中国电信下一代互联网演进计划 - APNIC

IPV6inChinaTelecom:PoliciesandTryCancanHuang,ChinaTelecom2009-8-24OutlineCT’stryIPV6deploymentpolicesWhowillbeinvolved?OSS/BSS(NMSBillingCRM)BackboneMANcoreDNSAudio、Vedio、message、meeting、communicationplatformMulti-serviceedgepoint（BRAS/SR/PDSN）ContentPlatformMobileTVIPTVMusicPlatformICTCallCenterCentrex/VPNDataCenterAppHosting……ControllayerIMS/SIPMobileaccessWifi1X、EVDOFixedaccessxDSLFTTxLANCGBTSWiFiAPServiceNetworkBOSSControlLayerIPbackboneDNSsystemMAN（mobile）TerminalCustomerGatewayIntroducingIPV6involvesthefundamentalnetwork,servicenetwork,terminal,supportsystem,CP,SP,governmentandmedia//BOSS:Billing/Operationsupportsystem//ICT:InformationandCommunicationTechnologies//MAN:MetropolitanareanetworkCT’sgoalinthenexttwoyearsIPV6accessreadyinsomeMANsAllthepurchasedterminalsareequippedwithIPV61~2self-runningservicesfulfillend-to-endIPV6serviceTOP10ICPsareIPV6readyIPbackboneIPV6readyCT’sTarget1~2sampleMANsareabletoprovideend-to-endIPV6servicesWhataretheprinciples?ConductingtestsatselectedpointscomefirstPopularizingall-aroundcomeafterProtectingInvestmentKeepinguserexperienceReducingimpactonnetworkMinimizingpriceFundamentalNetworkscomefirstServiceNetworkssoonafterCP/SPscomelaterExistingservicesneedtobeseamlesslymovedNewservicesneedtobeIPV6enableddirectly1234PrincipleTargetNetwork-wideIPV6Thedetailsofdeploymentpolicy--networkMANSupportSystemBackboneBackbonesusedual-stackfortransiting,bothcoreandaggregationnetwork;MANusedualstackfortransition.Mostofthesubscriberswillusedualstackconnectionandasmallnumberofsubscriberswillusetunnelincasetheydon’thaveIPV6ability.Forsmallnumberofapplications,protocoltranslationmechanismswillbeputintouse.OldDNSsoftwaresystem’sneedtoupgradetosupportIPV6record.ThenewbuiltDNSarerequiredtosupportIPV6access.Thenewbuiltdual-stackNetworkmanagementsystemshouldsupportIPV6MIBdatabase.AAAsystemdoesn’tneedbechanged,onlyneedsupportingIPV6subscribercertificationbysoftwareupgrading.Thedetailsofdeploymentpolicy--serviceMobilecoreNetworkandSoft-switchingNetworkSelf-runningserviceNewservicesshouldbeIPV6enabledasearlyaspossible,whileexistingserviceshouldbesupportIPV6graduallybyupgrading.ForthoseplatformswhicharedirectlyexchanginginformationwiththeclientterminalsshouldbeIPV6readyasquicklyaspossible.Ontheotherhand,back-endmanagementsystemsarenotsourgent.CTshouldpushthegovernmenttoworkoutmandatorypoliciestogiveincentivestotheCP/SPtointroduceIPV6.MobilecoreNetworkandSoft-switchingNetworkshouldbetransitedtoIPV6graduallyaccordingtotherequirementofservices.ThenewbuiltIMSsystemshouldbeequippedwithIPV6directly.Third-partyCP/SPMSSBSSOSSExistingsystemshouldbeequippedwithIPV6graduallyNewsystemsupportsIPV6directlyThesubsystemofMSSusesdual-stacktoenabletheIPV6functionstepbystepOSSshouldbeIPV6enabledsimultaneouslyaccordingtothefundamentalnetwork.BSSkeepspacewithservicestoprovideIPV6abilityITsystemThedetailsofdeploymentpolicy-–ITsupportsystem//MSS:Managementsupportsystem//OSS:Operationsupportsystem//BSS:BillingsupportsystemThedetaileddeploymentpolicy–terminalSTBHomegatewaySoftTerminalCellPhoneDataCardusingbridgemodetotransparentlytransmitIPV6datagram.ContinuallyusingIPV4Theonedoesn’tsupportIPV6continueusingIPV4SupportIPV6byupgradingTheexistingterminalThenewterminalEnableIPV6functiondirectlyOutlineCT’stryThepoliciesofIPV6introducingCT’strial--CNGINetworktestingplatformincludescorenetwork、managementcenter，exchangecenterand7residentialnetwork;ApplicationsonServicegateway，serviceplatformandP2Phavebeenresearchedonthetestingplatform;CTmadesomestudiesonIPV6introductionsolutionscollaboratingwithsuppliers(eg.cisco,huawei)CTstartedCNGIsince2003Varioustypesofaccessmethods,includingADSL,EPONandWLAN;UpgradingtheaccessnetworkandITsystem.Network-wideIPV6,covering67competitionfacilities，serving75000clients.CarryingMulti-mediaapplicationbasedonIPV6.CT’strial-CommercialTrialWorldUniversityGames,Shenzhen，2011Two-orientedsocietycommercialtrialCT’strial—ProductDevelopmentIPV4ICPIPV6ICPContentProviderIPV6InternetIPV4InternetNetworkProviderEnd-usersWaitforeachother!!IndustryChaindeadlockCT’strial—productdevelopment(1)MultipleInternetaccessmethodMultipleoperationsystemVPNdial-upenabledIPV6/IPV4dial-upenabledForthosewhoiswillingtoinstallthesoftware,thedial-upwebclientcanautomaticallyprobesuser’soperationsystem，networkenvironment,evenwhatwebsitetheywanttobrowseandhelpusersaccessingtheinternetintelligently.“IntelligentCommunicationAssistance”CT’strial—ProductDevelopmentIPV4ICPIPV6ICPContentProviderIPV6InternetIPV4InternetNetworkProviderEnd-usersWaitforeachother!!IndustryChaindeadlockWithoutDial-upClientPORTAL？ContentTranslationGatewayForthosewhowillnotinstalldial-upclient,weprovideadual-stack“ContentTranslationGateway”tohelpuserstoaccessthewebsitewithdifferentIPaddressversionthroughaguideportal.CT’strial—ProductDevelopmentIPV4ICPIPV6ICPContentProviderIPV6InternetIPV4InternetNetworkProviderEnd-usersWaitforeachother!!IndustryChainCircleWithoutDial-upClient？ICPIPV6upgradinghelperTheIPV6introductionofICPfacesmanydifficulties,the“ICPIP