目 录 1 概述................................................................................................................ 1 1 1 .1 建设背景 ................................................................................................. 1 1 1 .2 系统现状分析 ......................................................................................... 1 1 1 .3 指导思想 ................................................................................................. 1 1 1 .4 参考文献 ................................................................................................. 1 1 2 系统目标及原则 ........................................................................................... 1 1 2 .1 建设目标 ................................................................................................. 1 1 2 .1 .1 业务目标 .......................................................................................... 1 1 2 .1 .2 工程目标 .......................................................................................... 1 1 2 .2 建设原则 ................................................................................................. 1 1 2 .3 难点分析 ................................................................................................. 1 2 3 总体解决方案 ............................................................................................... 1 2 4 系统总体设计 ............................................................................................... 1 2 4 .1 设计原则 ................................................................................................. 1 2 4 .2 系统架构 ................................................................................................. 1 2 4 .5 高可用性设计 ........................................................... 错误!未定义书签。 4 .5 .1 高可靠性 .....................................................
