Dynamic Web service invocation based on UDDI

With the development of Web technology and e-business, Web service has been widely accepted by industry and academic research. How to find and integrate existing Web service has become more and more important. Usually service requestor finds Web service from UDDI registry center and invokes it directly as described in service-oriented architecture. But it's difficult for an enterprise user to dynamically invoke the most appropriate Web service among a series of services with the same function. This paper briefly introduces service-oriented architecture and discusses advantages and disadvantages of UDDI, then puts forward a dynamic Web service framework that extends the service-oriented architecture. Finally the paper analyzes the applicability and characteristics of the new framework