Cisco城域接入網(wǎng)絡(luò)解決方案

---Cable

AgendaCiscoCATVSolution

ProductUpdateTheCiscoAdvantageNodeHeadend/RegionalDataCenterNodeNodeHubHubNodeNodeNodeHubNodeCOAXTapNodeNodeDrop600-2000HomesDropHomeArchitectureDistributionArchitectureHUBArchitectureCable系統(tǒng)一個有限電視網(wǎng)的5個主要部件體系結(jié)構(gòu)部件頭端中繼電纜鄰域中的分布電纜分接電纜終端設(shè)備(電視、電纜調(diào)制解調(diào)器、機(jī)頂盒等)電纜系統(tǒng)拓?fù)?/p>

(光纖節(jié)點(diǎn))從/到頭端級聯(lián)中一般不到5個放大器一個節(jié)點(diǎn)一般支持200--2000個家庭樹和枝杈系統(tǒng)頭端光纖節(jié)點(diǎn)中繼電纜激活一個雙向網(wǎng)絡(luò)RHE

(地區(qū)頭端)其他來源Modulator

andScramblerForEach

ChannelFiberRack

TX/RX本地頭端HFCLHELHE光纖雙向LCUpConverteruBR7246光纖節(jié)點(diǎn)電纜調(diào)制解調(diào)器TapTVReceiverModulator

andScramblerReceiverHub示意圖FastEther/Gig-EtherModulatorsAMandDigitalChannelsUniversalBroadbandRouterRFRFMCNSDownMCNSUpOC-48SONET/SDH/...Upconverter，射頻調(diào)制HL混頻器7204MPS有線電視網(wǎng)(HFC)的接入模擬電話UBR7246CableRouterHFC

數(shù)據(jù)網(wǎng)CableModemUBR924/SmallCablerouter/機(jī)頂盒銅軸電纜5-42MHz

銅軸電纜以太網(wǎng)PCTVTV下行27-40Mbps/Modem上行nx(2.5-5Mbps)/Modem,n=1,2,4,6uBR7246CombinerCHACHBCHCCHDLocalFeedCombinerEachsetofhomesseestheirprimarydownstreamchannelDownstream:FrequencyConverter有線電視網(wǎng)(HFC)的接入HFCuBR7246UpstreamterminateonrespectiveLineCardUpstreams:有線電視網(wǎng)(HFC)的接入HFCSampleCablePlantLayoutupstreamdownstreamfutureDOCSISOOBDAVICAnalogTVDigitalTV0Mhz750Mhz42MhzNote:thefrequenciesforanalogvs.digitalarearbitrary;onlymust-carrylawsdictatechannelplacement.CableChannel?NTSC

-USA-6MHz -27/36Mbit/sec?PAL

-Europe-8MHz -36/46Mbit/sec?64/256QAM -RFModulateddigitalsignal -QuadratureAmplitudeDataRatesFreqRangeMHzTDMACarrierQAM-2568b/SymQAM-646b/SymQAM-164b/SymQPSK2b/Sym54-86054-86054-86054-8605-425-425-425-42ChannelWidthMHz6863.2BaudRateMSps5.36057.155.0576.741.282.561.282.56RawBitRateMbps42.8857.230.3440.445.1210.242.565.12PayloadRateMbps~38~57~27~36~4.6~9~2.3~4.6目前使用DOCSISDataOverCableNetworksOSIHigherLayersTransportNetworkDataLinkPhysicalApplicationsTCPorUDPIPIEEE802.2DOCSISMACHFCUpStreamTDMA(Mini-Slots)5-65MHz(QPSKorQAM-16)DownStreamTDMA(MPEG)Band6MHz(QAM-64orQAM-256)DOCSISControlMessagesCASEBackboneDataCenter/HeadendVoDServersCiscoCatalyst6000CiscoGSR12000MiddlewareServerCiscoCableTroubleshooterCiscoCacheEngineSatelliteAntennaCiscoINAManagerCisco6920RateMuxCiscoCableManagerCiscoCSRCVideoToBillingToInternetLocalAdInsertionServersCiscoONS15454/GSRHubHomeCiscouBR

7246-VXRCisco

INA2320HFCDOCSIS/EuroDOCSIS+DVB-RC/DAVIC/DVS-167OpenCable?AdvancedVideoCisco6920RateMuxDVB-RC/DAVIC/DVS-167OpenCable?BasicDOCSIS/EuroDOCSISSTBPCCMTVPCCiscouBR

7246-VXRCisco

INA2320HFCVideoCisco6920RateMuxSTBPCCMTVCiscouBR

7246-VXRHFCVideoCisco6920RateMuxSTBPCCMTVPCFiberOpticRingCASE設(shè)計參數(shù)城市的家庭總數(shù)=120,000城市中的CATV用戶(68%)=81,600節(jié)點(diǎn)=城市中的光纖節(jié)點(diǎn)總數(shù)=120

每節(jié)點(diǎn)通過的家庭=1000每節(jié)點(diǎn)(68%)服務(wù)的平均家庭數(shù)=680注，有些信息沒用帶寬特征DS信道帶寬=6MHzDSDR=DSQAM-64數(shù)據(jù)速率=27Mbps

US(上行)信道帶寬=1.6MHzUSDR=USQPSK數(shù)據(jù)速率=2MbpsCASE設(shè)計預(yù)期所有用戶都將在Web上沖浪預(yù)期滲透(10%)=12,000每節(jié)點(diǎn)的預(yù)期用戶=100每節(jié)點(diǎn)用戶數(shù)=每節(jié)點(diǎn)最大有效用戶數(shù)(25%)=25

DSAT=每有效用戶的最大DS有效時間=25%USAT=每有效用戶的最大US有效時間=25%MDSDR=每用戶的最低DS數(shù)據(jù)速率=270Kbps

MUSDR=每用戶的最低US數(shù)據(jù)速率=40KbpsCASECASE設(shè)計計算可能用戶/DS=DSDR/(DSAT*MDSDR)=400可能用戶/US=USDR/(USAT*MUSDR)=200可能用戶/DS(使用1x4LC)=200x4=800限制在該例中為DS數(shù)據(jù)速率有效用戶/DS=400

節(jié)點(diǎn)/DS=(用戶/DS)/(用戶/節(jié)點(diǎn))=400/25=16所需DS通道=節(jié)點(diǎn)/(節(jié)點(diǎn)/DS)=120/16=大約8所需的uBR7246機(jī)箱，帶有8個1x4LC=8/4=2BillingTroubleTicketAdminCableManagementSolution

CSRCNetworkManagementLDAP

CableManagerRFTrouble-ShootingCMTS&ModemFault&PerformanceMonitoringProvisioningServiceMgmtwithCiscoPartnersCableTroubleshooterDOCSISCM904/924uBR7200TelnetSNMPTFTPDNSDHCPPCsOrderEntryMgmtCiscoSubscriberRegistrationCenter(CSRC)AsubscriberandCPEauto-provisioningsystem:Enablessubscriberself-registrationandactivationEnablesmassdeploymentofbroadbandservicesDataVoiceVideoCSRCComponentsCustomerBillingandSupportCustomerCare

WorkForce,andBillingSystemsDatabaseSubscriber

RegistrationandActivationUser

RegistrarDirectoryServiceDialRoamingAccessandTelcoReturnAccessRegistrarCPEandNetwork

ProvisioningNetworkModemRegistrarRegistrarDialinServer5x00BackboneSelfActivationCisco7246uBRHFCCablePlantDOCSISCMTelcoReturnDirectoryLDAPSecurityAccessRegistrarv1.3DirectoryClientUserandModemRegistrarv1.0HTTPDirectoryClientCiscoNetworkRegistrarv3.0TDHCPTFTPDNSDDNS

UpdateResetvia

SNMPIPAddress

andOptionsLDAP

UpdateDirectoryClientRADIUSDOCSIS

ConfigurationCalloutManagerSNMPCSRCintheNetworkBillingSystemTODCiscoSwitchCSRCintheBusinessCiscoSubscriberRegistrationCenterBillingSystem,CustomerCare,NMSDirectory&DatabasesSubscriberRegistration&ActivationAdministratorConfigurerPolicyandSubscriberManagementTechnicianInstallationTheSubscriberExperience1.Registration2.ActivationCSRCDirectory/Database3.MaintenanceNocallstoaCSRProactivenetworksurveillanceofuBRCMTSandcablemodemsCableModemSWimagedownloadTopologytreemapofCMTSandModemsTabularandgraphicalhistoricalutilizationandperformancereportsColor-codedchassisviewsNorthboundSNMPandCORBAinterfaceUsesCEMF3.1andEventMgr2.0BundledproductsCiscoViewforCMTSandModemsDOCSISCPEConfigurator2.0/3.0CableTroubleshooter1.1CiscoCableManager2.0

CableManagerServerManagesDOCSIScablemodems&itsassociatedCMTS(uBR7200Series)uBR/CMsuBR/CMsPCwithXemulatorUnixclientCableManager實(shí)施uBR/CMsuBR/CMsuBR/CMs可管理的設(shè)備CMTSuBR7100uBR7223uBR7246uBR10012CableAccessRouteruBR925、uBR924、CVA124、uBR905CableModemsCiscoPartnermodemsotherDOCSIS-compliantmodemsAgendaCiscoCATVSolutionProductUpdateTheCiscoAdvantageCiscoCMTSProducts

uBR7246VXRuBR7223uBR7100uBR100121HCY001HCY992HCY982HCY001HCY982HCY99uBR7246DOCSIS0.9DOCSIS1.0DOCSIS1.0+DOCSIS1.1MC11MC11/12/14/16CMC16SMC16EPt-to-PtWirelessMC28MPEGDVBPt-to-MultiWirelessPlatformsLinecardsSoftwareDVB1.2uBR10000Series

AnewClassofCMTSCost:VirtuallyunlimitedfuturescalabilityPassivepoint-to-pointmidplaneUniqueroutingtechnology,optimizedforreal-worldservicesPlansinplacetoovercomeALLpotentialbottlenecksRevenue:OptimizedforaggregationIncreasesIntelligenceatedgeofnetworkMaximizesusefulcapacitywhereneededSupportsfutureaccessandbackboneevolution(DOCSIS,E-DOCSIS,DVB,wireless,MPEG,optical,distributedCMTS,etc)uBR10012-ComponentsRFLinecardsBlowerAssemblyUtilityCardsLAN/WANLinecardsPowerModulesPerformanceRoutingEnginesDisplayModuleuBR10012-SystemFeaturesSystemCardsFullcardlevelredundancywithhotswapSpecializedcardtypesforoptimaldensity&performanceSystemInterconnectReliablefullypassivemidplane

Speedindependentpoint-to-pointdatapathDedicatedcontrolplaneinterfaceDedicatedredundancystatecommlinkPowerSystemDualredundant,loadsharingpowermodulesDCandACpoweroptions48voltpowerdistributionwithlocalconversionCoolingSystemFront-to-back,bottom-to-topairflowModular,variablespeedblowerassemblyFailsafedesign,replaceableonline31.5”17.5”23”ForwardingProcessorRouteProcessorPREuBR10012-ArchitectureRFLinecardsLAN/WANControlPlaneUtilityCardStratum3ClocksSystemClocks&ResetsDataPlaneuBR10012-PerformanceRoutingEnginePREDMA&BufferMgmtPXFEnginePacketBuffersForwardingProcessorDC/DCConvertersSDRAMIOSProcessorComplex10Base2RouteProcessorGeneralpurposeIOSprocessorHighlyparallel“flowthru”switching&servicesengineASICbasedpackettransferandqueuemanagementFeatureenhancementsviamicrocodeAutomaticfailovertohotstandbyOnlinesoftwareupgradesFastEthernetuBR10012-PerformanceRoutingEngineGeneralpurposeIOSprocessorHighlyparallel“flowthru”switching&servicesengineASICbasedpackettransferandqueuemanagementFeatureenhancementsviamicrocodeAutomaticfailovertohotstandbyOnlinesoftwareupgradesCiscoParallelExpressForwarding(PXF)uPuPuPuPuPuPuPuPuPuPuPuPuPuPuPuPuPuPuPuPuPuPuPuPuPuPuPuPuPuPuPuPPacketHeadersRAMRAMRAMRAMRAMRAMRAMRAMDEMUXFeedbackPathMUXEachCPUmodulecontainsnetworkprocessingelement,DMAengine&memoryParallelpipelinesamplifyavailableprocessingpowerto32XsingleCPUMemoryaccessphasingbetweenpipelinesenablesconflict-freesharingofI/OportsandcolumnmemoriesEachCPUperformsaseparatesectionoftheheaderprocessingoperationEachCPUexecutesafixedlengthcomputationonitscurrentcontextAllCPUsswitchfromcurrentcontexttonewcontextinlockstepCPUCoreInstruction

MemoryCurrentContextNextContextDMAEngineuBR10012-LineCardProcessoruBR7200LinecardAllowsreuseofalluBR7200linecardsinuBR10012uBR7200equivalentprocessorFullIOSfunctionalityMAClayer&DOCSISQoSapplicationDC/DCConvertersSDRAMFastEthernetIronbusInterface10Base2PCIIOSProcessorComplexuBR10012-BroadbandAccessModuleuBR7200equivalentprocessorHardwareaccelerationofDOCSIS1.1functionsIntegratedMAClevelHW&SWCiscooptimizedadvancedMAC/PHYtechnologyEmbeddedspectrummanagementOptionalintegratedupconvertersFlexible,scalablearchitectureIOSProcessorComplexDC/DCConvertersSDRAMFastEthernetIronbusInterface10Base2StreamingBusCiscoDOCSIS1.1MACPCIRFUpconverterQAMModulatorDownstreamPortA/DDigitalBurstReceiverUpstreamPortSpectralAnalysisLeverageExistingPlatformsuBR10012HighlyscalablefutureproofarchitecturePassivepoint-to-pointmidplaneUniqueparallelprocessingtechnologyPlansinplacetoovercomeALLpotentialbottlenecksOptimizedforaggregationformaximumrevenueIntelligenceatedgeofnetworkMaximizescapacitywhereneededSupportsfutureaccessandbackboneevolutionIndustryleadingcapacity,performance&reliability“Seamless”extensionofuBR7200ProvidesadditionalchoiceindeploymentoptionsAnewclassofcableaggregationproductTheonlyplatform(shippingorannounced)withunlimitedscalabilityandoptimizedforaggregationIntelligenceatedgeofnetwork==>Morenewservicesoverthenetwork==>IncreasedrevenuefromthenetworkIndustryleadershipinreliability,densityandperformanceBroadensdeploymentoptionsThebestofallworlds:best-of-breedproductandbest-in-classnetworksolutionuBR10012uBR7100BenefitsEasytoown,simpletooperateLowcostLowmaintenance–

minimalwithfixedconfigurationLowlearningcurve–runsIOS,basedonotherCiscoproductsHighinteroperability–DOCSISandEuroDOCSIS1.0QualifiedSimplesetup–upconverter,IOS,&CNRallincludedDOCSISandEuroDOCSIS1.0QualifiedCompactsize:2RackUnitsBasedontime-provenCiscouBR7200&7120uBR7100KeyFeaturesTwomodels:uBR7111(1Downstream,1Upstream)uBR7114(1Downstream,4Upstream)Integratedupconverter,withanoptiontouseexternalupconverterCiscoIOSBPIIP+imageincluded—powersQoS,DOCSISfeaturesCiscoNetworkRegistrar(CNR)included—forprovisioningNPE-175processordeliverswire-speedthroughputTwo10/100BaseTEthernet(TXFE)ports,andconsole,AUXportsOptionalWANinterfaces–Ethernet,FE,Serial,HSSI,ATMDOCSISversionavailablenow!EuroDOCSISavailableAugust2001uBR7200EnhancementsDensity–MC28ClinecardPerformance–NPE-400,NPE-1000,NSE-1SpectrumManagement–MC16Ssoftwareenhancements,DCMTACarrierClassAvailability–HCCPSoftwareFeatures–DOCSIS1.1,MPLS-VPNs,CableManager2.0IncreasedVersatility–BNCconnectoroption,newportadaptersMC28CProductDescription

AnextensionoftheuBR7200linecardproducts,theMC28CaddsscalabilitytoexistinguBR7200platforms.MC28LineCarduBR7200withMC28Cisthedensestplatformonthemarkettoday8downstreams,32upstreamsperchassis48downstreams,192upstreamsperrackSignificantincreaseincurrentdensity100%increaseindownstream33%increaseinupstreamMC16SSpectrum

ManagementCardFirstDOCSISlinecardtoofferanintegratedspectrumanalyzerHardware-assistfrequencyhoppingwithsoftwareenhancements:

ChangemodulationmodeReduceupstreamchannelbandwidthShiftupstreamchannelcenterfrequencyHoptonewcenterfrequencyinclearspectrumMC16SBenefitsImprovesresponsetimetoingressnoiseimpairmentsEliminates“blind”andunnecessaryfrequencyhopsSavestimeandeffortbyMSOOperationsStaffwhentroubleshootingcableplantimpairmentsIncreasescableplantreliabilityImprovespercentofmodemson-lineSpectrumManagementEnhancementsAdditionalsoftwareenhancementsinclude:CNR-basedhoppingcriteriaDynamicmodulationselectionPer-SIDCNRmeasurementsInterfaceforReal-TimeSpectrumDisplayDOCSISCableModemTestAnalyzer(DCMTA)UBR-MC28C-BNCQuickandeasyattachment/removalofcoaxialcablesReducestheamountoftimetakentoscardsDecreasesthedurationofaplantoutagePortAdapterUpdateAddingsupportforfollowingPAsonuBR7246VXR,uBR7246,uBR7223FastEthernet:PA-2FE-TX,PA-2FE-FXSerial:PA-MC-2T1,PA-MC-2E1/120ATM:PA-A3-8T1IMA(IOSreleaseTBD)AddingsupportforfollowingPAsonuBR7246VXRSerial:PA-8T-V35,PA-8T-X21,PA-4E1G-120,PA-2E3,PA-MC-E3,PA-MC-T3,PA-MC-4T1,PA-MC-8T1ATM:PA-A3-T3,PA-A3-E3DPT:PA-SRP-OC12SMXNPE-400NPE-400isthehighest-performanceprocessorinthefamilyofnetworkprocessingengines(NPE)forCiscouBR7200seriesproductsIncreasedprocessingpowerby~25%overNPE-300ImprovedpriceperformanceNPE-400deliversimprovedperformanceattheNPE-300priceProcessormodularityandupgrade-abilityHighservicethroughputNetworkServiceEngine

NSE-1EmbeddedPXFProcessorforserviceaccelerationRM7000ProcessorNetworkServiceEnginePCIPCIPCI10/100/1000PXFPXFProcessor7200VXRDOCSIS1.1SoftwareuBR7200hassupportedDOCSIS1.1inhardwareforalmost2yearsManyfeaturesofDOCSIS1.1alreadyinshippingsoftwareFullDOCSIS1.1wassupportedinproductioncode,March2001uBR7200wassubmittedforDOCSIS1.1qualificationincertwave16ManagedAccessuBR7200alreadysupportsmanagedaccessformultipleISPsviaPolicy-BasedRoutingPBRworkswellinsmalltomediumscaleimplementationsManagedaccessviaVPNsusingMPLSwillbesupportedinFebruary2001MPLS-VPNprovidesascalable,robustsolutionthatprotectstheoperator’snetworkInterfaceBundlingFeature–Twoormorecableinterfacescanbebundledtocreateasinglelogicallayerthree(IP)interfaceBenefit–ConservesIPaddressing,eliminatestheneedforabridgedCMTSCableSub-Interfaces

andMPLS-VPNsFeature–CreatesCMtouBR7200sub-interfacebindingforusewithMPLS-VPNVRFsandpolicy-basedroutingBenefit–AllowsMSOstoextendVPNsacrosstheHFCinfrastructuretotheCMuBR905anduBR925

CableAccessRoutersTargetedatSoHo,telecommutersandsmallbranchofficesIntegratedCiscoIOSrouter,cablemodem,4-porthubHardware-acceleratedIPSEC(>2Mbps@3DES)BatterybackupoptiononuBR925Twoversions:uBR905–Data-only,CableLabs-certifieduBR925–Adds2voiceportsandUSB,CableLabssubmissioninCW19CiscoCVA122

CableVoiceAdaptersConsumerform-factorVoIPcablemodemsTargetedforadvancedresidentialandhomeofficevoiceanddataTwoModelsCVA122:DOCSISversionCVA122E:EuroDOCSISversionFlexibleVoiceFeaturesVoIPontwoFXSinterfacesAllcodecssupportedonbothportsWidevoicesignalingsupportincluding:H.323,SGCP,MGCPandNCSRedundancyoptionsRedundantP/S&WAN(NoUpconv)RedundantP/S,WAN&UpconvLoad-sharing1:1andN:1(NoHCCP)Hot-standby1+1(HCCP)Hot-standbyN+1(HCCP)(withandwithoutRFswitch)1+1RedundantConfigurationFailsafecoverage:per–Interface,inter–CMTSrouters1+1RedundancyConfiguration:CMTS(CiscouBR72xx)–2ModemCards(MC1x,samePAtypesinthepairing)–2xAggregationrouter–1IFupconverterwithSNMP(WavecomDUAL4040D)–1Combiner–1Splitter–1StandbyActiveAutomaticdetectionof:SoftwarecrashCablewiringfailureInterfaceshutdownLinecardOnlineInsertionandRemoval(OIR)Noactivesessionsdropped1+1RedundantConfigurationIFUpconverterw/SNMPSplitterAggregaterouterStandbyCMTSRouterActiveCMTSRouterHFCIPcloudCombinerCisco7200CMTS1+1

RedundancyCisco7200CMT