.0.27 UDDI4J 2.0.5 Apache Axis2 1.1 Apache Axis 1.4 WSDL4J JFreeChart 1.0.3

8. Architecture

9. Businesses By Service Search (XMethods Registry)

10. Available Services (Business: Walter Jones)

11. Service: Validate Email Address Service Operation: isValidEmail

12. QoS Dashboard

13. Complex Type Support

14. isValidEmail Request/Response

15. SOAP: isValidEmail test@somewhere.net

16. Performance of isValidEmail

17. Reliability

18. Capacity

19. Thank You.