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互聯網在日本的發展趨勢(ppt 93) -文庫吧

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【正文】 0。 (*)$=\11018AllRightsReserved,Copyright(C)FUJITSULIMITED2023? ShifttoBroadbandAccess? BroadbandaccessworkssuchasCATV,ADSL,andFTTH? DiversifiedAccessNetworks? Wired:PSTN,ISDN,CATV,ADSL,FTTH? Wireless:Cellularmobile,satellite,3 rdgenerationmobile(IMT2023),wirelessLAN(IEEE)MarketTrends(2)19AllRightsReserved,Copyright(C)FUJITSULIMITED2023TransitionofInterAccessFromHomeSource:MinistryofInternalAffairsandCommunications20AllRightsReserved,Copyright(C)FUJITSULIMITED2023BroadbandHouseholdsinJapanSource:MinistryofInternalAffairsandCommunicationsmil.(Dec.39。06)mil.(Dec.39。06).(Dec.39。06)(million)21AllRightsReserved,Copyright(C)FUJITSULIMITED2023VarietyofInterAccessNetworksTransmissionspeed(bps)10K 100K 1M 10M 100MLeasedlineTel/ISDNADSLCATVPDCPHS64128KcdmaOne64KIMT2023WLLSatelliteWLL:WirelessLocalLoopIMT2023:InternationalMobileTelemunications2023PDC:PersonalDigitalCellularADSL:AsymmetricDigitalSubscriberLineWirelessWiredFTTHFTTH:FiberToTheHome22AllRightsReserved,Copyright(C)FUJITSULIMITED2023MobileInterServicesinJapannMobileTelephoneUsers(May,2023) DoCoMo au SoftBankMobile nMobileInterusers(May,2023) DoCoMo(imode) au(EZweb) SoftBankMobile Source:TCA(TelemunicationsCarriersAssociation)23AllRightsReserved,Copyright(C)FUJITSULIMITED2023InterAccessviaCATVNetworkRouterHeadEndCableMODEMInterCableNetworkCATVCenterHome~ 30MbpsnTransmissionspeed: Upstream:max.10Mbps,Downstream:max.30MbpsnMonthlycharge: \4,000~ \5,00024AllRightsReserved,Copyright(C)FUJITSULIMITED2023InterAccessviaSatelliteProxyServerISP(TerrestrialNetwork)InformationServerTheInterPSTN/ISDNUplinkCenterDownstream:30Mbps(shared)IndividualUserCorporateUserRequestforInformationUpstreamisviaISPNetwork25AllRightsReserved,Copyright(C)FUJITSULIMITED2023ADSLNTTCentralOfficeHome/OfficeMetalliclines(1pair)RouterCOSwitchUp:~ 1MbpsDown:~ 40MbpsDSLAMADSLMODEM SplitterDSLAM:DigitalSubscriberLineAccessMultiplexernInterconnectionviaanexistingtelephonelinenTransmissionspeed:Upstream:,Downstream:nMonthlycharge:\3,000(ISPchargeincluded)(ADSL:AsymmetricDigitalSubscriberLine)26AllRightsReserved,Copyright(C)FUJITSULIMITED2023FTTHNTTCentralOfficeHome/OfficeFiberOpticCableRouterUp:~ 100Mbps(max.)Down:~ 100Mbps(max.)LANSWMediaConverter…COSwitchMetalliclines(1pair)nInteraccessviafiberopticcablenUserInterfaceiseither10Mbpsor100Mbps.n100Mbps(homeuse):\6,170*/mo. *)ISPchargeisnotincluded.(FTTH:FiberToTheHome)27AllRightsReserved,Copyright(C)FUJITSULIMITED2023IMT2023(3rdGenerationMobile)nIMT2023(InternationalMobileTelemunication2023)3rdgenerationmobilemunicationssystemsusinginternationalstandardTransmissionspeed:Inmovingcars/trains:~ 144kbps,Walking: ~ 384kbps,Still:~ 2MbpsNTTDoCoMo:LaunchedmercialservicesOctober,2023.Currentlyaboutmillionsubscribers.au(KDDIGroup):StartedmercialservicesApril2023.Currentlyaboutmillionsubscribers.Vodafone:StartedmercialservicesDecember2023.Currentlyaboutmillionsubscribers.28AllRightsReserved,Copyright(C)FUJITSULIMITED2023WirelessLANAccessPointHome/OfficePublicPlace(.railwaystation,airport)ISPBroadbandConnection(ADSL,FTTH)11/54Mbps(max.)Radiofrequencyband:(IEEE),5GHz()TransmissionSpeed:~ 11Mbps(b),~ 54Mbps(a/g)29AllRightsReserved,Copyright(C)FUJITSULIMITED2023MarketTrends(3)? DiversifiedInterAccessDevices? PDA,Gamemachine,Mobiletelephone,(Wordprocessor,InterTV)? MultimediaorientedApplications? Java:animations,realtimedatatransfer? WindowsMediaPlayer/RealPlayer :Video/audioondemand? InterPhone:IPTelephony(VoIP)VoIP:VoiceoverIP30AllRightsReserved,Copyright(C)FUJITSULIMITED2023VarietyofInterAccessDevicesMobilePhoneonlymillionPConlymillionMobilePhonePCmillionGameMachinemillionPCUsersmillionMobilePhoneUsersmillion Source:MinistryofInternalAffairsandCommunications31AllRightsReserved,Copyright(C)FUJITSULIMITED2023SubscribersoftheInterSource:MinistryofInternalAffairsandCommunicationsNo.ofSubscribers(inmillions)32AllRightsReserved,Copyright(C)FUJITSULIMITED2023MobilePhone/InterUsersSource:TCA(TelemunicationsCarriersAssociation)33AllRightsReserved,Copyright(C)FUJITSULIMITED2023SpreadofIPTelephonyNo.ofSubscribers(inmillions)Source:MinistryofInternalAffairsandCommunications 34AllRightsReserved,Copyright(C)FUJITSULIMITED2023MarketTrends(4)EDI:ElectronicDataInterchange35AllRightsReserved,Copyright(C)FUJITSULIMITED2023UseoftheInterfromPCs(%)MultipleanswersSource:MinistryofInternalAffairsandCommunications36AllRightsReserved,Copyright(C)FUJITSULIMITED2023UseoftheInterfromMobilePhone(%)MultipleanswersSource:MinistryofInternalAffairsandCommunications37AllRightsReserved,Copyright(C)FUJITSULIMITED2023WebTheInteris“SOCIALMEDIA”Source:DionHinchcliffe’sBlog38AllRightsReserved,Copyright(C)FUJITSULIMITED2023Blog(Weblog)Aweblog,whichis
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