集团客户专线接入业务研究报告版本号：1.0.0目录1研究背景..........................................................................................................................62专线业务需求及技术现状...............................................................................................72.1业务需求分析..............................................................................................................72.2技术现状统计..............................................................................................................92.3主流的专线接入技术.................................................................................................102.3.1SDH/MSTP接入............................................................................................112.3.1.1SDH专线........................................................................................................112.3.1.2MSTP专线.....................................................................................................132.3.2PON接入........................................................................................................152.3.2.1PON概述........................................................................................................152.3.2.2PON的设备以及端口....................................................................................162.3.2.3PON接入中客户侧的设备部署....................................................................172.3.3WLAN接入....................................................................................................192.3.4xDSL接入......................................................................................................202.3.5以太网（LAN）接入....................................................................................213中国移动网络现状.........................................................................................................233.1骨干网........................................................................................................................233.1.1省级传送网.....................................................................................................233.1.2IP承载网........................................................................................................243.2城域网........................................................................................................................263.2.1城域传送网.....................................................................................................263.2.2IP城域网........................................................................................................284专线接入问题分析及建议.............................................................................................294.1接入资源问题分析及建议.........................................................................................294.1.1问题分析.........................................................................................................294.1.2建议................................................................................................................294.2现有主流技术方案问题分析及建议.........................................................................304.2.1现有技术方案................................................................
