電信發(fā)展大趨勢

電信傳輸研討所趙慧玲

電信網(wǎng)絡(luò)技術(shù)的開展1/28/20241電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲為信息產(chǎn)業(yè)部研討開展戰(zhàn)略，技術(shù)體制,規(guī)范和規(guī)范，測試和任證。為電信運營公司提供技術(shù)支持：進展設(shè)備選型和技術(shù)咨詢。例如：IN，SS7，ISDN，同步網(wǎng)，編號，SDH，WDM，接入網(wǎng)，幀中繼，多媒體，ATM，IP，IP，GSM，CDMA，高速訊呼和IMT－2000。

電信傳輸研討所1/28/20242電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲圖1我國電信網(wǎng)的構(gòu)成公用無線數(shù)據(jù)網(wǎng)B-ISDNFRNX.25DDNN-ISDNPSTN業(yè)務(wù)網(wǎng)支撐網(wǎng)No.7信令網(wǎng)同步網(wǎng)電信管理網(wǎng)傳送網(wǎng)話音平臺智能網(wǎng)公共業(yè)務(wù)平臺電子郵件/存儲轉(zhuǎn)發(fā)/EDI語音信息臺多媒體信息效力臺IP網(wǎng)挪動網(wǎng)1/28/20243電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲AnnualRevenueAnnualIncomeNote:Level3hadhighExtraordinaryRevenuesin1998thatmorethancompensatedtheLossonOrdinaryOperationsshowninthischartMCIWorldcomRevenuemixAT&TrevenuemixAT&Trevenuemixwasthefollowingin1998:Businessservices:23,611MillionUSD(or44%oftherevenue)Consumerservices:22,885MillionUSD(43%)Wirelessservices:5,406MillionUSD(10%)Otherservices:1,321MillionUSD(2%)AT&TisjuststartingtointroduceBroadband&InternetServicesintheirreporting.Theseaccountedfor3.4%oftheirrevenuesinthe1Q99.Voice: 91-92 92-93 93-94 94-95 95-96Maintelephonesinservice: +36% +51% +57% +49% +35%Data:NumberofInternethosts: - - - +277% +820%NumberofPCs: - +37% +55% +44% +42%ConclusionThereisstillalotofgrowthintraditionalvoiceTherevenueslargelycomefromthevoicetraffic

Trafficvolumegrowthofvoiceanddata

TheChinafigures,asproposedbyITU1/28/20248電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲ExpectedgrowthofVoice-over-IPBy2002,VoIPisexpectedtobe10.8%oftotalvoicetraffic

(national+international)(Internet+IPmanagednetworks)

ForChinatheforecastis1.2%in2002;4.5%in2005Traditionalvoicehastobesupportedforalotofyears!Source:IDC/LinkBCGanalysisSource:OVUMReport123Segmentationofoperators

BasedonthebackboneprotocolEstablishedoperatorslookingforveryopenmultiservicenetworksFordata:useofATMbackbonetotransportIPandFRForvoice:optimizationofcircuitnetworks(ATMbackbone,voiceoverSDH,trunkingofVoATMandVoIPintheexistingnetwork)FullsupportofexistingservicesandintroductionofnewservicesNewtelecomoperatorscontinuingATMdeployment,carryingIP,VoiceandFrameRelayInternetserviceprovidersandnewentrantsaskingforpureIPswitchingbackboneATMandIPdeploymentinthebackboneExistingvoicenetworkintegrationonATMmigrationtoIPATMmigrationtoIPIPdeployment132ThechoicesofsomeUSoperators

ATM,ATM/IPorIPEstablishedoperators,focusingonATM(multi-servicenetworks)RBOCs(Ameritech,BellAtlantic,BellSouth,SBCCommunications,USWEST),MCI,GTE,IXC,AT&T,(Sprint(ION):novoiceyet)Newentrants,focusingonATM(delayedmigratingtoIP)Williams,QwestNewentrantsfocusingonpureIPbackbones

(managedIPnetworks)Level3,Frontier,UUNet132寬帶平臺和接入的技術(shù)焦點IPoverATM/SDH/FIBER觀念之一：G交換路由器＋優(yōu)化光纖網(wǎng)絡(luò)新一代網(wǎng)絡(luò)集話音、視頻和數(shù)據(jù)為一體；帶寬“第一目的〞，其它次要位置，提高競爭力；一致IP，不用顧及多業(yè)務(wù)，可處理QOS；防止ATM的復(fù)雜和開銷，降低復(fù)雜性；CIPOA、LANE在實時業(yè)務(wù)時不能保證QOS；本錢降低幾十倍；利用HFC，STB和CableModem是IP產(chǎn)品適宜城域網(wǎng)；業(yè)務(wù)的價錢提供多媒體信息效力。1/28/202413電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲寬帶平臺和接入的技術(shù)焦點IPoverATM/SDH/FIBER觀念之二：ATM＋SDH完善的QOS；業(yè)務(wù)的靈敏性：IP、實時和其它業(yè)務(wù)；綜合效益高；符合公網(wǎng)開展方向，在全球大量采用；G交換路由器僅適宜純IP骨干；新技術(shù)和新協(xié)議開展快、風(fēng)險大，可部分實驗；面臨管理、工程、學(xué)術(shù)等不同問題。1/28/202414電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲3、面臨的能夠挑戰(zhàn)〔1〕IP帶來的技術(shù)挑戰(zhàn)QOS，COS的提供戰(zhàn)略〔IP-Qos、ATM-Qos〕；規(guī)范的把握：CIPOA，MPLS，RSVP，Signaling等等；IntegratedServices，DifferentiatedServices；Multicast；xDSL引入戰(zhàn)略〔PVC、SVC、PPP、Cell/IPatdesk等等〕；技術(shù)實驗的內(nèi)容、范圍、方式和步驟；寬帶業(yè)務(wù)的引入戰(zhàn)略。1/28/202415電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲3、面臨的能夠挑戰(zhàn)〔2〕業(yè)務(wù)挑戰(zhàn)寬帶業(yè)務(wù)〔近期的選擇〕： 接入：xDSL/CableModem/Ethernet/ATM25; 終端：TV、PC; 運用：IP/Cell/WebTV〔Web、Video、Multicast〕； 效力：管理性、可靠性。1/28/202416電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲新情勢對電信網(wǎng)的要求(1)1).目前的電信網(wǎng)是為設(shè)計的，正在改造以便傳數(shù)據(jù)和圖象。未來的趨勢將主要按數(shù)據(jù)業(yè)務(wù)來設(shè)計網(wǎng)絡(luò)，但可用來傳，數(shù)據(jù)和圖象業(yè)務(wù)。對現(xiàn)有電路交換網(wǎng)的改造是不可防止的！(例子：Cisco總工的預(yù)言)-象WorldCom這樣的少數(shù)新興電信公司的網(wǎng)絡(luò)數(shù)據(jù)業(yè)務(wù)量已超越，而象AT&T,USSprint等傳統(tǒng)公司的網(wǎng)絡(luò)數(shù)據(jù)業(yè)務(wù)量也將在2005年左右超越業(yè)務(wù)量1/28/202417電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲-大型電信公司都在調(diào)整部署，削減傳統(tǒng)公用電信網(wǎng)部門，加強數(shù)據(jù)通訊特別是IP產(chǎn)品部門〔例子：愛立信〕2).TCP-IP將成為電信網(wǎng)的主導(dǎo)的上層通訊言語3).必需保證網(wǎng)絡(luò)端到端的效力質(zhì)量〔QoS〕，為此中心網(wǎng)部分必需引入SDH+ATM并保證其可用性與網(wǎng)相當(dāng)。4).電信網(wǎng)的大趨勢是逐漸實現(xiàn)分組化，無銜接化和全球?qū)ぶ?，最終構(gòu)成一無縫的IP網(wǎng)絡(luò)構(gòu)造！新情勢對電信網(wǎng)的要求(2)1/28/202418電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲5)必需暫時放棄端到端ATM銜接的理想，用戶處將以以太網(wǎng)/快速以太網(wǎng)和IP接入為主6)銅纜接入網(wǎng)必需改造，出路光纖+無線7)為應(yīng)付IP及其他業(yè)務(wù)引起的宏大壓力,以WDM技術(shù)為代表的下一代大容量光網(wǎng)絡(luò)建立勢在必行，長途主干線上應(yīng)開場運用新一代光纖，各種IP業(yè)務(wù)的旁路技術(shù)也大有市場8)對電信公司，實現(xiàn)和數(shù)據(jù)的交融是首要任務(wù)，下一步才是多媒體，三網(wǎng)交融是長久目的新情勢對電信網(wǎng)的要求(3)1/28/202419電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲下一代網(wǎng)絡(luò)Newpublicnetwork(NPN)新的公用網(wǎng)Unifiednetwork一體化網(wǎng)Continuouslyupgrablenetwork可繼續(xù)開展的網(wǎng)絡(luò)R/S1/28/202420電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲CoreNetworkMigrationforIPPremiumService =Money-Making =ControlledQoSRegularBestEffort =NotMoney-Making =SuppressInvestmentAccessNetworkAccessNetworkIP/ATM“Premium〞Servicesw/ControlledQoSIP/SONETorWDMRegularBest-EffortServicesIPCoreNetwork1/28/202421電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲可繼續(xù)開展網(wǎng)絡(luò)的根本要求可支持現(xiàn)有和將有的一切業(yè)務(wù)具有宏大的可繼續(xù)擴容的鏈路容量和節(jié)點容量,因此物理層一定是以WDM為根底，以O(shè)ADM與OXC為節(jié)點的光傳送網(wǎng)TCP-IP將成為主導(dǎo)的上層通訊言語，但不完全排除其他通訊協(xié)議，因此可同時支持現(xiàn)有電路交換網(wǎng)，ATM網(wǎng)，以太網(wǎng)和寬帶IP網(wǎng)具有很高的網(wǎng)絡(luò)和業(yè)務(wù)生存性最終將是以IP為根底的無縫交融的網(wǎng)1/28/202422電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲網(wǎng)網(wǎng)關(guān)數(shù)據(jù)中心網(wǎng)IP/ATM/SDH/Optical接入效力器以數(shù)據(jù)為主的未來網(wǎng)絡(luò)構(gòu)造Internet大企事業(yè)居民接入效力器RRATMSW1/28/202423電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲IPoverOpticalIPoverSDHIPoverATM未來的IP分層傳送網(wǎng)1/28/202424電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲Multi-ServicesData-CentricNetworkVisionPOTSISDNPSTNSignalingGatewayPOTSIPAccessServerxDSLResidentialGatewayOtherBusinessMUXEdgeSwitchRADIUSServersBillingServersNameServersDataVPNSessionManagersNetworkManagementServiceandBusinessManagementNetworkDatabasesPSTNFeaturesServersResourceServersNetworkandServiceManagementRASPOTSISDNPOTSISDNOC3xDSLRemoteAccessServerVoiceATMLANsNIUNIUFixedWirelessBusinessWirelessPacketCircuitGatewayFirewall...InternetPSTNSDH/OpticalCoreNetworkIP/ATM/SDH/Optical1/28/202425電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲7R/EArchitectureAnyVendor’sTandemorLongDistanceOfficeVoice/Data/VideoMulti-ServicePacketNetworkSS7NetworkSTPATM/IPCoreNetworkATIXCEOFeatureServersMulti-MediaResourceServerOneLinkOAM&PManagerSCPPacketGatewaysAnyVendor’sEndOfficePacketGatewaysFullRangeofNarrow&BroadBandCircuit&PacketAccessFullRangeofNarrow&BroadBandCircuit&PacketAccess1/28/202426電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲Howpacketnetworkscanprovidevoiceservicesthatarecompetitivewithcircuitswitchednetworks7R/Eis...7R/EMulti-ServiceSolutionATIXCEOPacketGatewaysAnyVendor’sEndOfficePacketGatewaysFullRangeofNarrow&BroadbandCircuit&PacketAccessPacketNetworkFeatureServerOneLinkOAM&PManagerMulti-MediaResourceServerFullRangeofNarrow&BroadbandCircuit&PacketAccess1/28/202427電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲7R/Eis...7R/EPacketLocalSolutionHowothervendor’send-officeswitchescanuselowercostpackettransportandprovidenewIP/ATMbasedfeatures&servicesPacketNetworkCircuitNetworkTrunkAccessGatewayLineAccessGatewayFeatureServerOneLinkOAM&PManagerMulti-MediaResourceServer1/28/202428電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲CircuitNetwork7R/Eis...Howtomorrow’standemsarebuilttovirtuallyeliminatetandemcongestionandexhaust7R/EPacketTandemSolutionPacketGatewaysPacketGatewaysFeatureServer(s)OneLinkOAM&PManager)1/28/202429電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲7R/Eis...Howthe5ESSistransformedintoa7R/Etoachieverapidfeaturecreationandalmostunlimitedscaleability7R/EPacketDriver(5ESSto7R/Etransformation)AMLineUnitsSM2000SMPTrunkUnitsPacketGatewaysOneLinkOAM&PManagerHub/BridgeorSwitch/RouterPacketGatewaysPacketGatewaysLineUnitsSM2000SMPTrunkUnitsLineUnitsSM2000SMPTrunkUnitsCM2FeatureServer(sMulti-MediaResourceServer1/28/202430電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲7R/Eis...Howcircuitandpacketnetworkswilloff-loaddial-updatatrafficandofferremoteaccessservices7R/EDial-upDataSolution(MultiServicesModule)PacketNetworks(IP/FR/ATM)PublicInternetISPInter-OfficeCircuitNetworksMSMMSMMSMMSM1/28/202431電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲CoreDataNetworkTodayIPandnon-IPtrafficiscarriedoverATM/SDHcoreConnectionsbetweenroutersareatsub-OC-3ratesATMswitchesaggregatetrafficOpticalLineSystemsaredeployedllIP/ATMATMSwitchATMSwitchATMSwitchATMSwitchRouterRouterRouterNon-IPDataSourceNon-IPDataSourceIPDataSourceIPDataSourceSDHDCS/ADMSDHDCS/ADMSDHDCS/ADMOpticalLineSystemNon-IPDataSource1/28/202432電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲CoreDataNetwork

TomorrowWhilenetworkgrows,routersandswitchesareaddedRoutersthatareinterconnectedviaOC-3pipesorhigher

canuseIP/SDHinterfaces.ATMtrafficaggregationattheedgesofthenetworkwillcontinueATMswitchingandSDHXCintegratedinoneNEIP/SDHlATMSwitchlATMSwitchATMSwitchSDHDCS/ADMSDHDCS/ADMSDHDCS/ADMSDHDCS/ADMRouterRouterRouterRouterRouterRouterSDHDCS/ADMIPDataSourceIPDataSourceIPDataSourceATMSwitchSDHDCS/ADMRouterRouterNon-IPDataSourceNon-IPDataSourceATMSwitchRouterNon-IPDataSourceSDHDCS/ADMOpticalLineSystem1/28/202433電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲RoutersthatareinterconnectedviaOC-48pipesorhighercanuseIP/WDMinterfacesRoutersperformtheinterworkingfunctionbetweenIP/ATM,IP/SDHandIP/WDMCoreNetwork-BeyondllIP/WDMlRouterRouterRouterRouterRouterRouterIP/SDHSDHDCS/ADMSDHDCS/ADMRouterRouterRouterRouterATMSwitchATMSwitchRouterRouterATMSwitchATMSwitchSDHDCS/ADMSDHDCS/ADMSDHDCS/ADMSDHDCS/ADMSDHDCS/ADMSDHDCS/ADMRouterRouterRouterATMSwitchNon-IPDataSourceIPDataSourceIPDataSourceIPDataSourceNon-IPDataSourceOpticalXC/ADMOpticalXC/ADMOpticalLineSystemOpticalLineSystem1/28/202434電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲PSTNATMPSTNATMPSTNExchangeATMExchangeEWSDBroadbandNodeEWSDBroadbandNode-

ChangingBroadbandNetworkScenario1/28/202435電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲LocalNetworkwithEWSDBroadbandNodeEWSDOAM

incl.

ATMandDSLATMPSTNSS7Remote

SiteRemote

SiteEWSD

BroadbandNode1/28/202436電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲EWSDBroadbandNode-

EmbeddinginExistingNetworksLegacyNodeorConcentratorLocalExch.EWSDInnovationNodeEWSDInnovationNodeTrunkExch.SDHPHDLUSDH/PDHRSURemoteSwitchingUnitDLUDigitalLineUnitPHPacketHubFRFrameRelayBroadbandPSTN/ISDNRSUotherATM/FRnetworkMSPstandaloneATMswitche.g.36170/36190BroadbandPSTN/ISDNDLUPHPH1/28/202437電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲E-CubeNGSAdaptationtoHybridSolutionAnalog/N-ISDNATMUNIProcessorIP/ATMIP/ATMMPLSLabelmappingSTMModuleIWUFETEX-150E-CubeLAN1/28/202438電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲E-CubeATMSwitchwithMPLSMPLSModuleLDP :LabelDistributionProtocolOSPF :OpenShortestPathFirstBGP-4 :BorderGatewayProtocolVer.4BSGC :BroadbandSignalingControlPVC :PermanentVirtualConnectionBCPR :BroadbandCallProcessorAPI :ApplicationProgramInterfaceFETEX-150ATMUNILineLineLineAPIBCPRBSGCAPIRoutingProtocolsIPdataconnectionLDP,BGP-4,OSPF signalingconnectionRoutingsignaling(OSPF,BGP-4) termination(ManagementIProutingtable)LDPtermination(Labelassignment: ManagementofIPaddressandLabel (VPI,VCI)information)OrderofconnectionsetupviaAPIATMterminationAALterminationRelayofAPIinformationAPIinformationCommunicationwithMPLS modulethroughAPI(Software)ConnectionsetupManagementofconnection informationConnectionsetupOSPF/BGP4/LDPVCImapSetupSetupOC-3SwitchOSPF,BGP-4,LDP1/28/202439電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲E-CubeNGSAdaptationtoATM-centricSolutionFETEX-150E-CubeAnalog/N-ISDNATMUNISTMModuleATMModuleProcessorIP/ATMIP/ATMIWUIPMLAN1/28/202440電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲E-CubeLocalSwitchL2TP(AccessConcentrator) —AllowssubscriberstoselectISPs —AggregatesIPpacketforthesamedestinationSTMATMResidentialPowerUserSOHOG.LiteADSLHDSL/SDSLDSLAMISPISPInternetBackbonePOTSIP/ATMIP/ATMPOTSPOTSIP/ATME-CubeNGSLocalSwitchL2TPDSLAM1/28/202441電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲TelecomNetworkMigration–1CircuitSwitchesLegacyVoiceSTM1/28/202442電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲TelecomNetworkMigration–2ATMPlaneLegacyVoiceSTMMobileMSCBSC1/28/202443電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲TelecomNetworkMigration–3IP/ATMw/MPLSLegacyVoiceMobileMSCBSCISPATMVoiceTandemIPRouterNet1/28/202444電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲TelecomNetworkMigration–4VoiceTandemIPCoreLayer#1MPLSISPBSCMSC“BestEffort〞“Quality〞IPIPEdgeLayer1/28/202445電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲TelecomNetworkMigration–5VoiceTandemIPCoreLayer#1MPLSISPBSCMSCIPEdgeLayerAPIIntegratedAccessSWNetworkServer/AgentClusters1/28/202446電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲Alcatel1000S12Alcatel’stransitionstrategy

S12NarrowbandS12NarrowbandHandlesNBservices(POTSandISDN)RSU

ARCUDSNNBcontrolvoice(E1:2Mb/s)voice(POTS/ISDN)1Alcatel1000S12Alcatel’stransitionstrategy

S12withMPSRandSDHS12withMPSRandSDHlinksNBservicesoverBBtransportAvailability:1998RSU

ARCUNBcontrolvoice(E1:2Mb/s)VoSDHDSNvoice(STM-1VC-12:155Mb/s)voice(POTS/ISDN)MPSR2Alcatelstransitionstrategy

Onlynarrowbandservices,fewATMlinksS12withATMlinksandNB/BBtransportinterworkingOfferintegratedVoATMandVoIPdependingonthepositioninthenetworkAlcatel1000S12RSU

ARCUVoIPandIP

(AAL-5:155Mb/s)VoIPRANNBcontrolvoice(E1:2Mb/s)voice(POTS/ISDN)VoATM(AAL-1:155Mb/s)InternetVoATMDSNmobilevoice(AAL-2:155Mb/s)3Alcatel’stransitionstrategy

BroadbandservicesandlotofATMlinksS12withSDHlinks,ATMlinksandNB/BBinterworkingOfferBBservices,plusintegratedVoATMandVoIP,dependingonthepositioninthenetworkAvailability:2000Alcatel1000S12RSU

ARCUIP(ATM:155Mb/s)DSNVoIPRANVoSDHNBcontrolvoice(E1:2Mb/s)voice(STM-1:155Mb/s)voice(POTS/ISDN)voice,data(ATM:155Mb/s)MSANADSLInternetBBcontrolVoATMMPSRATM4Alcatel1000S12Alcatel’stransitionstrategy

S12inaMulti-ServicenetworkS12inaMulti-ServicenetworkBSCA2GAccess3GAccessSTM1/4NetworkServicesFeatures/DirectoryCAccess

ControlPSTNBISDNAnalogBRAATM25Mb/sor10Mb/sEthernetNTMxDSLNTxDSLOther

Servers

(billing,etc.)CallServerG3BSCIuMSANInternetIProuterATMservices:

-AAL1,AAL2,AAL5-SVC,PVCDSNVoIPRANNBcontrolBBcontrolVoATMVoSDHMPSR5SPRINTUNVEILS

REVOLUTIONARYNETWORKHigh-Speed,High-Bandwidth,

Multi-FunctionCapabilitiesOverSinglePhoneLineNEWYORK,June2,1998--Sprintannouncedtodayarevolutionarynewtelecommunicationscapabilitythatcanprovidehomesandbusinesseswithvirtuallyunlimitedbandwidthoverasingleexistingtelephonelineforsimultaneousvoice,videocallsanddataservices.BuildingtheNewWorldNewarchitecturefordeployingvoice,video,anddataservicesMakesusofATM,IP,andDSLtechnologiesSwitchedvoiceservicesInternet,intranet,andextranetservicesBroadbandtothehomeandsmallbusinessFaulttolerantHighqualityFlexible1/28/202453電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲SprintIONArchitectureSprintPOPSprintPOPIP+ATMLocalAccessTelecommuterSOHOResidentialRemoteOffice,BranchOfficeEnterpriseSprintPOPInternetAccessPSTNMulti-ServiceMuxinCPECiscoMGX8800CiscoMGX8800DS1andNxDS1Cisco6xxDS3/OC-3Cisco3810Cisco26/3600CPEDS1Intra-CityATMLECPOPInternetPOPPOPxDSLDS1xDSLIP+ATMEdgeCiscoRouterIP+ATMCorePSTNGWIP+ATMBackbonePSTNNetworkMulti-ServicesRouter1/28/202455電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲TGW,AGWDGWSGW,MGC,SENMSWCSWRCSprintIONModel

SuccessionNetwork-AllDistanceNetworkTDMSwitchTDMSwitchTDMSwitchTDMCoreSPMSPMSTM1XA-CoreDMSSTM1DS1SPMTandemSDMDeliverskeysetoflocalandlongdistanceservicesonasingleplatformEnablestheintegrationoflocalandlongdistanceserviceEnablesaflatternetwork,significantlyreducingcomplexityandreducingCostofOwnershipOpensthedoortomulti-mediaservicesDistributedarchitectureusingindustrystandards(ISUP+,MGCP,etc.),supportingvariousaccessgatewaysTDMCoreCoreDMSLinesDLCSPMTDMTrunkingVoiceAccessEndOfficePSTNUE9000SuccessionMG4000MG4000MG5000TDMSwitchUE9000MG4000PacketBackboneNetworkVoice,xDSL,PrivateLinesAccessMGCPMGCPGatewaySuccessionCallServerSuccessionNetworkManagerPSTNOtherAccessPassportUE9000S1/28/202457電信網(wǎng)絡(luò)技術(shù)的開展RITT趙慧玲UE9000&DLCMG4000InternetISPNetworkWirelessNetworkPassportATM15000AnyVendor’sTDMSwitchIXCTandem/TransitOfficeMG5000PassportATM15000-SSuccessionNetworkFullyintegratedwithexistingservicecapabilitiesDirecthigh-speedcustomeraccessScalabilityandreliabilityIntegratedOAM&PFuture-proofnetworkPACKETBACKBONENETWORKVToAPOTS,ISDNxDSL,FTTCVoIPPrivateLinesWirelessBSCsCSNMxDSLAggregationDialAccessWirelessSwitchSuccessionNetworkManagerSuccessionCallServerSuccessionMulti-serviceGatewayAsynchronousTransferModeExistingcircuitswitchingCSNMMGATMMG5000MG4000MG4000MG4000SS7Networ