電信發(fā)展大趨勢(shì)

電信傳輸研究所趙慧玲

電信網(wǎng)絡(luò)技術(shù)的發(fā)展9/27/20231電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲為信息產(chǎn)業(yè)部研究發(fā)展策略，技術(shù)體制,規(guī)范和標(biāo)準(zhǔn)，測(cè)試和任證。為電信運(yùn)營(yíng)公司提供技術(shù)支持：進(jìn)行設(shè)備選型和技術(shù)咨詢。例如：IN，SS7，ISDN，同步網(wǎng)，編號(hào)，SDH，WDM，接入網(wǎng)，幀中繼，多媒體，ATM，IP，IP電話，GSM，CDMA，高速訊呼和IMT－2000。

電信傳輸研究所9/27/20232電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲圖1我國(guó)電信網(wǎng)的構(gòu)成

公用無(wú)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(tái)智能網(wǎng)公共業(yè)務(wù)平臺(tái)電子郵件/傳真存儲(chǔ)轉(zhuǎn)發(fā)/EDI語(yǔ)音信息臺(tái)多媒體信息服務(wù)臺(tái)IP網(wǎng)移動(dòng)網(wǎng)9/27/20233電信網(wǎng)絡(luò)技術(shù)的發(fā)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,asproposedbyITU9/27/20238電信網(wǎng)絡(luò)技術(shù)的發(fā)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(tái)和接入的技術(shù)焦點(diǎn)IPoverATM/SDH/FIBER觀點(diǎn)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“第一目標(biāo)”，其它次要地位，提高競(jìng)爭(zhēng)力；統(tǒng)一IP，不必顧及多業(yè)務(wù)，可解決QOS；避免ATM的復(fù)雜和開銷，降低復(fù)雜性；CIPOA、LANE在實(shí)時(shí)業(yè)務(wù)時(shí)不能保證QOS；成本降低幾十倍；利用HFC，STB和CableModem是IP產(chǎn)品適合城域網(wǎng)；電話業(yè)務(wù)的價(jià)格提供多媒體信息服務(wù)。9/27/202313電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲寬帶平臺(tái)和接入的技術(shù)焦點(diǎn)IPoverATM/SDH/FIBER觀點(diǎn)之二：ATM＋SDH完善的QOS；業(yè)務(wù)的靈活性：IP、實(shí)時(shí)和其它業(yè)務(wù)；綜合效益高；符合公網(wǎng)發(fā)展方向，在全球大量采用；G交換路由器僅適合純IP骨干；新技術(shù)和新協(xié)議發(fā)展快、風(fēng)險(xiǎn)大，可局部試驗(yàn)；面臨管理、工程、學(xué)術(shù)等不同問題。9/27/202314電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲3、面臨的可能挑戰(zhàn)（1）IP帶來(lái)的技術(shù)挑戰(zhàn)QOS，COS的提供策略（IP-Qos、ATM-Qos）；標(biāo)準(zhǔn)的把握：CIPOA，MPLS，RSVP，Signaling等等；IntegratedServices，DifferentiatedServices；Multicast；xDSL引入策略（PVC、SVC、PPP、Cell/IPatdesk等等）；技術(shù)試驗(yàn)的內(nèi)容、范圍、方式和步驟；寬帶業(yè)務(wù)的引入策略。9/27/202315電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲3、面臨的可能挑戰(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;

應(yīng)用：IP/Cell/WebTV（Web、Video、Multicast）；

服務(wù)：管理性、可靠性。9/27/202316電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲

新形勢(shì)對(duì)電信網(wǎng)的要求(1)1).目前的電信網(wǎng)是為電話設(shè)計(jì)的，正在改造以便傳數(shù)據(jù)和圖象。未來(lái)的趨勢(shì)將主要按數(shù)據(jù)業(yè)務(wù)來(lái)設(shè)計(jì)網(wǎng)絡(luò)，但可用來(lái)傳電話，數(shù)據(jù)和圖象業(yè)務(wù)。對(duì)現(xiàn)有電路交換網(wǎng)的改造是不可避免的！(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)量已超過(guò)電話，而象AT&T,USSprint等傳統(tǒng)電話公司的網(wǎng)絡(luò)數(shù)據(jù)業(yè)務(wù)量也將在2005年左右超過(guò)電話業(yè)務(wù)量9/27/202317電信網(wǎng)絡(luò)技術(shù)的發(fā)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(qiáng)數(shù)據(jù)通信特別是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)的上層通信語(yǔ)言3).必須保證網(wǎng)絡(luò)端到端的服務(wù)質(zhì)量（QoS），為此核心網(wǎng)部分必須引入SDH+ATM并保證其可用性與電話網(wǎng)相當(dāng)。4).電信網(wǎng)的大趨勢(shì)是逐步實(shí)現(xiàn)分組化，無(wú)連接化和全球?qū)ぶ?，最終形成一無(wú)縫的IP網(wǎng)絡(luò)結(jié)構(gòu)！新形勢(shì)對(duì)電信網(wǎng)的要求(2)9/27/202318電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲5)必須暫時(shí)放棄端到端ATM連接的理想，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)必須改造，出路光纖+無(wú)線7)為應(yīng)付IP及其他業(yè)務(wù)引起的巨大壓力,以WDM技術(shù)為代表的下一代大容量光網(wǎng)絡(luò)建設(shè)勢(shì)在必行，長(zhǎng)途主干線上應(yīng)開始應(yīng)用新一代光纖，各種IP業(yè)務(wù)的旁路技術(shù)也大有市場(chǎng)8)對(duì)電信公司，實(shí)現(xiàn)電話和數(shù)據(jù)的融合是首要任務(wù)，下一步才是多媒體，三網(wǎng)融合是長(zhǎng)遠(yuǎn)目標(biāo)新形勢(shì)對(duì)電信網(wǎng)的要求(3)9/27/202319電信網(wǎng)絡(luò)技術(shù)的發(fā)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

可持續(xù)發(fā)展的網(wǎng)絡(luò)R/S9/27/202320電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲CoreNetworkMigrationforIPPremiumService

=Money-Making =ControlledQoSRegularBestEffort

=NotMoney-Making =SuppressInvestmentAccessNetworkAccessNetworkIP/ATM“Premium”Servicesw/ControlledQoSIP/SONETorWDMRegularBest-EffortServicesIPCoreNetwork9/27/202321電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲可持續(xù)發(fā)展網(wǎng)絡(luò)的基本要求可支持現(xiàn)有和將有的所有業(yè)務(wù)具有巨大的可持續(xù)擴(kuò)容的鏈路容量和節(jié)點(diǎn)容量,因而物理層一定是以WDM為基礎(chǔ)，以O(shè)ADM與OXC為節(jié)點(diǎn)的光傳送網(wǎng)TCP-IP將成為主導(dǎo)的上層通信語(yǔ)言，但不完全排除其他通信協(xié)議，因而可同時(shí)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為基礎(chǔ)的無(wú)縫融合的網(wǎng)9/27/202322電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲電話網(wǎng)網(wǎng)關(guān)數(shù)據(jù)核心網(wǎng)

IP/ATM/SDH/Optical接入服務(wù)器以數(shù)據(jù)為主的未來(lái)網(wǎng)絡(luò)結(jié)構(gòu)Internet大企事業(yè)居民接入服務(wù)器RRATMSW9/27/202323電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲IPoverOpticalIPoverSDHIPoverATM未來(lái)的IP分層傳送網(wǎng)9/27/202324電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲Multi-ServicesData-CentricNetworkVisionPOTSISDNPSTNSignalingGatewayPOTSIPAccessServerxDSLResidentialGatewayOtherBusinessMUXEdgeSwitchRADIUSServersBillingServersNameServersDataVPNSessionManagersNetworkManagementServiceandBusinessManagementNetworkDatabasesPSTNFeaturesServersResourceServersNetworkandServiceManagementRASPOTSISDNPOTSISDNOC3xDSLRemoteAccessServerVoiceATMLANsNIUNIUFixedWirelessBusinessWirelessPacketCircuitGatewayFirewall...InternetPSTNSDH/OpticalCoreNetworkIP/ATM/SDH/Optical9/27/202325電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲7R/EArchitectureAnyVendor’sTandemorLongDistanceOfficeVoice/Data/VideoMulti-ServicePacketNetworkSS7NetworkSTPATM/IPCoreNetworkATIXCEOFeatureServersMulti-MediaResourceServerOneLinkOAM&PManagerSCPPacketGatewaysAnyVendor’sEndOfficePacketGatewaysFullRangeofNarrow&BroadBandCircuit&PacketAccessFullRangeofNarrow&BroadBandCircuit&PacketAccess9/27/202326電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲Howpacketnetworkscanprovidevoiceservicesthatarecompetitivewithcircuitswitchednetworks7R/Eis...7R/E

Multi-ServiceSolutionATIXCEOPacketGatewaysAnyVendor’sEndOfficePacketGatewaysFullRangeofNarrow&BroadbandCircuit&PacketAccessPacketNetworkFeatureServerOneLinkOAM&PManagerMulti-MediaResourceServerFullRangeofNarrow&BroadbandCircuit&PacketAccess9/27/202327電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲7R/Eis...7R/E

PacketLocalSolutionHowothervendor’send-officeswitchescanuselowercostpackettransportandprovidenewIP/ATMbasedfeatures&servicesPacketNetworkCircuitNetworkTrunkAccessGatewayLineAccessGatewayFeatureServerOneLinkOAM&PManagerMulti-MediaResourceServer9/27/202328電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲CircuitNetwork7R/Eis...Howtomorrow’standemsarebuilttovirtuallyeliminatetandemcongestionandexhaust7R/E

PacketTandemSolutionPacketGatewaysPacketGatewaysFeatureServer(s)OneLinkOAM&PManager)9/27/202329電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲7R/Eis...Howthe5ESSistransformedintoa7R/Etoachieverapidfeaturecreationandalmostunlimitedscaleability

7R/E

PacketDriver(5ESSto7R/Etransformation)AMLineUnitsSM2000SMPTrunkUnitsPacketGatewaysOneLinkOAM&PManagerHub/BridgeorSwitch/RouterPacketGatewaysPacketGatewaysLineUnitsSM2000SMPTrunkUnitsLineUnitsSM2000SMPTrunkUnitsCM2FeatureServer(sMulti-MediaResourceServer9/27/202330電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲7R/Eis...Howcircuitandpacketnetworkswilloff-loaddial-updatatrafficandofferremoteaccessservices7R/E

Dial-upDataSolution(MultiServicesModule)PacketNetworks(IP/FR/ATM)PublicInternetISPInter-OfficeCircuitNetworksMSMMSMMSMMSM9/27/202331電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲CoreDataNetworkTodayIPandnon-IPtrafficiscarriedoverATM/SDHcoreConnectionsbetweenroutersareatsub-OC-3ratesATMswitchesaggregatetrafficOpticalLineSystemsaredeployedllIP/ATMATMSwitchATMSwitchATMSwitchATMSwitchRouterRouterRouterNon-IPDataSourceNon-IPDataSourceIPDataSourceIPDataSourceSDHDCS/ADMSDHDCS/ADMSDHDCS/ADMOpticalLineSystemNon-IPDataSource9/27/202332電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲CoreDataNetwork

TomorrowWhilenetworkgrows,routersandswitchesareaddedRoutersthatareinterconnectedviaOC-3pipesorhigher

canuseIP/SDHinterfaces.ATMtrafficaggregationattheedgesofthenetworkwillcontinueATMswitchingandSDHXCintegratedinoneNEIP/SDHlATMSwitchlATMSwitchATMSwitchSDHDCS/ADMSDHDCS/ADMSDHDCS/ADMSDHDCS/ADMRouterRouterRouterRouterRouterRouterSDHDCS/ADMIPDataSourceIPDataSourceIPDataSourceATMSwitchSDHDCS/ADMRouterRouterNon-IPDataSourceNon-IPDataSourceATMSwitchRouterNon-IPDataSourceSDHDCS/ADMOpticalLineSystem9/27/202333電信網(wǎng)絡(luò)技術(shù)的發(fā)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/ADMOpticalLineSystemOpticalLineSystem9/27/202334電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲PSTNATMPSTNATMPSTNExchangeATMExchangeEWSDBroadbandNodeEWSDBroadbandNode-

ChangingBroadbandNetworkScenario9/27/202335電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲LocalNetworkwithEWSDBroadbandNodeEWSDOAM

incl.

ATMandDSLATMPSTNSS7Remote

SiteRemote

SiteEWSD

BroadbandNode9/27/202336電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲EWSDBroadbandNode-

EmbeddinginExistingNetworksLegacyNodeorConcentratorLocalExch.EWSDInnovationNodeEWSDInnovationNodeTrunkExch.SDHPHDLUSDH/PDHRSURemoteSwitchingUnitDLUDigitalLineUnitPHPacketHubFRFrameRelayBroadbandPSTN/ISDNRSUotherATM/FRnetworkMSPstandaloneATMswitche.g.36170/36190BroadbandPSTN/ISDNDLUPHPH9/27/202337電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲E-CubeNGSAdaptationtoHybridSolutionAnalog/N-ISDNATMUNIProcessorIP/ATMIP/ATMMPLSLabelmappingSTMModuleIWUFETEX-150E-CubeLAN9/27/202338電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲E-CubeATMSwitchwithMPLSMPLSModuleLDP :LabelDistributionProtocolOSPF :OpenShortestPathFirstBGP-4 :BorderGatewayProtocolVer.4BSGC :BroadbandSignalingControlPVC :PermanentVirtualConnectionBCPR :BroadbandCallProcessorAPI :ApplicationProgramInterfaceFETEX-150

ATMUNILineLineLineAPIBCPRBSGCAPIRoutingProtocols

IPdataconnectionLDP,BGP-4,OSPF signalingconnectionRoutingsignaling(OSPF,BGP-4) termination(ManagementIProutingtable)LDPtermination(Labelassignment: ManagementofIPaddressandLabel (VPI,VCI)information)OrderofconnectionsetupviaAPI

ATMterminationAALterminationRelayofAPIinformation

APIinformationCommunicationwithMPLS modulethroughAPI(Software)ConnectionsetupManagementofconnection information

ConnectionsetupOSPF/BGP4/LDPVCImapSetupSetupOC-3SwitchOSPF,BGP-4,LDP9/27/202339電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲E-CubeNGSAdaptationtoATM-centricSolutionFETEX-150E-CubeAnalog/N-ISDNATMUNISTMModuleATMModuleProcessorIP/ATMIP/ATMIWUIPMLAN9/27/202340電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲E-CubeLocalSwitchL2TP(AccessConcentrator) —AllowssubscriberstoselectISPs —AggregatesIPpacketforthesamedestinationSTMATMResidentialPowerUserSOHOG.LiteADSLHDSL/SDSLDSLAMISPISPInternetBackbonePOTSIP/ATMIP/ATMPOTSPOTSIP/ATME-CubeNGSLocalSwitchL2TPDSLAM9/27/202341電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲TelecomNetworkMigration–1CircuitSwitchesLegacyVoiceSTM9/27/202342電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲TelecomNetworkMigration–2ATMPlaneLegacyVoiceSTMMobileMSCBSC9/27/202343電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲TelecomNetworkMigration–3IP/ATMw/MPLSLegacyVoiceMobileMSCBSCISPATMVoiceTandemIPRouterNet9/27/202344電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲TelecomNetworkMigration–4VoiceTandemIPCoreLayer#1MPLSISPBSCMSC“BestEffort”“Quality”IPIPEdgeLayer9/27/202345電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲TelecomNetworkMigration–5VoiceTandemIPCoreLayer#1MPLSISPBSCMSCIPEdgeLayerAPIIntegratedAccessSWNetworkServer/AgentClusters9/27/202346電信網(wǎng)絡(luò)技術(shù)的發(fā)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,andextranetservicesBroadbandtothehomeandsmallbusinessFaulttolerantHighqualityFlexible9/27/202353電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲SprintIONArchitectureSprintPOPSprintPOPIP+ATMLocalAccessTelecommuterSOHOResidentialRemoteOffice,BranchOfficeEnterpriseSprintPOPInternetAccessPSTNMulti-ServiceMuxinCPECiscoMGX8800CiscoMGX8800DS1andNxDS1Cisco6xxDS3/OC-3Cisco3810Cisco26/3600CPEDS1Intra-CityATMLECPOPInternetPOPPOPxDSLDS1xDSLIP+ATMEdgeCiscoRouterIP+ATMCorePSTNGWIP+ATMBackbonePSTNNetworkMulti-ServicesRouter9/27/202355電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲TGW,AGWDGWSGW,MGC,SENMSWCSWRCSprintIONModel

SuccessionNetwork-

AllDistanceNetwork

TDMSwitchTDMSwitchTDMSwitchTDMCoreSPMSPMSTM1XA-CoreDMSSTM1DS1SPMTandemSDMDeliverskeysetoflocalandlongdistanceservicesonasingleplatformEnablestheintegrationoflocalandlongdistanceserviceEnablesaflatternetwork,significantlyreducingcomplexityandreducingCostofOwnershipOpensthedoortomulti-mediaservicesDistributedarchitectureusingindustrystandards(ISUP+,MGCP,etc.),supportingvariousaccessgatewaysTDMCoreCoreDMSLinesDLCSPMTDMTrunkingVoiceAccessEndOfficePSTNUE9000SuccessionMG4000MG4000MG5000TDMSwitchUE9000MG4000PacketBackboneNetworkVoice,xDSL,PrivateLinesAccessMGCPMGCPGatewaySuccessionCallServerSuccessionNetworkManagerPSTNOtherAccessPassportUE9000S9/27/202357電信網(wǎng)絡(luò)技術(shù)的發(fā)展RITT趙慧玲UE9000&DLCMG4000InternetISPNetworkWirelessNetworkPassportATM15000AnyVendor’sTDMSwitchIXCTandem/TransitOfficeMG5000PassportATM15000-SSuccessionNetworkFullyintegratedwithexistingservicecapabilitiesDirecthigh-speedcustomeraccessScalabilityandreliabilityIntegratedOAM&PFuture-proofnetworkPACKETBACKBONENETWORKVToAPOTS,ISDNxDSL,FTTCVoIPPrivateLinesWirelessBSCsCSNMxDSLAggregationDialAccessWirelessSwitchSuccessionNetworkManagerSuccessionCallServerSuccessionMulti-serviceGatewayAsynchronousTransferModeExistingcircuitswitchingCSNMMGATMMG5000MG4000MG4000MG4000