Study On Business Process Integration Of The Railway Information Sharing Based On SOA

With the development of China railway informationization, the information sharing demands for the railway system become more and more intense. "Information Island" and some other problems which consist in the railway information system have hindered the developing of railway informationization. The problem that railway information sharing needs to be solved quickly.To found the railway information sharing platform has been lodged in the latest informationization programming of Ministry of railway of China. Nowadays, the information technique changes quickly. How to found the platform and what kinds of architecture would be chosen? It is a question that need to research aborative. The service-oriented architecture (SOA) is very popular now. The idea of service-oriented can made good effort on the coordinating of the existing railway information system source. And under SOA, the existing system needn't to rebuild their function and framework. It means that, the railway information sharing platform based on SOA can solve the information sharing problem of the complex railway information system.Business process integration is a method to achieve SOA. Its main idea is to compose several Web service which come from difference system and to create new Web service with new function. All the process is based on the particular businiss rules.The main work content of this paper include: First, creately bring the idea of business process integration which is service-oriented into the railway information share area. Give out a new method to solve the railway information share problem. Second, according to the characteristic of business process integration and BPEL, demonstrate the feasibility of using this method to solve the railway information share problem. Last, realize four new functions which accord with the needs of railway information share by using the method of business process integration. Use examples to improve that conceiving SOA by BPEL is an effective project of solving the railway information share problem.