电信发展大趋势.ppt

,电信网络技术的发展,为信息产业部研究发展策略，技术体制,规范和标准，测试和任证。为电信运营公司提供技术支持：进行设备选型和技术咨询。例如：IN，SS7，ISDN，同步网，编号，SDH，WDM，接入网，帧中继，多媒体，ATM，IP，IP电话，GSM，CDMA，高速讯呼和IMT2000。,电信传输研究所,图1我国电信网的构成,业务网,支撑网,No.7信令网,电信管理网,传送网,话音平台,智能网,公共业务平台,电子邮件/传真存储转发/EDI,语音信息台,多媒体信息服务台,AnnualRevenue,AnnualIncome,Note:Level3hadhighExtraordinaryRevenuesin1998thatmorethancompensatedtheLossonOrdinaryOperationsshowninthischart,MCIWorldcomRevenuemix,AT4.5%in2005Traditionalvoicehastobesupportedforalotofyears!,Source:IDC/LinkBCGanalysis,Source:OVUMReport,1,2,3,SegmentationofoperatorsBasedonthebackboneprotocol,EstablishedoperatorslookingforveryopenmultiservicenetworksFordata:useofATMbackbonetotransportIPandFRForvoice:optimizationofcircuitnetworks(ATMbackbone,voiceoverSDH,trunkingofVoATMandVoIPintheexistingnetwork)FullsupportofexistingservicesandintroductionofnewservicesNewtelecomoperatorscontinuingATMdeployment,carryingIP,VoiceandFrameRelayInternetserviceprovidersandnewentrantsaskingforpureIPswitchingbackbone,ATMandIPdeploymentinthebackbone,Existingvoicenetwork,integrationonATM,migrationtoIP,ATM,migrationtoIP,IPdeployment,1,3,2,ThechoicesofsomeUSoperatorsATM,ATM/IPorIP,Establishedoperators,focusingonATM(multi-servicenetworks)RBOCs(Ameritech,BellAtlantic,BellSouth,SBCCommunications,USWEST),MCI,GTE,IXC,AT终端：TV、PC;应用：IP/Cell/WebTV（Web、Video、Multicast）；服务：管理性、可靠性。,新形势对电信网的要求(1),1).目前的电信网是为电话设计的，正在改造以便传数据和图象。未来的趋势将主要按数据业务来设计网络，但可用来传电话，数据和图象业务。对现有电路交换网的改造是不可避免的！(例子：Cisco总工的预言)-象WorldCom这样的少数新兴电信公司的网络数据业务量已超过电话，而象AT&T,USSprint等传统电话公司的网络数据业务量也将在2005年左右超过电话业务量,-大型电信公司都在调整部署，削减传统公用电信网部门，加强数据通信特别是IP产品部门（例子：爱立信）2).TCP-IP将成为电信网的主导的上层通信语言3).必须保证网络端到端的服务质量（QoS），为此核心网部分必须引入SDH+ATM并保证其可用性与电话网相当。4).电信网的大趋势是逐步实现分组化，无连接化和全球寻址，最终形成一无缝的IP网络结构！,新形势对电信网的要求(2),5)必须暂时放弃端到端ATM连接的理想，用户处将以以太网/快速以太网和IP接入为主6)铜缆接入网必须改造，出路光纤+无线7)为应付IP及其他业务引起的巨大压力,以WDM技术为代表的下一代大容量光网络建设势在必行，长途主干线上应开始应用新一代光纤，各种IP业务的旁路技术也大有市场8)对电信公司，实现电话和数据的融合是首要任务，下一步才是多媒体，三网融合是长远目标,新形势对电信网的要求(3),下一代网络,Newpublicnetwork(NPN)新的公用网,Unifiednetwork一体化网,Continuouslyupgrablenetwork可持续发展的网络,R/S,CoreNetworkMigrationforIP,PremiumService=Money-Making=ControlledQoS,RegularBestEffort=NotMoney-Making=SuppressInvestment,IP/ATM“Premium”Servicesw/ControlledQoS,IP/SONETorWDMRegularBest-EffortServices,IPCoreNetwork,可持续发展网络的基本要求,可支持现有和将有的所有业务具有巨大的可持续扩容的链路容量和节点容量,因而物理层一定是以WDM为基础，以OADM与OXC为节点的光传送网TCP-IP将成为主导的上层通信语言，但不完全排除其他通信协议，因而可同时支持现有电路交换网，ATM网，以太网和宽带IP网具有很高的网络和业务生存性最终将是以IP为基础的无缝融合的网,电话网,网关,数据核心网IP/ATM/SDH/Optical,接入服务器,以数据为主的未来网络结构,Internet,大企事业,居民,接入服务器,R,R,ATMSW,IPoverOptical,IPoverSDH,IPoverATM,未来的IP分层传送网,Multi-ServicesData-CentricNetworkVision,PSTNSignalingGateway,POTS,IP,AccessServer,xDSL,ResidentialGateway,Other,BusinessMUX,EdgeSwitch,RADIUSServersBillingServersNameServersDataVPN,SessionManagers,NetworkManagement,ServiceandBusinessManagement,NetworkDatabases,PSTNFeaturesServers,ResourceServers,NetworkandServiceManagement,RAS,OC3,xDSL,Remote,AccessServer,VoiceATMLANs,FixedWireless,BusinessWireless,PacketCircuitGateway,Firewall,.,7R/EArchitecture,AnyVendorsTandemorLongDistanceOffice,Voice/Data/VideoMulti-ServicePacketNetwork,SS7Network,STP,ATM/IPCoreNetwork,ATIXC,EO,SCP,AnyVendorsEndOffice,FullRangeofNarrow&BroadBandCircuit&PacketAccess,FullRangeofNarrow&BroadBandCircuit&PacketAccess,Howpacketnetworkscanprovidevoiceservicesthatarecompetitivewithcircuitswitchednetworks,7R/Eis.,7R/EMulti-ServiceSolution,ATIXC,EO,PacketGateways,AnyVendorsEndOffice,FullRangeofNarrow&BroadbandCircuit&PacketAccess,PacketNetwork,FullRangeofNarrow&BroadbandCircuit&PacketAccess,7R/Eis.,7R/EPacketLocalSolution,Howothervendorsend-officeswitchescanuselowercostpackettransportandprovidenewIP/ATMbasedfeatures&services,PacketNetwork,CircuitNetwork,TrunkAccessGateway,LineAccessGateway,CircuitNetwork,7R/Eis.,Howtomorrowstandemsarebuilttovirtuallyeliminatetandemcongestionandexhaust,7R/EPacketTandemSolution,7R/Eis.,Howthe5ESSistransformedintoa7R/Etoachieverapidfeaturecreationandalmostunlimitedscaleability,7R/EPacketDriver(5ESSto7R/Etransformation),Hub/BridgeorSwitch/Router,7R/Eis.,Howcircuitandpacketnetworkswilloff-loaddial-updatatrafficandofferremoteaccessservices,7R/EDial-upDataSolution(MultiServicesModule),PacketNetworks(IP/FR/ATM),PublicInternet,ISP,Inter-OfficeCircuitNetworks,CoreDataNetworkToday,IPandnon-IPtrafficiscarriedoverATM/SDHcoreConnectionsbetweenroutersareatsub-OC-3ratesATMswitchesaggregatetrafficOpticalLineSystemsaredeployed,l,l,IP/ATM,ATMSwitch,ATMSwitch,ATMSwitch,ATMSwitch,Router,Router,Router,Non-IPDataSource,Non-IPDataSource,IPDataSource,IPDataSource,SDHDCS/ADM,SDHDCS/ADM,SDHDCS/ADM,OpticalLineSystem,Non-IPDataSource,CoreDataNetworkTomorrow,Whilenetworkgrows,routersandswitchesareaddedRoutersthatareinterconnectedviaOC-3pipesorhighercanuseIP/SDHinterfaces.ATMtrafficaggregationattheedgesofthenetworkwillcontinueATMswitchingandSDHXCintegratedinoneNE,IP/SDH,l,ATMSwitch,l,ATMSwitch,ATMSwitch,SDHDCS/ADM,SDHDCS/ADM,SDHDCS/ADM,SDHDCS/ADM,Router,Router,Router,Router,Router,Router,SDHDCS/ADM,IPDataSource,IPDataSource,IPDataSource,ATMSwitch,SDHDCS/ADM,Router,Router,Non-IPDataSource,Non-IPDataSource,SDHDCS/ADM,OpticalLineSystem,RoutersthatareinterconnectedviaOC-48pipesorhighercanuseIP/WDMinterfacesRoutersperformtheinterworkingfunctionbetweenIP/ATM,IP/SDHandIP/WDM,CoreNetwork-Beyond,l,l,IP/WDM,l,Router,Router,Router,Router,Router,Router,IP/SDH,SDHDCS/ADM,SDHDCS/ADM,Router,Router,Router,Router,ATMSwitch,ATMSwitch,Router,Router,ATMSwitch,ATMSwitch,SDHDCS/ADM,SDHDCS/ADM,SDHDCS/ADM,SDHDCS/ADM,SDHDCS/ADM,SDHDCS/ADM,Router,Router,Router,ATMSwitch,Non-IPDataSource,IPDataSource,IPDataSource,IPDataSource,Non-IPDataSource,OpticalXC/ADM,OpticalXC/ADM,OpticalLineSystem,OpticalLineSystem,PSTN,ATM,PSTN,ATM,PSTNExchange,ATMExchange,EWSDBroadbandNode,EWSDBroadbandNode-ChangingBroadbandNetworkScenario,LocalNetworkwithEWSDBroadbandNode,EWSDOAMincl.ATMandDSL,RemoteSite,RemoteSite,EWSDBroadbandNode,EWSDBroadbandNode-EmbeddinginExistingNetworks,LocalExch.,EWSD,InnovationNode,EWSD,InnovationNode,TrunkExch.,SDH,DLU,SDH/PDH,RSU,RemoteSwitchingUnit,DLU,DigitalLineUnit,PH,PacketHub,FR,FrameRelay,Broadband,PSTN/ISDN,RSU,MSPstandalone,ATMswitch,e.g.36170/36190,Broadband,PSTN/ISDN,DLU,E-CubeNGSAdaptationtoHybridSolution,Analog/N-ISDN,ATMUNI,Processor,IP/ATM,IP/ATM,MPLS,Labelmapping,STMModule,IWU,FETEX-150E-Cube,LAN,E-CubeATMSwitchwithMPLS,MPLSModule,LDP:LabelDistributionProtocolOSPF:OpenShortestPathFirstBGP-4:BorderGatewayProtocolVer.4BSGC:BroadbandSignalingControlPVC:PermanentVirtualConnectionBCPR:BroadbandCallProcessorAPI:ApplicationProgramInterface,FETEX-150,ATMUNI,Line,Line,Line,BSGC,RoutingProtocols,IPdataconnection,LDP,BGP-4,OSPFsignalingconnection,Routingsignaling(OSPF,BGP-4)termination(ManagementIProutingtable)LDPtermination(Labelassignment:ManagementofIPaddressandLabel(VPI,VCI)information)OrderofconnectionsetupviaAPI,ATMterminationAALterminationRelayofAPIinformation,APIinformation,CommunicationwithMPLSmodulethroughAPI(Software)ConnectionsetupManagementofconnectioninformation,Connectionsetup,OSPF/BGP4/LDP,VCImapSetup,Setup,OC-3,Switch,OSPF,BGP-4,LDP,E-CubeNGSAdaptationtoATM-centricSolution,FETEX-150E-Cube,Analog/N-ISDN,ATMUNI,STMModule,ATMModule,Processor,IP/ATM,IP/ATM,IWU,IPM,LAN,E-CubeLocalSwitch,STM,ATM,Residential,PowerUser,SOHO,G.Lite,ADSL,HDSL/SDSL,DSLAM,ISP,ISP,InternetBackbone,POTS,IP/ATM,IP/ATM,POTS,POTS,IP/ATM,E-CubeNGSLocalSwitch,L2TP,DSLAM,TelecomNetworkMigration1,CircuitSwitches,LegacyVoiceSTM,TelecomNetworkMigration2,ATMPlane,LegacyVoiceSTM,Mobile,MSC,BSC,TelecomNetworkMigration3,IP/ATMw/MPLS,LegacyVoice,Mobile,MSC,BSC,ISP,ATMVoiceTandem,IPRouterNet,TelecomNetworkMigration4,VoiceTandem,IPCoreLayer#1,MPLS,ISP,BSC,MSC,“BestEffort”,“Quality”IP,IPEdgeLayer,TelecomNetworkMigration5,VoiceTandem,IPCoreLayer#1,MPLS,ISP,BSC,MSC,IPEdgeLayer,API,IntegratedAccessSW,NetworkServer/AgentClusters,Alcatel1000S12,AlcatelstransitionstrategyS12Narrowband,S12NarrowbandHandlesNBservices(POTSandISDN),RSUARCU,DSN,NBcontrol,voice(E1:2Mb/s),voice(POTS/ISDN),1,Alcatel1000S12,AlcatelstransitionstrategyS12withMPSRandSDH,S12withMPSRandSDHlinksNBservicesoverBBtransportAvailability:1998,RSUARCU,NBcontrol,voice(E1:2Mb/s),VoSDH,DSN,voice(STM-1VC-12:155Mb/s),voice(POTS/ISDN),MPSR,2,AlcatelstransitionstrategyOnlynarrowbandservices,fewATMlinks,S12withATMlinksandNB/BBtransportinterworkingOfferintegratedVoATMandVoIPdependingonthepositioninthenetwork,Alcatel1000S12,RSUARCU,VoIPandIP(AAL-5:155Mb/s),VoIP,RAN,NBcontrol,voice(E1:2Mb/s),voice(POTS/ISDN),VoATM(AAL-1:155Mb/s),Internet,VoATM,DSN,mobilevoice(AAL-2:155Mb/s),3,AlcatelstransitionstrategyBroadbandservicesandlotofATMlinks,S12withSDHlinks,ATMlinksandNB/BBinterworkingOfferBBservices,plusintegratedVoATMandVoIP,dependingonthepositioninthenetworkAvailability:2000,Alcatel1000S12,RSUARCU,IP(ATM:155Mb/s),DSN,VoIP,RAN,VoSDH,NBcontrol,voice(E1:2Mb/s),voice(STM-1:155Mb/s),voice(POTS/ISDN),voice,data(ATM:155Mb/s),MSAN,ADSL,Internet,BBcontrol,VoATM,MPSR,ATM,4,Alcatel1000S12,AlcatelstransitionstrategyS12inaMulti-Servicenetwork,S12inaMulti-Servicenetwork,BSC,A,2GAccess,3GAccess,STM1/4,BISDN,Analog,BRA,ATM25Mb/sor10Mb/sEthernet,NT,M,xDSLNT,xDSL,CallServer,G3BSC,Iu,MSAN,Internet,IProuter,ATMservices:-AAL1,AAL2,AAL5-SVC,PVC,DSN,VoIP,RAN,NBcontrol,BBcontrol,VoATM,VoSDH,MPSR,5,BuildingtheNewWorld,Newarchitecturefordeployingvoice,video,anddataservicesMakesusofATM,IP,andDSLtechnologiesSwitchedvoiceservicesInternet,intranet,andextranetservicesBroadbandtothehomeandsmallbusinessFaulttolerantHighqualityFlexible,SprintIONArchitecture,Sprint,POP,Sprint,POP,IP+ATM,LocalAccess,TelecommuterSOHO,Residential,RemoteOffice,BranchOffice,InternetAccess,PSTN,Multi-ServiceMuxinCPE,Cisco,MGX,8800,Cisco,MGX,8800,DS1and,NxDS1,Cisco,6xx,DS3/OC-3,Cisco,3810,Cisco,26/3600,CPE,DS1,Intra-City,ATM,LEC,POP,Internet,POP,POP,xDSL,DS1,xDSL,IP+ATM,Edge,Cisco,Router,IP+ATMCore,PSTN,GW,IP+ATMBackbone,PSTN,Network,Multi-Services,Router,TGW,AGW,DGW,SGW,MGC,SEN,MSW,CSW,RC,SprintIONModel,SuccessionNetwork-AllDistanceNetwork,TDMSwitch,TDMSwitch,TDMSwitch,TDMCore,SPM,SPM,STM1,XA-Core,DMS,STM1,DS1,SPM,Tandem,SDM,DeliverskeysetoflocalandlongdistanceservicesonasingleplatformEnablestheintegrationoflocalandlongdistanceserviceEnablesaflatternetwork,significantlyreducingcomplexityandreducingCostofOwnershipOpensthedoortomulti-mediaservicesDistributedarchitectureusingindustrystandards(ISUP+,MGCP,etc.),supportingvariousaccessgateways,TDMCore,Core,DMS,SPM,TDMTrunking,VoiceAccess,EndOffice,UE9000,UE9000&DLC,MG4000,PassportATM15000,AnyVendorsTDMSwitch,IXCTandem/TransitOffice,MG5000,PassportATM15000-S,SuccessionNetwork,FullyintegratedwithexistingservicecapabilitiesDirecthigh-speedcustomeraccessScalabilityandreliabilityIntegratedOAM&PFuture-proofnetwork,PACKETBACKBONENETWORK,VToA,POTS,ISDNxDSL,FTTCVoIPPrivateLinesWirelessBSCs,CS,xDSLAggregationDialAccess,WirelessSwitch,MG5000,MG4000,MG4000,MG4000,UE9000S,Openstandardscompli