北方电信事业部业务支撑系统一期工程网上电信营业厅系统工程技术建议书2002－9－8目录1前言...............................................................................................................................一三2公司背景...........................................................................................................................143总体方案描述...................................................................................................................143.1项目概述.................................................................................................143.1.1项目简介..........................................................................................143.1.2项目背景..........................................................................................143.1.3系统建设目标..............................................................................一五3.2总体方案设计.....................................................................................一五3.2.1总体方案概述..............................................................................一五3.2.2设计原则..........................................................................................163.2.3应用软件体系设计......................................................................一八3.2.3.1应用软件系统结构........................................................一八3.2.3.2应用系统功能结构............................................................203.2.3.3应用软件系统特点............................................................213.2.4系统网络方案..................................................................................233.2.4.1系统网络结构....................................................................233.2.4.1.1北方电信网络拓扑.....................................................233.2.4.1.2DMZ区（应用服务界面）.......................................233.2.4.1.3数据库区.....................................................................243.2.4.1.4InternalNetwork（内部网络）.................................243.2.4.2系统网络业务需求............................................................243.2.4.3交换机................................................................................243.2.4.4防火墙................................................................................273.2.5系统主机方案..................................................................................283.2.5.1主机系统需求分析............................................................283.2.5.1.1主机性能指标计算.....................................................283.2.5.1.2主机集群.....................................................................353.2.5.1.2.1集群方式..............................................................353.2.5.1.2.2集群连接..............................................................373.2.5.1.3其他PC服务器..........................................................373.2.5.2服务器性能参数................................................................373.2.5.2.1数据库服务器IBMH85.............................................373.2.5.2.2应用服务器IBMp630...............................................423.2.5.3双机软件HACMP.............................................................433.2.5.4其他配件....................................................................
