中国移动IP专用承载网省内延伸一期工程上海分公司总体实施方案及配置规范上海贝尔阿尔卡特股份有限公司互联网事业部二零零六年十二月中国移动IP专用承载网省内延伸一期工程目录第一章概述...........................................................................................................................................................4第二章中国移动IP承载网络架构......................................................................................................................62.1IP承载网拓扑现状描述............................................................................................................................62.2本次工程各省拓扑模型.............................................................................................................................72.3上海移动IP承载网现状............................................................................................................................82.4上海移动本期工程实施后拓扑...............................................................................................................11第三章承载业务种类和实现方案.....................................................................................................................133.1网络业务组织方式...................................................................................................................................133.2NGN业务接入模型....................................................................................................................................143.3上海移动业务描述...................................................................................................................................143.3.1电路域核心网....................................................................................................................................143.3.2分组域核心网...................................................................................................................................153.3.3自有业务系统....................................................................................................................................163.3.4业务支撑系统....................................................................................................................................17第四章路由协议设计.........................................................................................................................................194.1IGP路由设计............................................................................................................................................194.1.1ISIS路由扁平化设计......................................................................................................................194.1.2ISIS优化设置.................................................................................................................................204.2BGP路由设计...........................................................................................................................................204.3MPLS三层VPN设计...................................................................................................................................214.3.1自治域部署..........................................................................................................................................