Research And Application Of Enterprise Application Integration Technology Based On Soa

With the rapid development of Information Technology and Internet Technology, a large number of enterprise management information systems are developed to serve all kinds of companies, but it also brings the problem of "isolated islands of information". The technology of enterprise application integration is used to solve the problems of the information exchanging and the resource sharing between the heterogeneous systems, SOA-based enterprise application integration has become a main method and practice to solve the problem of "isolated islands of information".The IT application system of teaching quality and reform project application management of department of education of Zhejiang Province and the systems of teching quality and reform project application management of universities are dispersed in many places, these two level systems manage the project individually, the systems of unviersities cann’t directly submit the project to system of province and the informaiton cann’t exchange between these two level systems are the currently facing problems. The heterogenous integration platform of university project applcation is dvelopled to solve the problem of informations cann’t exchange betwwen system of province and systemes of univerisites, this platform is based on the SOA architecture of enterprise applicaiton integration technology, it’s realized by Web Service technology. The main work of research and development are as follows:1. Firstly, the history, present situation and the realization technology of enterprise application integration have been researched, next, the problems of traditional enterprise application integration have been pointed, then the method of using SOA framework to realize the enterprise application integration is proposed, finally, service description mechanism of WSDL, communicaiton mechanism of SOAP and service discovery mechansim of UDDI have been researched, these are the key tehcnologies of the web service, they are can be used for realization the SOA.2. Firstly, the requirement and application background of the heterogenous integration platform of university project applcation have been analyized, then the architecute of technical implementation of basis platform has been consided, after that the framework of SOA-SSH is proposed which is combined with design thought of SOA architecture, the system is divided into the database layer, data access layer, function component layer, service layer, business logic layer and presentation layer in this architecture.3. Firstly, the four major modules of the heterogenous integration platform of university project application are developed. Then the system is deployed in real environment.4. The method of compression and decompression of SOAP message and differential parsing of SOAP message is proposed to improve performance of Web Service. The implementation of protocol of WS-Atomic transaction two phases submit (2PC) is realized to control the transaction in the distributed environment of Web Services and ensure the consistency of data. The results of researches have been deployed in the real environement and obtained good results.