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1、,移动传输网络技术,演进和发展,广西移动技术交流会,Ericsson AB 2006,Business Unit Broadband Networks,2,目录：移动宽带对电信网络的冲击移动传输网的演进爱立信光传输网解决方案爱立信光传输市场情况,Ericsson AB 2006,Business Unit Broadband Networks,3,目录：移动宽带对电信网络的冲击移动传输网的演进爱立信光传输网解决方案爱立信光传输市场情况,Ericsson AB 2006,Business Unit Broadband Networks,4,这个世界正在向数字化发展我们的工作和娱乐方式正在改变,E
2、ricsson AB 2006,Business Unit Broadband Networks,5,多种运营商模式,固定-移动互相渗透,新的商业模式,办公室,TelephonyWWWTV,移动,家庭,Ericsson AB 2006,Business Unit Broadband Networks,6,多媒体市场公共多媒体市场与电信工业的融合,媒体网络,GamesTV,Music,Print,VideoRadio,3G 移动网络电信,数字内容多媒体,Personalization固定宽带网络“Everything networks.People and devices,music,video
3、 games,content,data and services”-Howard Stringer,CEO Sony“所以网络，包括人和设备，音乐，视频游戏，内容，数据和服务”,Terabyte,Terabyte,Ericsson AB 2006,Business Unit Broadband Networks,7,高速增长的新兴业务固网业务的新增长点-IPTV移动网络 移动互联网&移动TV移动与固网的相互渗透,Traffic in Mobile Networks,500 0000,1 000 000,1 500 000,2 000 000,2 500 000,3 000 000,2005,2
4、006,2007,2008,2009,2010,2011,Downloads,TV/Streaming,MessagingMobile PC,Video Telephony,Voice,Traffic in Fixed Networks,100 000 00050 000 0000,150 000 000,300 000 000250 000 000200 000 000,350 000 000,400 000 000,500 000 000450 000 000,2005,2006,2007,2008,2009,2010,2011,IPTV,BB InternetNB Internet,Vo
5、IP,Classic Voice,IPTV 急速提升:在2011年内100M的 IPTV用户越来越多 4 小时/天 5 Mbps,全球每年的增长Other Data,Source:Infonetics,Ericsson AB 2006,Business Unit Broadband Networks,8,宽带是一个正在高速增长的业务400+million 固定宽带用户，到 2009(Sources:Ovum,IMS Research,Ericsson)900 million W-CDMA 用户，到 2011(Source:Informa Telecom)50 HSDPA 可用在 3G 网络，到
6、 2006底 在 2007快速增长For most operators,HSDPA is relatively cheap andeasy to deploy And operators are hugelyenthusiastic that HSDPA will stimulate data ARPU”Source:Visiongain 14 June 2006Broadband is a major growth area,(greenfield),Telco,Ericsson AB 2006,Business Unit Broadband Networks,9,对传统网络的冲击,汇聚多业
7、务网络,一个基于 IP/MPLS 可扩展的核心通用控制/服务环境 基于通用以太网的汇聚网络较低成本 多业务接入汇聚灵活在线演进,WidebandIP/TelcoEthernet,WIP,Other ISPs ServiceProviders CarriersOz-Email UUNet,C,HPC CableNetwork,Satellite,HADial IP,Data customerData customer,典型传统网络Data customer,DDN(UnimuxBauDnx)Datacustomer,DatacustomerFR,InternetUsers,Direct,Mode
8、m,Connections 对老的传统设备升级要许多年 固定和移动网络是分离的 利用较昂贵的技术如 ATM/SONET/SDH 较低数据速率,Point-to-pointnx64 K,Nextep,BusinessGrade ADSL,Service,Data customerTelcointernalusersATMADSLATMCMUX/ASAM,ATM IPSNATMinternalusersInternet Data Wholesale(IP)Users xDSLAM,BRASData customerATMATMSwitched Data Network(ATM),ATMPSTN,I
9、nternationalISPs,ATM,ATM,Routed DataNetwork(RDN),XXX,FDDI,FastGlgbltEthernetBig PondDirectTelco Internet Direct,DDN,Pippo,Pippo,Router,Internet GradeADSL Service,IP/MPLS CoreNext Generation Ethernet,FTTN,Fixed andWireless SoftSwitches,MultiServiceEdge,Frame Relay&ATM,3G Mobile,CopperFTTPFTTP,光纤更接近用户
10、增加数据速率Migration to IP/Ethernet multi-service network and fiber extension,Ericsson AB 2006,Business Unit Broadband Networks,10,目录：移动宽带对电信网络的冲击移动传输网的演进爱立信光传输网解决方案爱立信光传输市场情况,Ericsson AB 2006,Business Unit Broadband Networks,11,服务方式的演进,BundlingTriple Play,ServiceinnovationVideo on DemandInteractivityMes
11、sagingStoring/sharingGamingNetwork VideoRecordingTime shiftingPersonalizationMulti Play,A”best effort”network just wont do the trick,Ericsson AB 2006,Business Unit Broadband Networks,12,传统SDH上的业务向数据迁移,NativeEthernet,TDM&Ethernetdelivery over SDH,TDM,Ethernet,TDM,Ethernet,Access/,Customer,Core/Metro,
12、TDM&Ethernetdelivery overCarrier Ethernet,Migration to packets,TimeSDH和数据双总线结构，设计为支持TDM和以太网，允许传统业务平滑迁移到分组包业务SDH Star interconnectTributary PositionsWorker ProtectData Star interconnect,Ericsson AB 2006,Business Unit Broadband Networks,13,基于MSPP的NG-SDH,Layer 3,IPMPLS,从NG-SDH的MSPP平台上收敛的传输层,VLANEtherne
13、tSDHODUxWDM光纤,Layer 2Layer 1物理层,ffi,Ra,ne ate,th reg,g,Ericsson AB 2006,Business Unit Broadband Networks,14,SDH 演进支持数据业务技术要求,虚级联允许更多颗粒级联的网络能力无需升级中间节点,GFP(Generic Framing Procedure)映射支持多协议业务提供标准化模式以节约成本,更多路由，意味着更有效的网络LCAS(Link Capacity AdjustmentScheme),各种链路颗粒容量 VC12,VC3 or VC4能够再用保护带宽和提供不同的服务层协议,SLA
14、Hybrid product(如 OMS 1400，1600)在 SDH以外ethernet/MAC/Layer 2 级别允许保护切换提供各种以太网业务,Tr,a,c,te,E,t,erAg,N,VC irex requas,d,Bandwidth,Ericsson AB 2006,Business Unit Broadband Networks,15,电信级以太网主要要求及优势电信级以太网已经成为一个特殊的设备类型对于“All-services”唯一城域网选择基本的5大要求:,1.2.3.4.5.,可靠性(高可靠性，故障定位，电信级保护和恢复)可扩展性(网络节点大小，业务数量，业务颗粒)Qo
15、S(E-to-E,strict SLAs)业务标准化(点对点/多点，如：TR-101,支持TDM)服务管理,(网络管理,OAM&P)有别于传统的基于以太网的LAN业务.它带来的商业利益模式以达到以太网成本的节约,Ericsson AB 2006,Business Unit Broadband Networks,16,城域网络的演进下一代城域网,简单的城域网络，适应各种业务，大大降低成本,Narrowband switching(POTS),ADSLBNASBroadband Access(ATM DSLAM),RNC,Business data,PDH,SDH/SONETLeased Line
16、s/Mobile,电信级以太网传输,Target networklayering,We are a“ONE”IP,Ethernet/MPLSMetro xWDM,市场驱动:,新宽带服务技术驱动:宽带接入(IP DSLAM,xDSL,FTTH,GPON),GbE,10GbE 成为标准接口低成本灵活 xWDM/ROADM/WSS,IP 需要:,组播协议(e.g.IGMP snooping)用户业务级别控制平面,Ericsson AB 2006,Business Unit Broadband Networks,17,电信级以太网是一个“ONE”（Optical Network Evolution光网
17、络演进）,VideoSource,Internet,Voicegateway,电信级,以太网,Voice/VideoTelephony,HD TVTVoD,VoD,VideoSource,GamingBusinessBackup,ERP,Mobile,3G,ResidentialTriple-Play,BusinessBroadband,E-Line 和E-LAN 业务,Broadbandmobile data/video,FTTx andDSLAM Backhaul,Ericsson AB 2006,Business Unit Broadband Networks,18,目录：移动宽带对电信
18、网络的冲击移动传输网的演进爱立信光传输网解决方案爱立信光传输市场情况,Metro Network,cc,es,RNC,AEMetro Network,MGW,BSC,MGW,ONE 的定位Service Network,Appl,USM,TeSMGCF,MGCFCoreNetwork,2/3G/Evolved 3G,WLAN,ChargingIMS,Access Network,BB,a,s,Wirelineaccess,EricssonOptical,Networks,Ericsson AB 2006,Business Unit Broadband Networks,19,产品线,Erics
19、son AB 2006,Business Unit Broadband Networks,20,爱立信光传输产品系列Carrier EthernetMarconi OMS 2430/50/70,Marconi OMS 1400,NG-Optical,业务陈诉,大容量,汇聚层,Core,Metro-Core,Metro,Access-Edge Metro-Edge,CLE,Marconi OMS 800,Marconi OMS 1200,Marconi OMS 3200,NG-Optical,NG-OpticalMarconi OMS 1600,NG-Optical,NG-OCS SDH/OTH
20、,WDM,Marconi MHL 3000,产品线,Marconi OMS 3200,正在CMCC总部测试的,产品系列,Ericsson AB 2006,Business Unit Broadband Networks,21,爱立信光传输产品系列Carrier EthernetMarconi OMS 2430/50/70,NG-Optical,Marconi OMS 800,NG-Optical,NG-OpticalMarconi OMS 1600,NG-OCS SDH/OTH,Marconi OMS 1400,NG-OpticalMarconi OMS 1200,即将完成测试WDMMarco
21、ni MHL 3000,业务陈诉,大容量,汇聚层,Core,Metro-Core,Metro,Access-Edge Metro-Edge,CLE,产品线,Ericsson AB 2006,Business Unit Broadband Networks,22,爱立信光传输产品系列Carrier EthernetMarconi OMS 2430/50/70,NG-Optical,Marconi OMS 800,Marconi OMS 1200,Marconi MHL 3000,Marconi OMS 3200,WDM,NG-Optical,NG-OpticalMarconi OMS 1600,
22、Marconi OMS 1400,NG-Optical,NG-OCS SDH/OTH已经进入CMCC采购名单,业务陈诉,大容量,汇聚层,Core,Metro-Core,Metro,Access-Edge Metro-Edge,CLE,Ericsson AB 2006,Business Unit Broadband Networks,23,OMS 800 系列用户端基于SDH的MSPP设备OMS 840支持TDM和以太网业务，提供一个向全IP宽带过度的用户接入方案,超紧凑和模块化MSPP方案 集成SDH TM,ADM,DXC 和 EthernetL2 交换和传输功能,OMS 846OMS 860
23、,统一网管系统OMS 870One Platform,Multiple Services,Ericsson AB 2006,Business Unit Broadband Networks,24,OMS 860What does it look like?,线路模块,STM-1 or STM-4,两个支路槽位,支持热插拔,风扇,两种基本模块配置:带 16xE1 或不含E1 同步，告警，电源，辅助接口 Size:H=44,W=445,D=220(mm),which is 1RU for ETSI or 19”racks,Ericsson AB 2006,Business Unit Broadba
24、nd Networks,25,OMS 860,Product,Highlights灵活低成本接入节点2 个可插拔业务槽位支持 PDH,SDH(Max STM-4),以太网模块,很强的以太网功能(QinQ,VLAN,802.1p,q,d,w)支持NG-SDH(LCAS,GFP,VCAT)基于SFP光模块高密度PDH接口=80 E11 U node(ETSI or 19”),新一代低成本用户端设备 CLE,Power,-48 VDC,ACDC,Adapter,OMS 860结构,Ericsson AB 2006,Business Unit Broadband Networks,26,TDM Mat
25、rix,Agg.SDH,2xSTM-1/4-SFP,24x24HO/LO,Trib#2(opt.)PDH,16xE1,Ethernet Cross-Bar5 Gb,2xSTM-4 1xGiglink 1xSTM-4,Base Unit,Trib#4(opt.)1xGE/L1+1Map 4xFE/L1+4 Map 3xE3/T3,32xE1,Trib#3(opt.)4xFE/L1/L2+4 Map 3xE3/T3 32xE1,Ericsson AB 2006,Business Unit Broadband Networks,27,OMS 870What does it look like?,基于
26、模块化的 DxC 和以太网交换总线:,4 个槽位支持可插拔模块 无需定义线路和支路接口 包括风扇和系统控制器,风扇,2 供电槽位,-48VDC CPU,同步 外部告警 辅助接口 Size:H=44,W=445,D=220(mm),which is 1RU for ETSI or 19”racks,Ericsson AB 2006,Business Unit Broadband Networks,28,OMS 870,Product,Highlights灵活紧凑的 MSPP平台整合 SDH TM,ADM,DXC 和 Ethernet/IP 交换4 个任意可插拔槽位支持 PDH,SDH(up to
27、 STM-16),以太网模块,简易的配置无阻塞交叉很强的以太网功能(QinQ,VLAN,802.1p,q,d,w)支持NG-SDH(LCAS,GFP,VCAT)基于SFP 光模块,高灵活性，低成本多业务平台,ACDC,Adapter,2x Power,-48 VDC,Ericsson AB 2006,Business Unit Broadband Networks,29,OMS 870结构,TDM Matrix,ServiceMod.#4,64X64HO/LO,ServiceMod.#3,ServiceMod.#2,Mod.#18xFE+16Map2xGE+2Map8/63xE16xE3/T3
28、,8xSTM1-SFP4xSTM4-SFP1xSTM16-SFP,Ethernet Cross-Bar10 Gb,ANY COMBINATIONS,Base Unit2xGiglinkSTM-16Service,Ericsson AB 2006,Business Unit Broadband Networks,30,OMS 870 Ultra-Small Footprint,物理尺寸:1 RU-19”or ETSI Rack-2 Units Back-to-Back in Full-Rack-Support for Wall and Desk Top Mounting,产品线,Ericsson
29、 AB 2006,Business Unit Broadband Networks,31,爱立信光传输产品系列,业务陈诉,大容量,汇聚层,Core,Metro-Core,Metro,Access-Edge Metro-Edge,CLE,Marconi OMS 800,Marconi OMS 1200,Marconi MHL 3000,Marconi OMS 3200,WDM,NG-Optical,NG-Optical,NG-OpticalMarconi OMS 1600,NG-OCS SDH/OTH,Carrier EthernetMarconi OMS 2430/50/70,Marconi
30、OMS 1400,NG-Optical,其它MSPP产品系列,Ericsson AB 2006,Business Unit Broadband Networks,32,OMS 1200 系列两种光边缘设备（MSPP平台）基于SDH的电信级在网络边缘的MSPP平台灵活的多业务平台，适合数据或窄带业务增长涵盖从STM-1到 STM-16 传输速率，可在线升级10/100M以太网光电接口和 Layer 2 100/1000M 用于多业务，提供LCAS,GFP,VCAT,OMS1260,5Gbit/s、10Gbit/sswitch configurationenables STM-1 orSTM-16
31、 line rateswith in-serviceupgrade,OMS1240Horizontal or vertical mount,两种机架结构,Ericsson AB 2006,Business Unit Broadband Networks,33,OMS 1600 系列城域接入和城域核心MSPP设备交换容量,64 STM-1,128 STM-1 384 STM-1,Full SizeOMS 1664CompactOMS 1654,Cost reduced STM-16 ADM STM-64 ADM504 x 2Mbit/s Metro Access DXCHigh port cou
32、nt Metro CoreCost reduced STM-16 ADM STM-64 ADMLight loaded Metro Access Metro Core,电信级复用设备，基于2Mbit/s交换颗粒的全交叉无阻塞平台城域接入和核心MSPP平台，支持TDM和数据双总线结构线路最高支持 STM-64电信级以太网性能,Ericsson AB 2006,Business Unit Broadband Networks,34,OMS3200系列OMS3240/3250/3260 核心传输系列，从80G到960G最新高密度核心网设备 OMS3255两种交叉矩阵配置：160G 和 640/720
33、G.支持VC12颗粒交叉板（5G,10G,40G）,Capacity,OMS 324080 Gbit/s,OMS 3250320 Gbit/s,OMS 3255/720640 Gbit/s,OMS 3260960-2880 Gbit/s,Capacity,OMS 3255/160160 Gbit/s,产品线,Ericsson AB 2006,Business Unit Broadband Networks,35,爱立信光传输产品系列,业务陈诉,大容量,汇聚层,Core,Metro-Core,Metro,Access-Edge Metro-Edge,CLE,Marconi OMS 800,Mar
34、coni OMS 1200,Marconi MHL 3000,Marconi OMS 3200,Carrier EthernetMarconi OMS 2430/50/70,NG-Optical,NG-Optical,NG-OpticalMarconi OMS 1600,WDM,NG-OCS SDH/OTH,Marconi OMS 1400,电信级以太网传输平台,NG-Optical,Ericsson AB 2006,Business Unit Broadband Networks,36,OMS 2400 产品系列,电信级以太网传输节点,OMS 2430OMS 2470,OMS 2450OMS
35、 1405OMS 1410,光以太网交换平台从10Gbit/s到640Gbit/s(全双工)带有实在的QoS和OAM的电信级以太网汇聚，传输和交换MEF-9 和 MEF-14 证书网络模型 1:Layer-2 供应商桥(Q-in-Q,IEEE802.1ad,R/MSTP,Ethernet OAM),网络模型 2:T-MPLS 带有伪线(PWE3),隧道(LSP),网络保护和 MPLS管理（OAM）网络模型 3:PBB-TE 点对点保护和以太网管理（OAM）针对以太网业务(EPL,EVPL,EVPLAN)支持住宅用户的三重播放业务，视频组播(IPTV,VoD)支持移动业务(2G 和 3G 业务承
36、载),Ericsson AB 2006,Business Unit Broadband Networks,37,OMS 1410面板布置,2 x 子架控制器(SC),-,4xSDH 或 1x10GE 接口.SC 包括 CPU,同步,辅助接口和电源,接口,4 x 业务模块(SM)-E1,E3/T3,STM-1/4/16,FE andGE,2 x 扩展模块(EM),-连接,FAN,接口扩展 Size:H=88,W=445,D=220(mm),which is 2RU for ETSI or 19”racks,OMS 1410结构,TDM DXC,System Controller(1),or1x1
37、0GE,96x96 LO4xSTM-N,Cross Bar80G,TDM DXC,System Controller(2),or1x10GE,96x96 LO4xSTM-N,Cross Bar80G,Service Module(1),Service Module(2),Service Module(3),Service Module(4),Expander Module(1),Expander Module(2),STM-16,20Gbit/s,-8xSTM,-1xXGE 20 xGE-10 xGE 32xMAP-16xE1/C-63xE1/C-6xE3/T3,ANY COMBINATION
38、S,Ericsson AB 2006,Business Unit Broadband Networks,38,Ericsson AB 2006,Business Unit Broadband Networks,39,以太网特性以太网接口 Up to 2 x 10GE Up to 60 x FE/GE以太网交换容量 80G支持 EPL,EVPL,EPLAN 和EVPLAN支持 802.1ad,p,q,d,wIGMP snooping业务隔离(QinQ)协议隧道业务管理(MEF)E1电路仿真,Ericsson AB 2006,Business Unit Broadband Networks,40,
39、MPLS 特性Pseudo Wire Emulation Edge to Edge(PWE3)封装协议,支持以太网 PW 仿真和以太网 VLAN PW 仿真,Virtual Private Wire Service(VPWS)虚拟专线Virtual Private LAN Service(VPLS)虚拟专网控制平面,保护,OSPF-TETraffic Engineered RSVP(RSVP-TE)协议Label Distribution Protocol(LDP)协议LSP 1+1Fast Re-Route(FRR),Ericsson AB 2006,Business Unit Broadb
40、and Networks,41,MPLS 业务,用户业务的 PWE3 隧道,Ethernet over PW Ethernet VLAN over PW TDM over PW,控制协议,Static routing LDP OSPF-TE CSPF RSVP-TE,附加特性 LSR and LER Static Multicast LSP QOS E-LSP/L-LSP MPLS OAM(CV,FFD,FDI),Ericsson AB 2006,Business Unit Broadband Networks,42,MSP 1+1 用于 SDH,链路汇聚用于以太网,保护切换 SNCP 用于
41、VC-12/3/4,SNC/I and SNC/N 双踪信号 网格和环拓朴,LCAS 保护用于 VC-12/3/4,保护带宽的有效利用,100ms 切换时间,设备保护 1:1,E1,E3,T3,STM-1e,E,FE and GE,RSTP/MSTP 用于以太网保护 1s 切换时间TransportNetwork,LSP 1+1 MPLS 保护 50ms 切换时间,Ericsson AB 2006,Business Unit Broadband Networks,43,设备模块,系统控制器SC-A-4xSTM1xSTM-16 or 4xSTM-1/4SC-A-1x10GE1x10GE扩展模块E
42、M-8xRJ45EM-6x1.0/2.3EM-2xLFHEM-10 xSFP辅助模块FM-13 FANs+external alarm and CLIinterfaces,业务模块SM-8xSTM8xSTM-1,4xSTM-4,1xSTM-16SM-6xE3/T3Connectors in EMSM-63xE1/CConnectors in EMC=Circuit EmulationSM-16xE1/C8 x RJ45 connectors on moduleand 8 on EMC=Circuit EmulationSM-1xXGE-20 xGE”pure”Ethernet module10
43、 x GE connectors on moduleand 10 on EMSM-10 xGE-32xMAPInclude 32 EoSDH mappers,PHYs&,Classification,Traffic,Management,Fabric,Adaptation,PHYs&,Classification,Traffic,Management,Fabric,Adaptation,Classification,Traffic,Management,Traffic,Management,Fabric,Adaptation,PHYs&,PHYs&,Classification,Fabric,
44、Adaptation,Ericsson AB 2006,Business Unit Broadband Networks,44,Switch Fabrics,EoSDH Traffic Unit,Data Traffic Unit,Ethernet i/f,with xWDM,SFPs/XFPs,EoSDH Traffic Unit,TDM i/f(STM-N),with xWDM,SFPs/XFPs,Data Traffic Unit,Ethernet interfaces with xWDM,SFPs/XFPs,VCGs carrying Ethernet traffic,OMS 2400
45、 结构OMS 2400 chassis,Port expansionmodule,xWDM SFPs/XFPs,Data traffic,connectionsSTM-N,Port expansionmodule,xWDM SFPs/XFPs,Central Switch cardMulticastEthernet traffic,Ericsson AB 2006,Business Unit Broadband Networks,45,爱立信以太网/MPLS传输OMS 2400主要特性电信级以太网汇聚和传输完全支持Layer 2 交换特性(Provider Bridge)MPLS,包括控制平台
46、和 OAM伪线端对端仿真协议(PWE3)支持真正的 CoS/QoS支持广播和组播支持IP协议现有网络的互连 WDM(集成式),SDH,Layer 2,IP core 移动网应用,Ericsson AB 2006,Business Unit Broadband Networks,46,OMS 2400 业务卡概览,以太网接口卡(OMS 2430/50/70),10 xGE/FE SFP 10G card1x10GE/WAN/POS XFP 10G card24xGE SFP Oversubscription 10G card,20 xGE SFP 20G card,2x10GE LAN XFP
47、20G cardCES 卡8xE1/DS1 CES module(OMS 1410,1405)8xSTM1/OC3 CES card(OMS 2430/50/70),40G 以太网接口卡(OMS 2470),4x10GE XFP 40G LAN card40 xGE SFP 40G card,10G DWDM 卡(OMS 2430/50/70),1x10GE DWDM FEC OTU-2full C-band tunable laser card1x10GE XFP DWDM FEC card,Ericsson AB 2006,Business Unit Broadband Networks,
48、47,混合体结构为了给运营商简单地在网络操作中综合业务，定义了一个混合型的结构典型的，一个非面向连接的业务放在一个面向连接的网络中传输，任何混合都可以例如:NG-SDH:由SDH支持的以太网或其它分组业务 Provider Backbone Bridge（PBB）:由非连接的以太网层支持的以太网 Provider Backbone Bridge with Traffic Engineering（PBT）:面向连接的以太网层支持的以太网 MPLS L2VPN:由MPLS支持的以太网 MPLS PWE3 CES:由MPLS支持的TDM,Ericsson AB 2006,Business Unit
49、Broadband Networks,48,ASTN/GMPLS 控制平面将ASTN的标准引进一个分布式控制平面用于在网格网络中的自动恢复和业务建立,采用路由，信令和链路管理协议能自动发现，端对端自动建立和为SDH，OTH和WDM网格网络的恢复,ASTN通过GMPLS协议的执行ASTN 正逐渐由核心网络扩展到城域网络作为一个通用的传输控制平面GMPLS 控制平面协议(RSVP-TE 和 OSPF-TE)同 T-MPLS 和 PBB-TE 控制平面相同定位在整个传输网络的控制平面,Ericsson AB 2006,Business Unit Broadband Networks,49,爱立信传输
50、网络的演进(1),Business TDM services,NMS,IP CoreSDH core,Residentialusers(POTS),Mobile,PDH,IP/ATMDSLAM,FE/GbE,OMS 1664,.OMS 3250/55NG-SDH ring(STM16,STM64),SoftSwitch,ISP,Services,BRAS,OMS 3200,L2C,EoSDHL2C,L2C allows a full L2 switching layer tobe created on top of an existing SDHMetro/Access infrastruct
