2G、3G的IP优化方案

111CiscoConfidential.ChinaMobileWirelessSolutionTeam2G/3GRAN的IP优化解决方案--CiscoRANOptimization康团社[e-mail]ionTeam议题•移动IPNGN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RANOptimization方案的提出RANOptimizationValueProposition•CiscoRAN-O在移动网络中的应用场景及部署•参考案例及总结333CiscoConfidential.ChinaMobileWirelessSolutionTeam议题•移动IPNGN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RANOptimization方案的提出RANOptimizationValueProposition•CiscoRAN-O在移动网络中的应用场景及部署•参考案例及总结444CiscoConfidential.ChinaMobileWirelessSolutionTeamINTELLIGENTINFORMATIONNETWORKMobilityIPNGNArchitectureAPPLICATIONCONVERGENCESERVICECONTROLCONVERGENCETransportOPERATIONALLAYERSECURITYLAYERNETWORKCONVERGENCEApplication&PolicyFunctionPolicyEnforcementPointsMobileServiceExchangeParentalControlVoIPOverMobilePictureMessagingMobileTVPushtoTalkMobileGamingRANAggregationRadioIP/MPLSCoreRANCellsite555CiscoConfidential.ChinaMobileWirelessSolutionTeamMobilityIPNGNArchitectureHowdoesitevolvetofullconvergence–IPbasedLegacyMobileSwitchingHLRIP/MPLSTransportNetworkInternetRANMSCContentContent/AppsPolicyCSCPPOCAppXContentEnterpriseVPNPOCAppXCLASSAppIPCoreIPbasedRANEdgeServicesSIP/IMSCPESecuritySplitArchitectureAllIPJourneytotheIPMobileNetworkPSTNSS7VIP/MPLSTransportNetworkWirelessBB666CiscoConfidential.ChinaMobileWirelessSolutionTeamCoreNetworkRANCoreRANT&OPSTNnxT1/E1nxT3/STM1BSCBTSMSCMSCMSCGMSCA-bisTDMA-terTDMGGSNnxT1/E1nxT3/STM1RNCNodeBlu-bATMAAL2/5lu-psATMMediaGatewayVlu-csATM3G–UMTS(R4)SGSNGnPCUSGSNGbFrameRelayGGSN2.5GGSM/GPRSGiGnIPBackboneCiscoMobileExchangenxT1/E1nxT3/STM1RNCNodeBlu-rATMlu-bATMAAL2/5lu-csIP3G–UMTS(R5)lu-psIPMSCPSTNMediaGatewayVIPEvolutioninGSM/UMTSNetworks777CiscoConfidential.ChinaMobileWirelessSolutionTeamAllIPTransportIPintheCoreIPattheCellSiteIPEvolutioninMobileNetworks--AtaGlanceMarketMomentumStage1:IP/MPLSforMobileCoreandSignalingoverIPStage2:IP/MPLSat2G/3GRANCore(AToM)Stage3:BackhaulOptimizationatRANEdge(RAN-O)Stage4:End-to-EndIntelligentIPTransportFutureSolutionsIPintheCoreIPintheCore888CiscoConfidential.ChinaMobileWirelessSolutionTeamStage1:IP/MPLSforMobileCoreandSignalingoverIP•MoreMobile/DatanetworksEDGE/GPRS/3GProliferationofdisparatevoice,data,andITnetworksCostlytomanageandcumbersometodeploynewservices•MoretrafficandServicesGrowingvoicetrafficSuccessofSMSMoredataservicesDifficultandexpensivetoscaleTDMtransportandsignalingnetworks•MountingcostpressureduetoincreasingcompetitionTrends/ChallengesSolutionRequirements•ReduceOpEx•Simplifynetworkarchitectureandoperation•Consolidatemultiplenetworksintoahighlyscalablecore•Migrate3Gand2Gvoicefromthemoreexpensivecircuit-switchednetwork•Findascalableandcostefficientsolutionforthesignalingnetwork999CiscoConfidential.ChinaMobileWirelessSolutionTeamPSTNIP/MPLSBackboneVoiceandSS7oIPStage1:IP/MPLSforMobileCoreandSignalingoverIPBTSRadioAccessNetworkBackboneNetworkRANEdgeNodeBAGbIuPSIuCSAbisIubRANCoreIP/MPLSATM/TDM/FRSONET/SDHATM/TDMInternetBSC/RNCMGWMSCGGSNSGSNT-MGWG-MSWMSCServerHLRMobileCoreNetworkServicesG-MSCS101010CiscoConfidential.ChinaMobileWirelessSolutionTeamUTRAN网络的ATM连接PDN/InternetIupsIucsNodeBRNCRNCMSC/VLRPSTNGGSNTransitSGSN“PureIP”IurATMAAL2&AAL5ATMAAL5ATMAAL2&AAL5ATMAAL2&AAL5NMS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；Stage2:IP/MPLSat2G/3GRANCore(AToM)NodeBMGWSGSNRNCIuRAAL2&5IuPS-AAL5ATMATMIuB–AAL2&5IuB–AAL2&5RANEdgeRANCore111111CiscoConfidential.ChinaMobileWirelessSolutionTeamStage2:IP/MPLSat2G/3GRANCore(AToM)•IuinterfaceswereATMbased•Continuous3GATMbuildout•LackofscalabilityandindustrymomentuminATMoperatorsre-evaluatenetworkinvestmentstrategy•PVCmanagementissuesTrends/ChallengesSolutionRequirements•ScalebackandcapATMinvestment•ProtectexistingATMinvestment•EnableconvergenceandOpExreduction•BalancingprovedAToMtechnologyAToM:AnyTransportoverMPLS121212CiscoConfidential.ChinaMobileWirelessSolutionTeamStage2:IP/MPLSatRANCore(AToM)SONET/SDHBTSNodeBBSCATMAgregationPSTNRadioAccessNetworkBackboneNetworkAbisIubATM/FR/TDMIP/MPLSSGSNIP/MPLSBackboneTMGWGMSCMSCServerGGSNInternetAToMMSCSS7oIPMGWRNCATM/TDMRANEdgeRANCoreMobileCoreNetworkHLR131313CiscoConfidential.ChinaMobileWirelessSolutionTeamStage3:RANBackhaulOptimization•Proliferationofnetworks,servicesandhigh-speedaccessincreasesbackhaultraffic:Co-existedBTS/NodeBsitesforGSM/GPRS/EDGE/UMTSHSDPAandWiFiHigh-speedIPradiooverlaysIMS/SEFandFMC•IncreasingtrafficloadscallforadditionalcostlybackhaulBWNeedtoreduceE1/T1backhaulcostwhileincreasingbackhaulcapacityandavailabilityNeedtoreduceCapexandOpExassociatedwith2GMSCs•NeedtoexpandexistingservicesandintroducenewserviceswithsameorlowerperunitcostTrends/ChallengesSolutionRequirements•TransitiontoNextGenbackhaulAccess-agnosticMaximizeexistingbackhaulAllowfortransitiontobroadbandbackhaulEnable2G/3G/4Gconvergence•MoreEffectiveforOperation•IPintelligentCellsite•ExtraServicesSupportvoice,data,video141414CiscoConfidential.ChinaMobileWirelessSolutionTeamStage3:BackhaulOptimization–RAN-OSONET/SDHBTS/NodeBRANAccessNe