第1页共71页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共71页目录一、项目简介................................................................................................31项目名称................................................................................................32项目背景................................................................................................32.1项目来源....................................................................................32.2项目涉及的范围..........................................................................33项目目标................................................................................................4二、项目实施方案..........................................................................................44总体设计指导思想....................................................................................44.1开放性.......................................................................................54.2高可用性....................................................................................54.3高适应性....................................................................................54.4可扩展性....................................................................................54.5可管理性....................................................................................55国内外发展状况及趋势综述.......................................................................66设计基本原则和依据.................................................................................63.1建立多层结构的企业信息系统........................................................63.2基于先进的支撑技术开发应用系统.................................................83.3跨相关应用规划数据/信息资源......................................................93.4建立统一的安全认证与授权机制..................................................113.5通过逐次的集成逐步建成系统......................................................124总体目标及需求分析...............................................................................134.1总体目标..................................................................................134.2业务需求分析...........................................................................154.3具体业务需求分析.....................................................................165总体设计方案........................................................................................295.1系统总体架构...........................................................................295.2数据层设计...............................................................................305.3应用支撑平台设计.....................................................................335.4应用软件设计...........................................................................455.5门户层设计...............................................................................565.6实现技术..................................................................................566项目投资估算........................................................................................717项目进度计划........................................................................................71第2页共71页第1页共71页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟...
