Applied Soa To Build A New Generation Of Enterprise Information Management System

In environment of internet rapidly developing and the modern enterprise pursuing high benefit, Service-Oriented Architecture (SOA) is a new kind of system architecture. It will bring huge influence for whole enterprise software architecture designing. It will apply program's different function component, and associate by the better service interface. The interface uses neutral way to define, in order to interact with all kinds of system services by a unified and general way. First, article has analyses Service-Oriented Architecture production and the present situation, proposed it will be able to apply in the new generation of enterprise information system.In chapter two, from the theory of Service-Oriented Architecture, points out the merit of this structure. The business has greatly agility, and acts service. Every service is a complete unit which manages the operation of a group of business entities.Service-Oriented Architecture representative technology-Web Services, is successfully applies it to the enterprise. Third chapter elaborates that standard of Web Services agreement brings the new turning point for the widespread and the promotion of SOA.In chapter four, the paper discusses enterprise uses SOA for mapping the information technology function to the business process, and achieves prearranges goal. Also needs to integrate oriented-object, it can provide us class and the object on the application program level, and has produced some preliminary design proposals according to the business example.As the most important chapter, according present enterprise information system level, the fifth chapter discusses the necessity of applying SOA to new generation of management information system. The enterprise present systems mostly are cross enterprise and cross region distributional system. The chapter studies the feasibility of integrating the existing enterprise information system by using SOA. It will help the enterprise information system designer rapidly and more reliable. Application of SOA is not one day or one night, it can bring infinite opportunity to the enterprise. In view of the present profession characteristic, SOA should be applied in enterprise at appropriate opportunity.The article finally proposes that SOA has very many merits as a kind of new system architecture. But, applying SOA right now has enormous risk at the technology, the management and the personnel idea. If it is applied in present information system, there will be long road to walk.