2G、3G RAN的IP优化解决方案.ppt
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1、2G/3G RAN的IP优化解决方案-Cisco RAN Optimization,康团社 Cisco CMCC HQ and North Team,议题,移动IP NGN系统架构及向全IP融合的路线图移动网络向全IP融合的各个步骤:面临的挑战及解决办法2G/3G对RAN的需求和RAN优化解决方案RAN Optimization 方案的提出RAN Optimization Value PropositionCisco RAN-O在移动网络中的应用场景及部署参考案例及总结,议题,移动IP NGN系统架构及向全IP融合的路线图移动网络向全IP融合的各个步骤:面临的挑战及解决办法2G/3G对UTRA
2、N的需求和RAN优化解决方案RAN Optimization 方案的提出RAN Optimization Value PropositionCisco RAN-O在移动网络中的应用场景及部署参考案例及总结,Mobility IP NGN Architecture,APPLICATION CONVERGENCE,SERVICE CONTROL CONVERGENCE,Transport,O P E R A T I O N A L L A Y E R,S E C U R I T Y L A Y E R,NETWORK CONVERGENCE,Application&Policy FunctionP
3、olicy Enforcement Points,MobileService Exchange,ParentalControl,VoIPOverMobile,Picture Messaging,Mobile TV,Push to Talk,Mobile Gaming,RANAggregation,Radio,IP/MPLSCore,RANCellsite,Mobility IP NGN ArchitectureHow does it evolve to full convergence IP based,Legacy MobileSwitching,IP/MPLSTransport Netwo
4、rk,Internet,RAN,Content,Content/Apps,Policy,CSCP,POC,App X,Content,AllIP,Journey to the IP Mobile Network,V,IP/MPLSTransport Network,IP Evolution in GSM/UMTS Networks,All IP Transport,IP in the Core,IP at the Cell Site,IP Evolution in Mobile Networks-At a Glance,Market Momentum,Stage 1:IP/MPLS for M
5、obile Coreand Signaling over IP,Stage 2:IP/MPLS at 2G/3G RAN Core(AToM),Stage 3:Backhaul Optimization at RAN Edge(RAN-O),Stage 4:End-to-End Intelligent IP Transport,Future Solutions,IP in the Core,IP in the Core,Stage 1:IP/MPLS for Mobile Coreand Signaling over IP,More Mobile/Data networksEDGE/GPRS/
6、3G Proliferation of disparate voice,data,and IT networks Costly to manage and cumbersome to deploy new services More traffic and Services Growing voice trafficSuccess of SMS More data services Difficult and expensive to scale TDM transport and signaling networksMounting cost pressure due to increasi
7、ng competition,Trends/Challenges,Solution Requirements,Reduce OpExSimplify network architecture and operationConsolidate multiple networks into a highly scalable coreMigrate 3G and 2G voice from the more expensive circuit-switched networkFind a scalable and cost efficient solution for the signaling
8、network,Stage 1:IP/MPLS for Mobile Coreand Signaling over IP,BTS,Radio Access Network,Backbone Network,RAN Edge,Node B,A,Gb,IuPS,IuCS,Abis,Iub,RAN Core,IP/MPLS,ATM/TDM/FR,SONET/SDH,ATM/TDM,Internet,BSC/RNC,MGW,MSC,GGSN,SGSN,T-MGW,G-MSW,MSC Server,HLR,Mobile Core Network,Services,G-MSCS,UTRAN 网络的ATM连
9、接,在Iu-b接口:VC汇聚是必要的功能(大量的VCs到少量的接口);在Iu接口:VC交换是必备的功能;,Stage 2:IP/MPLS at 2G/3G RAN Core(AToM),NodeB,MGW,SGSN,RNC,RAN Edge,RAN Core,Stage 2:IP/MPLS at 2G/3G RAN Core(AToM),Iu interfaces were ATM basedContinuous 3G ATM buildoutLack of scalability and industry momentum in ATM operators re-evaluate netwo
10、rk investment strategyPVC management issues,Trends/Challenges,Solution Requirements,Scale back and cap ATM investmentProtect existing ATM investment Enable convergence and OpEx reductionBalancing proved AToM technology,AToM:Any Transport over MPLS,Stage 2:IP/MPLS at RAN Core(AToM),SONET/SDH,BTS,Node
11、 B,BSC,ATM Agregation,Radio Access Network,Abis,Iub,ATM/FR/TDM,IP/MPLS,SGSN,IP/MPLS Backbone,GMSC,GGSN,Internet,AToM,SS7oIP,RNC,ATM/TDM,RAN Edge,RAN Core,Mobile Core Network,HLR,Stage 3:RAN Backhaul Optimization,Proliferation of networks,services and high-speed access increases backhaul traffic:Co-e
12、xisted BTS/Node B sites forGSM/GPRS/EDGE/UMTSHSDPA and WiFiHigh-speed IP radio overlaysIMS/SEF and FMCIncreasing traffic loads call for additional costly backhaul BW Need to reduce E1/T1 backhaul cost while increasing backhaul capacity and availabilityNeed to reduce Capex and OpEx associated with 2G
13、 MSCs Need to expand existing services and introduce new services with same or lower per unit cost,Trends/Challenges,Solution Requirements,Transition to Next Gen backhaulAccess-agnostic Maximize existing backhaulAllow for transition to broadband backhaulEnable 2G/3G/4G convergenceMore Effective for
14、OperationIP intelligent Cell siteExtra ServicesSupport voice,data,video,Stage 3:Backhaul Optimization RAN-O,SONET/SDH,BTS/Node B,RAN Access Network,Abis/Iub Optimization,RAN Edge,FR/ATM/TDM,IP/MPLS,Abis/Iub,IP,SONET/SDH/Ethernet/DSL,GGSN,IP/MPLS Backbone,Internet,BSC/RNC,GMSC,SGSN,SS7oIP,MGW,MSC Ser
15、ver,MSC,RAN Core,RAN-O,Mobile Core Network,Stage 4:End-to-End Intelligent IP Transport,IP RAN deploymentRAN elements talking IPCo-existence with legacy RANMulticast in IP RANIP-based mobile servicesHierarchical Mobile IP for mobilityNew radio technologies and convergence of access networksVoice/data
16、/video any time any where over any access,Trends/Challenges,A high-capacity,scalable and cost efficient network for IP RAN,with support for legacy RANEnd-to-end network with simplified architecture and managementEnable Quad-play:Voice,Data,Video,Mobility,Solution Requirements,Stage 4:End-to-End Inte
17、lligent IP Transport,Internet,BTS/Node B,BSC/RNC,GMGW,Radio Access Network,Backbone Network,MGW,Abis/Iub,IP/MPLS,SONET/SDH/Ethernet/DWDM,IP POP at cellsite,MSC Server,3GPP IP RANBroadband Networks,Mobility GW,IP over E1/T1,Cisco Intelligent IP Transport Solutions Spanning the RAN and the Core,Mobili
18、ty Cisco Intelligent IP Transport,Optimization over IPGSM/UMTS OptimizationCDMA Optimization,Broadband IP BackhaulHSDPA Offload,IP POP ServicesNew revenue-generating IP services,RANAggregationEV-DO IP AggregationUMTS ATM AggregationWiMax IP Aggregation,IP/MPLSBackboneIP/MPLS CoreAny Transport over M
19、PLS(AToM)in the RAN2G/3G Voice Convergence,Signalingover IPSS7oIPSMS OffloadConvergence with IP/MPLS core,RAN Cell Site,Cisco in the RAN,Cisco in the Core,RAN Optimization,议题,移动IP NGN系统架构及向全IP融合的路线图移动网络向全IP融合的各个步骤:面临的挑战及解决办法2G/3G对UTRAN的需求和RAN优化解决方案RAN Optimization 方案的提出RAN Optimization Value Proposi
20、tionCisco RAN-O在移动网络中的应用场景及部署参考案例及总结,Mobile Operator CAPEX,Mobile CAPEX Trend,Limited CapEx demands the maximization of returns on capital investments,making investment protection critical,particularly in the RAN since it accounts for 70%of CapEx,Source:CiscoToscana,Source:Gartner Research as revise
21、d by Cisco BD,3G Deployment Costs,Telecom Media Networks,A significant cost of rolling out a new service is the access transmission networkimproving current backhaul network utilization provides relief,3GPP RAN Evolution Rel5RAN Edge/RAN Core,NodeB,MGW,SGSN,RAN Edge,RAN Core,RNC,BTS,MSC,BSC w/PCU,3G
22、PP RAN Evolution Rel6+,Backward compatibility with previous architecture and protocolsSplit control and user planeMore features should be handled by the(i)NodeB(+)Evolution to IP Cost-efficiency,scalability and robustnessBetter QoS because multimediaFaster hand-over,less delayMore traffic means more
23、 processing RNC cant handle everything,Cisco Concept:-Facing Full IP Architecture,Cell Site DCNReduce truck rolls and MTTRRemote Cell Site AccessCell Site LAN ExtensionCell Site IP TelephonyCell Site SurveillanceRemote Alarm Monitoring and ControlPort Flexibility,Cell Site Hotspot Co-LocationRAN bac
24、khaul re-use2G BTS,3G NodeBQoS and Dynamic Bandwidth AllocationSecurityIntelligent Network Services(VoIP,VPN,local DHCP proxy,Mobile IP,routing,security,etc.)Reduce TTM for new services,Optimized Abis/Iub over IPFull IP and Reduce backhaul costsMaximize the number of voice and data calls carried per
25、 T1/E1IP-based packet backhaul for 2/3/4GNew services“ride for free”Reduce TTM for new services,Alternative BackhaulEnable cheaper and higher capacity backhaul options802.16,Metro E,DSL backhaulIP-based transport for 2/3/4G voice/data bearer,RAN OPTIMIZATION,Cell Site,Central Site,Cisco基于IP的RAN优化方案-
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