DB32/T 3514.1-2019 电子政务外网建设规范 第1部分：网络平台

ICS35.240.01

L67

DB32

江苏省地方标准

DB32/T3514.1—2019

电子政务外网建设规范

第1部分网络平台

ConstructionSpecificationsofE-GovernmentNetworkPart1：Networkplatform

2019-01-12发布2019-01-30实施

江苏省市场监督管理局发布

DB32/T3514.1—2019

目  次

前言...................................................................................................................................................................III

1范围.................................................................................................................................................................1

2术语和定义.....................................................................................................................................................1

3总体架构.........................................................................................................................................................2

3.1网络层级.................................................................................................................................................2

3.2业务区划分.............................................................................................................................................2

3.3广域网结构.............................................................................................................................................3

3.4城域网结构.............................................................................................................................................3

3.4.1设计原则.............................................................................................................................................3

3.4.2省级城域网.........................................................................................................................................3

3.4.3市、县（市、区）级城域网.............................................................................................................4

3.5分级管理.................................................................................................................................................4

4自治域规划.....................................................................................................................................................4

4.1基本要求.................................................................................................................................................4

4.2自治域号码规划.....................................................................................................................................5

4.3省自治域AS号码分配...........................................................................................................................5

5路由协议.........................................................................................................................................................6

5.1基本要求.................................................................................................................................................6

5.2总体要求.................................................................................................................................................6

5.3路由场景部署.........................................................................................................................................6

5.3.1分级自治域模式.................................................................................................................................6

5.3.2路由通告.............................................................................................................................................7

5.4国家、省级广域网对接.........................................................................................................................7

5.4.1国家、省级路由对接.........................................................................................................................7

5.4.2出省业务地址转换.............................................................................................................................8

5.5省、市广域网对接.................................................................................................................................9

5.5.1双节点上联.........................................................................................................................................9

5.5.2单节点上联.........................................................................................................................................9

5.6省级城域网路由规划...........................................................................................................................10

5.7省级部门接入.......................................................................................................................................10

5.7.1总体要求......................................................