Application Research On Information System Integration Of Enterprise Information Management

On the information ages, faces to he information wave of rolling up the world, competitions of the world are more and more sever, the enterprise will face more uncertainty that the changeable outside environment bring to. It is necessary that enterprise should carry out enterprise information strategy. The information system integration has been hot concerned during carrying out enterprise information strategy. With the super-speed development of information constructed at the end period of last century, many enterprises have all kinds of management information systems, but they partly are some isolated islands, managing particular section work of enterprise, and lacking the valid correspondence mutually. Today's enterprise needs a integrative, open-end, customer-oriented and flexible information system, so they have the widespread demand of considering the integration of application system. Especially, with the appearances of he WEB and faces to the process of enterprises application system, enterprise more needs a integrative, open-end application information system.Enterprise application integration is not only enterprise IT section's technique problem, but also is the enterprise management idea change and organization construction innovation, is person, technique and organization integration problem. Establishing the integration information system is the strategy's target and mission of enterprise information construction, and the modem information technology also provides the more advanced tools for integration information system.Therefore, through researching nowadays enterprise integration information system problem, this thesis discovers some key problem that influences the information system application integration, and brings up some solutions.The thesis expounds present condition of enterprise integration information system, brings up the theories foundation and method of integration information system. The author describes two dimension degrees of integration information system, points out the important meaning of enterprise information systemintegration. Based on the deep analysis of the practice of China enterprise information construction, the writer exposes some key problem that influences the information system application integration. The writer brings forward the thoughtful of "software" integration in the information system integration, brings up strategy of information system integration and the change of organization construction, and so on.The thesis sums up primarily support technology of enterprise application integration, detailed introduces the data integration and system integration technology between application system. Such as Internet/Intranet/Extranet technology, three tier B/S(Browser/Server) system construction mode, WEB, XML, SOAP etc.. Based on Internet/Intranet/Extranet, the writer sets up the enterprise information organization and integration application mode. Based on XML/SOAP, the writer sets up integration application frame of electronic commerce system and ERP system, and introduces to the practicable principle of integration system, brings up some main information safety strategy.At the end of the article, the writer introduces a applied example of the enterprise information system synthesized integration, in order to provide the theories and technology help to China enterprise information construction.