T/SIA 中 国 软 件 行 业 协 会 团 体 标 准 T/SIA 031.2—2021 系统安全工程 网络弹性构建指南 第2部分 网络弹性工程框架 Systems Security Engineering The Guidelines of Cyber Resilien cy Construction Part 2 Cyber Resiliency Engineering Framework ICS 35.020 I651 ______________________________________________________________________________________________ 2021-12-24发布 2021-12-24实施 中 国 软 件 行 业 协 会 发 布 全国团体标准信息平台 中国软协团体标准《系统安全工程 网络弹性构建指南 》 2 目 录 前 言 ................................ ................................ ................................ ................................ .............. 4 1 范围 ................................ ................................ ................................ ................................ .............. 5 2 规范性引用文件 ................................ ................................ ................................ ........................... 5 3 目的和适用性 ................................ ................................ ................................ ............................... 5 3.1 目的 ................................ ................................ ................................ ................................ ........... 5 3.2 适用性 ................................ ................................ ................................ ................................ ........ 6 3.2.1 适用对象 ................................ ................................ ................................ ................................ 6 3.2.1.1构建新系统 ................................ ................................ ................................ .......................... 6 3.2.1.2系统开发需求的变更 ................................ ................................ ................................ ........... 6 3.2.1.3 已有系统的修改 ................................ ................................ ................................ .................. 6 3.2.1.4 变更使用目的的系统 ................................ ................................ ................................ .......... 6 3.2.1.5 现场系统的升级 ................................ ................................ ................................ .................. 6 3.2.2 应用程度 ................................ ................................ ................................ ................................ 6 3.3 标准用户 ................................ ................................ ................................ ................................ .... 7 4 网络弹性工程框架 ................................ ................................ ................................ ....................... 7 4.1 系统生存周期过程 ................................ ................................ ................................ .................... 7 4.2 网络弹性工程框架 ................................ ................................ ................................ .................... 8 5 网络弹性结构 ................................ ................................ ................................ ............................... 8 5.1 网络弹性目的 ................................ ................................ ................................ ............................ 8 5.2 网络弹性目标 ................................ ................................ ................................ ............................ 8 5.2.1 目标定义 ................................ ................................ ................................ ................................ 8 5.2.2 实现方法 ................................ ................................ ................................ ................................ 9 5.2.3网络弹性目标定制 /裁剪 ................................ ................................ ................................ ...... 10 5.3 网络弹性技术和方法 ................................ ................................ ................................ .............. 10 5.3.1 基本网络弹性技术 .......