SDN建设指导意见2017年3月SDN建设指导意见目录目录国内运营商SDN建设指导意见.......................................................................................................I1前言..........................................................................................................................................12国内运营商SDN规划目标与发展思路..................................................................................22.1网络架构及演进路径..................................................................................................22.1.1目标网络特征...................................................................................................22.1.2目标网络架构...................................................................................................22.1.3演进路径..........................................................................................................42.2云资源池SDN发展思路及建设规划..........................................................................43SDN技术概述...........................................................................................................................94SDN主要应用场景.................................................................................................................124.1场景1-云资源池网络自动化.....................................................................................125云资源池网络自动化部署方案.............................................................................................145.1物理网络....................................................................................................................145.1.1网络拓扑........................................................................................................155.1.2扩展性............................................................................................................185.1.3容错性............................................................................................................195.1.4差异化服务.....................................................................................................215.2叠加网络....................................................................................................................235.2.1转发面............................................................................................................235.2.2控制面............................................................................................................245.2.3NVE..................................................................................................................265.2.4网关................................................................................................................285.3计算虚拟化对接........................................................................................................305.4云管理平台对接方案.................................................................................................315.4.1对接目标........................................................................................................315.4.2对接方案........................................................................................................315.4.3实施建议..............................................................................................