目录第一章概述..................................................................................................................................-3-1.1项目背景...................................................................................................................................-3-1.2项目意义...................................................................................................................................-3-1.3项目内容...................................................................................................................................-4-第二章需求分析..........................................................................................................................-5-2.1总体需求...................................................................................................................................-5-2.2网络需求...................................................................................................................................-6-2.3业务需求...................................................................................................................................-6-2.4功能需求...................................................................................................................................-8-2.5性能需求...................................................................................................................................-9-第三章系统设计........................................................................................................................-10-3.1设计原则.................................................................................................................................-10-3.2总体设计.................................................................................................................................-11-3.3拓扑结构.................................................................................................................................-12-3.4资源规划..................