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LucentTechnologiesProprietaryIMSIMS：：下一代融合通信网络的引擎下一代融合通信网络的引擎IMS:TheEngineofNextGenerationConvergenceCommunicationNetIMS:TheEngineofNextGenerationConvergenceCommunicationNetworkworkQingDaoApril20,2005QingDaoApril20,2005GeorgeY.GeorgeY.JiJi,Ph.D.,Ph.D.朗讯科技朗讯科技下一代网络产品市场总监下一代网络产品市场总监Slide2LucentTechnologiesProprietaryAgendaAgenda向基于IMS为核心的NGN网络演进EvolutiontoIMSBasedNGN朗讯IMS体系结构LucentIMSArchitecture朗讯NGN/IMS的实现LucentNGN/IMSImplementation国际NGN/IMS的标准进展InternationalNGN/IMSstandards朗讯IMS的核心与概要KeyTakeaways向基于向基于IMSIMS为核心的为核心的NGNNGN网络演进网络演进EvolutiontoIMSBasedNGNEvolutiontoIMSBasedNGN朗讯朗讯IMSIMS体系结构体系结构LucentIMSArchitectureLucentIMSArchitecture朗讯朗讯NGN/IMSNGN/IMS的实现的实现LucentNGN/IMSImplementationLucentNGN/IMSImplementation国际国际NGN/IMSNGN/IMS的标准进展的标准进展InternationalNGN/IMSstandardsInternationalNGN/IMSstandards朗讯朗讯IMSIMS的核心与概要的核心与概要KeyTakeawaysKeyTakeawaysSlide3LucentTechnologiesProprietary基于传统软交换网络演进的问题和新的需求基于传统软交换网络演进的问题和新的需求•目前的软交换的发展仍有许多问题GeneralSoftswitchdecompositionofthe1990’sdidnottotallyaddresstheunderlyingmarketneedtodriveservicesforward.�对下一代网络的发展，用户仍有很多需求是现有网络结构所无法实现的Evolvingcustomerneedsaddadditionalrequirementsonanextgenerationnetworkarchitecture.Theserequirementsinclude:–StandardizedSolutions–Multi-Media–“HomeControl”–NewServices(architecturethatprovidesamulti-vendorservicesdeliveryenvironment)–UniversalAccess/Roaming(similartoplugginginlaptop)Slide4LucentTechnologiesProprietary软交换的演进趋势软交换的演进趋势––向基于向基于IMSIMS为核心下一代网络演进为核心下一代网络演进ConsolidatedConsolidatedSoftSwitchSoftSwitchModelModel33GPP/3GPP2IMSModelGPP/3GPP2IMSModel–Limited3rdpartyappsupport–Customhardware/software–NoIPSupport–Bearerfollowssignaling––Limited3Limited3rdrdpartyappsupportpartyappsupport––Customhardware/softwareCustomhardware/software––NoIPSupportNoIPSupport––BearerfollowssignalingBearerfollowssignalingTraditionalSwitchModelTraditionalSwitchModel–Limited3rdpartyAPIstandardization–3rdpartyapplicationinteractionslimitedbyembeddedservices/callmodel–Internalelementintegrationlimitsdeploymentoptions––Limited3Limited3rdrdpartyAPIstandardizationpartyAPIstandardization––33rdrdpartyapplicationinteractionslimitedbypartyapplicationinteractionslimitedbyembeddedservices/callmodelembeddedservices/callmodel––InternalelementintegrationlimitsdeploymentoptionsInternalelementintegrationlimitsdeploymentoptions+Callcontrolseparatefrombearer+IPandmulti-mediaenabled+Commodityhardwareandstandardizedinterfaces+Better3rdpartyapplicationsupport++CallcontrolseparatefrombearerCallcontrolseparatefrombearer++IPandmultiIPandmulti--mediaenabledmediaenabled++CommodityhardwareandstandardizedinterfacesCommodityhardwareandstandardizedinterfaces++Better3Better3rdrdpartyapplicationsupportpartyapplicationsupport+Furtherdecomposition/deployableelements+Flexibledatadrivensessioncontrol+StandardizedSIPinterfaces+Standardized,flexible,applicationsupport+Commonsubscriberdata++Furtherdecomposition/deployableelementsFurtherdecomposition/deployableelements++FlexibledatadrivensessioncontrolFlexibledatadrivensessioncontrol++StandardizedSIPinterfacesStandardizedSIPinterfaces++Standardized,flexible,applicationsupportStandardized,flexible,applicationsupport++CommonsubscriberdataCommonsubscriberdataH.248/MEGACOJTAPI,Parlay,&ProprietarySignallingSignallingGatewayGatewayEmbeddedEmbeddedServicesServicesMediaMediaGatewayGatewayCallControlCallControlMediaGWMediaGWControllerControllerAppAppServersServersSubscriberSubscriberDataDataWirelineWirelineSubscriberSubscriberDataDataWirelessWirelessSIP,H.323,&MGCPAnalogCircuitWirelessIPEndpointsIPIPMGCFMGCFH.248SIPSignallingSignallingGatewayGatewayMediaMediaGatewayGatewaySessionControlSessionControlCSCFCSCFMediaGWMediaGWControllerControllerAppAppServersServersSubscriberSubscriberDataDataSIPAnalogCircuitWirelessSIPEndpointsAppAppServersServersAppAppServersServersSIPIPIPIN,AIN,&CamelSignallingSignallingFeaturesFeaturesSwitchSwitchFabricFabricCallControlCallControlBearerPathBearerPathControlControlININServicesServicesSubscriberSubscriberDataDataWirelineWirelineSubscriberSubscriberDataDataWirelessWirelessAnalogCircuitWirelessXMLSlide5LucentTechnologiesProprietary有线网络和无线网络在有线网络和无线网络在IMSIMS架构下的融合架构下的融合Fixed/MobileConvergenceFixed/MobileConvergence=+IMSforFixed-Only–VoIPInbound(TDMAccess)–VoIPOutbound(ADSLaccess)–VoIPOnNet(ADSLaccess)–VoiceMail–CLIP/CLIR–Forwarding/Rerouting–Blocking–IPCentrex–InstantMessaging–VideoCalling–Presence–Presenceenabledaddressbook–Push-to-Talk–Class4/5replacement–Residential/Publichotspots–...–InstantMessaging–GroupListManagement–Presence–InteractiveServices–Telephonyservices–PTT–VideoTelephony–3rdpartyapplications–combinationofallfixedandmobileservices–seamlessservicedeliverytobothwirelineandwirelessendpoints–GSM/UMTS/CDMA/WiFiconvergence–newconvergedapplications-OneNumber-multipledevices-VoIPVPN&IPCentrexwithmobileextensions-IMacrossfixedandmobileFixedServices,BBAccess,WiFiAccessMobileServices,2G/3GAccessConvergedServices,ConvergedAccess,ConvergedNetworkIMSforMobile-OnlyIMSConvergedFixed/MobileSlide6LucentTechnologiesProprietar