企业网建设必须经历两大阶段:企业网设计阶段和企业网实施阶段。前者是重点,也是难点,不可小视。在企业网设计阶段,主要完成企业网需求分析、企业网规划、企业网逻辑设计。网络需求分析就是全面调查和分析企业在信息技术方面的应用需求,然后从设计角度将这些需求转换成对企业网服务以及构造企业网的需求, Enterprise network construction must go through two major stages: corporate network design phase and corporate network implementation phase. The former is the key, but also difficult, can not be overlooked. In the enterprise network design phase, the main completion of enterprise network needs analysis, corporate network planning, corporate network logic design. Network demand analysis is a comprehensive survey and analysis of business applications in information technology needs, and then from the design point of view of these needs into the corporate network services and the construction of enterprise network needs,