With the extension of enterprise business and the increasing requirement in distributed application, the implementation of information system becomes more difficult which may lead to larger failing possibility of project.How to develop an effective and strong system and how to enhance its reliability and maintainability are questions fordiscussion. As a result, the component-based software development approach is proposed. In this paper, we introduceone of those architectures and give a developing methods based on Corba components with a realistic example, and discuss the process of developing distributed information system. We raise a new information system-oriented component model and the component design methodology, which are analyzed with formal description.
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