Research And Implementation Of Convergent Service Creation Method Support For Dynamic Service Composition

The integration in both network and services bring more intelligent challenges for services creation as well as the broader value-added space. Services are concerned by people as the key issues in NGN. It becomes an important research topic in NGN that how to make the development of new services quickly and effectively, meeting users'personal and diverse demand, and adapting to the dynamic change brought by service context.This paper proposed to combine the advantages of dynamic web service composition and MDA-based service creation, after study of current major services creation and service composition methods. We prefer to adopt a user-centric, context-driven business logic modeling method, embed dynamic seeds in business creation phase. Composite service process translated from the business logic model by a model transform engine can response to users'personal choice and context changes dynamically when it is resolved and executed by intelligent agent. This paper focused on the dynamic information embedded business modeling methods and the design and implementation of the transform engine. Finally, we illustrate a health monitoring business to validate the correctness and effectiveness of the creation method.