YDT 1731-2008_电信网和互联网灾难备份及恢复实施指南

YO 中华人民共和国通信行业标准 YOI丁 1731-2008 电信网和互联网灾难备份及恢复实施指南 Implementation Guide for Disaster Backup and Recove 叩 of Telecom Network and Internet 2008-01-14 发布 2008 -0 1-14 实施 中华人民共和国信息产业部发布 电话：82054513 h t t p ://w w w .p t s n .n e t .c n yorr 1731-2008 目;欠 前言................0..0··0.........…..,_...... ..0....0......0..…..0................ ..0 'eO ..…..0..0...……·…………H 1 范围…………...... .….............……......0........... 2 规范性引用文件... ..•... .....…· 3 术语和定义 .0..0..... 4 电信网和互联网灾难备份及恢复概述... .•...0.0......0........…........………..........0....….. •.• .•. .•...•.•.3 4.1 灾难备份及恢复的工作目标...... ..0. ,_n...…...........eO' ....….0.0....... ..0.... .....……..·....··3 4.2 灾难备份及恢复的工作原则..............0.0. ..0..…....0....0.........…. ..•... ...……3 4.3 灾难各份及恢复的管理…... .....……….0.. ..0.0......0....0.....………...•••....•..0....…··......3 4.4 灾难各份及恢复的备案和审计.......…..... ..••...0. .........……........…..0..,......0.....0.....…......·3 5 电信网和互联网灾难备份及恢复等级划分……… .0......0.0...…………........…...0.0......0.0...0.0…… 3 5.1 灾难各份及恢复定级原则...... ..0.0............…......0.0......0..….......0..0.0....n........eo..…..··..··..3 5 .2 灾难备份及恢复实施资源要素…………". ..0.0.... .......~……..........