文档编号项目编号保密级别初步设计方案建设单位编制单位参编单位编制日期联系人联系方式信息化建设项目编制单位主要编制人员姓名职称参编单位主要参编人员姓名职称信息化建设项目目录第一章项目概况...........................................................................11.1项目名称.....................................................................11.2初设和概算编制依据...........................................................11.3项目建设目标、内容、建设期...................................................21.3.1建设目标....................................................................................................................................21.3.2建设内容....................................................................................................................................31.3.3建设周期....................................................................................................................................31.3.4项目总投资................................................................................................................................31.4主要结论与建议...............................................................4第二章需求分析...........................................................................62.1现状描述与分析...............................................................62.1.1网络现状....................................................................................................................................62.1.2应用现状....................................................................................................................................62.2业务需求描述与分析...........................................................62.2.1粮食出入库业务........................................................................................................................62.2.2粮食仓储业务............................................................................................................................72.2.3粮库信息集成管理...................................................................................................................82.3数据库需求...................................................................92.4安全要求.....................................................................92.4.1安全威胁和风险........................................................................................................................92.4.2信息安全需求..........................................................................................................................10第三章总体设计方案......................................................................123.1建设原则....................................................................123.2设计原则....................................................................123.3实施原则....................................................................133.4选型原则....................................................................143.5关键技术....................................................................143.6设计约束....................................................................173.7建设目标....................................................................183.8建设内容....................................................................183.9系统结构............
