木制品整理

IPv6IntheNGNmarketformultimediaservicesAsherShiratzkyCTOTBUFebruary2007IPv6benefitsanddriversGenericBenefitsofIPv6Keybenefit–increasingaddressspaceIPv4:32-bit,~4.3billionaddressesIPv6:128-bit,~340undecillionaddresses(3.4x1038)OtheradvantagesAuto-configurationvianeighbordiscoveryMobilityBetterroutingefficiencyandflexibilitySixfieldsremovedExtensionheaderaddedIPSecismandatoryPerformanceimprovementforbroadbandutilizationJumbograms4GB(goingto32)inv6vs.64KBinv4useflowlabeltolargelyincreasethenetworkutilizationQoSincludedinIPv6headersEndtoEnd(security,QOS)KeyDriversforIPv6LargeaddressspaceisthemostcompellingreasonforIPv6IPv4addresseslimitationstartstorestrictInternetgrowthanduse,especiallyinChina,India,andotherheavilypopulatedAsiancountriesIPv4addressexhaustionhasbeenpredictedinlessthan8yearsGovernmentmandates:Japan,US,China…ExplosionofwirelessIPdevices2billionmobilephonesby2006,notenoughwithwhatislefttodaywithIPv4TheurgencyofprovidingIPv6servicesinUSUSOfficeofManagementandBudget(OMB)governmentMandatein8/2005“Federalagenciesmustusethenext-generationInternetserviceknownasInternetprotocolversion6(IPv6)byJune2008…”Followingthemandate,governmentagencieswouldneedtoupgradetheirIPv4VPNstoIPv6VPNsbymid2008NGNandIMSUTRANGERANWLANCDMA2000WCDMAAccessnetworkTerminalsIMSInternetCSdomainPSdomainWhatisIMS?IPMultimediaSubsystemAtechnologythatenablesexcitingmultimediaservicesPartofthecorenetwork,withinterfacestosubsystemsinthe3GnetworkAgroupofspecificationsbeingstandardizedbythe3GPPWhatelseisIMS?AnarchitectureforserviceandcallcontrolOnenetworkcaneasilyserveroamingsubscribersDesignedtobeflexible,robust,andsecureCaneasilyintroducenewInternetnatureservicesandcapabilitiesIMSinanutshellWhereisIMSpositioned?WirelessWiredWirelessNetworksIMSCellularVoice/Video/DataWiredDataNetworksWiredVoice&videoNetworksConvergedIPNetworkWirelessIPNetworkAnytime,AnywhereApplicationsAllnetworksspeakingthecommonlanguageofIPLegacynetworksIMSarchitecture–layeredapproachIMS-MGWIPv6PDN(IPv6Network)PDFI-CSCFS-CSCFBGCFApplication(SIP,OSAParlay,CAMEL)BB)IPv4/IPv6(CSNetworks(PSTN,CSPLMN)CSCFP-CSCFOSASCSIMSSFSIPASASSLFALGIMSGWIPv4PDN(IPv4Network)HSS‘IMSData’Service/ApplicationsLayerIMSLayerTransportLayerHLR/AuC)‘CS/PS’(MGCFSGWNASSSPDF/A-RACFTrGWMRFALGTrGWMRFCMRFPIMSSessionSignalingIMSUserPlaneDataDSLAMUEBASUEUEBGWLANWAGWLANPDGRANSGSN3GPPR53GPPR63GPPR7/TISPANR1…GGSNPEFOrganizationinvolvedinIMSWhowillconsumeIPaddressesCell/IP/Softphones/PDAhomernetworksAutomobileTVSTBSurveillance/VideocamerasSensorNetworkingtechnology(RFID,etc.)GamingconsoleServices(Gaming,Gambling,PTx,…)IPv4addressspaceislimited!!!ExampleofP2PIPconnectivityCSCFIPv6SIPInviteplayerPeteracceptedthechallenge!ThomasPeterThomaschallengesyoutoagameofcheckers!AcceptDeclineAcceptIPConnectionGamedataQuitChatPushtoStreamPeter:00:00:00Thomas:00:00:00CSCFSIPInviteplayerPeter:00:00:00Thomas:00:00:00ChatPeter:Iamgoingtowinthistime!Thomas:Yeahright,inyourdreams!ThomasPeterIPConnectionGamedataChatPushtoStreamQuitChatPeter:00:00:00Thomas:00:00:00Peter:Iamgoingtowinthistime!Thomas:Yeahright,inyourdreams!IPv6ExampleofP2PIPconnectivityCSCFSIPInviteplayerPeter:00:00:00Thomas:00:00:00ChatPeter:hey,lookwhatjustpassedby!ThomasPeterIPConnectionGamedataStreamingvideoPushtoStreamQuitPeterchoosestoaddastreamingcomponenttosharewhatheisseeingStreamingvideofromPeter:IPv6ExampleofP2PIPconnectivityFuturemobileservices=”serverlessmedia”CSCFSIPThomasPeterIPConnectionGamedataChatPeter:00:00:00Thomas:00:00:00NoNATsinbetween,publicIPaddressesareneededExampleservices:gaming,chat,streaming,Voice/videooverIP,etc.TheSIP/IMSuserplaneispeer-to-peerinnature-SIP/IMSsessionsbetweenmobilesindifferentPrivateIPv4addressspacesbecomehighlycomplicated.ThisiswhypublicIPaddressesarerequired.TheonlyfutureproofsolutionisprovidedbyIPv6.IPv6NGNMultimediaservices–drivingforIPv6IPTV–Poorquality,highcostNoendtoendqualitycontrolMustsendonestreamforeverycustomer--$$$V2oIP-DifficulttocontrolqualityTriple/QuadplayP2P/M2Mglobalpeer-to-peerservicesFMCNATtraversalinNGN–Ipv6driversHowaboutNAT(networkaddresstranslation)?ManagementeffortTopologiesandenvironmentSIPCallsetuptimeEnd-to-endsecurityEnd-to-endQoSNGNKeyDriversforIPv6LargeaddressspaceisthemostcompellingreasonforIPv6CellularandwirelessmarketismovingtoIPMobility(MIPv6)BetterbatterylifeBetterspectrumutilizationFastHandoverSeamlessmobilityQOECallsetuptimeNATeliminationSummaryandconclusionsIPv6isbehindthecorner(technology,regulation)AlltheNEP/TEMvendorsarealreadybuilding&sellingIPv6enabledelementsNewNGNdevelopmentisdonemainlyforIPv6,butwithsupportforIPv4ThemigrationtoAll-IP[e-mail]2007