Push-Style Ws-Notification System Based On Semantic Preserving

SOA (Service-Oriented Architecture) is a model of components, which combines different services (i.e. function units in an application) with well defined interface and protocal. According to the specific situation and the loose de-coupled demand in network environment, SOA could deploy, combine and manage those services. To reach the goal of loose de-coupled; the Mid-ware is widely used in SOA system. Especially, the publish/subscribe pattern is the prime choise in popular SOA system.For the SOA system in the Web environment, OASIS published the WS-Notification specific standards. The specification standardized the interfaces and services which must be implemented. It also unified interact operations between different publish/subscribe system.However, WS-Notification only standardizes basic functions of publish/subscribe system. For specific and complex situations, it is always not good enough to meet their demands. In the most popular SOA applications, users always wish the system push the notification messages to them. Further more, users would wish notification messages follow their semantic order. For two aspects above, the WS-Notification standards did not provide any solution.From the above, this thesis presents a push-style message delivery pattern based on WS-Notification and semantic preserving strategy which functions with push-style notification publish/subscribe system. Meanwile, we implement that system and select classic test case to verify our system. After analyzing the test data, we will get the conclusions of the performance of our system.