互联网在日本的发展趋势(ppt 93) .pptx

《互联网在日本的发展趋势(ppt 93) .pptx》由会员分享，可在线阅读，更多相关《互联网在日本的发展趋势(ppt 93) .pptx（94页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、AllRightsReserved,Copyright(C)FUJITSULIMITED2007TrendsofInternetUseinJapanTrendsofInternetUseinJapan26June,2007ShigeyukiSuzukiFUJITSULIMITEDForEducationalUseOnly0AllRightsReserved,Copyright(C)FUJITSULIMITED2007NetworkofNetworksAccessNetworkSprintC&WUUNETBTAOLT-OnlineBIGLOBEIIJWIDEniftySINETSo-netOCN

2、TheInternet1AllRightsReserved,Copyright(C)FUJITSULIMITED2007FeaturesoftheInternetGlobalNetworkOpenTechnologiesMultimedia-orientedCommonResourcesforEveryone2AllRightsReserved,Copyright(C)FUJITSULIMITED2007BasicInternetApplications3AllRightsReserved,Copyright(C)FUJITSULIMITED2007InternetServiceProvide

3、rInformationServicesOtherISPsDatabaseServicesLANInternetServiceProviderLANLANRoutersIXInternetExchange4AllRightsReserved,Copyright(C)FUJITSULIMITED2007Low-speed,Character-basedCentralizedControlMaster-slaveCommunicationsInternetvs.LegacyOnlineInfo.ServicesABCPCPCPCBBSFilesMailboxforAOnlineInfo.Servi

4、cesCenterAccessNetwork5AllRightsReserved,Copyright(C)FUJITSULIMITED2007Internetvs.LegacyOnlineInfo.ServicesInternetNewsFileA ABCWSMailboxNewsFileNewsFileWSWSHigh-speed,Multimedia-orientedDistributedControlPeer-to-PeerCommunications6AllRightsReserved,Copyright(C)FUJITSULIMITED2007IPAddressAuniquenumb

5、ertoidentifyacomputerconnectedtotheInternetAnIPaddressconsistsof32bitsundertheIPv4architectureAnIPaddressisdividedintofour8-bitsectionsandiswritteninfourdecimalnumbersseparatedbyperiods.e.g.204.248.24.16Theaddressspacewillbeexpandedto128bitsinthefutureIPv67AllRightsReserved,Copyright(C)FUJITSULIMITE

6、D2007DomainName8AllRightsReserved,Copyright(C)FUJITSULIMITED2007InternetHostCounts(Millions)Source:NetworkWizard433,193,199(Jan.2007)9AllRightsReserved,Copyright(C)FUJITSULIMITED2007WorldwideInternetUsersSource:InternetWhitePaper2006(c)AccessMediaInternational,200610AllRightsReserved,Copyright(C)FUJ

7、ITSULIMITED2007InternetUsersbyRegionWorldTotal:1,000.6million(December,2005)Source:InternetWhitePaper2006(c)AccessMediaInternational,200611AllRightsReserved,Copyright(C)FUJITSULIMITED2007InternetUsersbyCountry1.U.S.203.1million2.China110.13.Japan72.94.India51.55.Germany48.66.U.K.37.57.Korea33.28.Ita

8、ly28.39.France26.710.Russia24.5Source:InternetWhitePaper2006(c)AccessMediaInternational,200612AllRightsReserved,Copyright(C)FUJITSULIMITED2007InternetUserPopulation&PenetrationRateinJapan(million)(%)(asofDecember)Source:MinistryofInternalAffairsandCommunications13AllRightsReserved,Copyright(C)FUJITS

9、ULIMITED2007InternetUserPopulationinAsiaPacific1 China110,100,0002 Japan72,879,0003 India51,500,0004 Korea33,200,0005 Indonesia18,500,0006 Australia13,980,0007 Taiwan13,900,0008 Malaysia9,978,0009 Thai8,396,00010 Philippine7,760,00011 Pakistan7,390,00012 Vietnam5,910,00013 HongKong4,840,00014 NewZea

10、land3,170,00015 Singapore2,880,00016 SriLanka360,00017 Bangladesh345,00018 Macao240,00019 Mongolia227,00020 PapuaNewGuinea225,000Source:InternetWhitePaper2006(c)AccessMediaInternational,2006AsiaPacificTotal:366.7million(December,2005)14AllRightsReserved,Copyright(C)FUJITSULIMITED2007SpreadofInternet

11、byCountrySource:InternetWhitePaper2006(c)AccessMediaInternational,200615AllRightsReserved,Copyright(C)FUJITSULIMITED2007MarketTrends(1)16AllRightsReserved,Copyright(C)FUJITSULIMITED2007SpreadofITAppliancesintoHomeSource:MinistryofInternalAffairsandCommunications17AllRightsReserved,Copyright(C)FUJITS

12、ULIMITED2007ComparisonofInternetAccessChargesJapan(nifty)USA(AOL)Dial-up2,000/mo.(=$18*)$25.90/mo.(UnlimitedAccess)USA(AT&T)ADSL3,000/mo.(=$27*)$14.95/mo.(Upstream:1Mbps(Upstream:128KbpsDownstream:8-40Mbps)Downstream:768Mbps)$24.99/mo.(Upstream:512KbpsDownstream:3Mbps)FTTH6,170/mo.(=$56*)(100Mbps)(*

13、)$=11018AllRightsReserved,Copyright(C)FUJITSULIMITED2007ShifttoBroadbandAccessBroadbandaccessnetworkssuchasCATV,ADSL,andFTTHDiversifiedAccessNetworksWired:PSTN,ISDN,CATV,ADSL,FTTHWireless:Cellularmobile,satellite,3rdgenerationmobile(IMT2000),wirelessLAN(IEEE802.11.b/g/a)MarketTrends(2)19AllRightsRes

14、erved,Copyright(C)FUJITSULIMITED2007TransitionofInternetAccessFromHomeSource:MinistryofInternalAffairsandCommunications20AllRightsReserved,Copyright(C)FUJITSULIMITED2007BroadbandHouseholdsinJapanSource:MinistryofInternalAffairsandCommunications14.2mil.(Dec.06)3.6mil.(Dec.06)7.9mil.(Dec.06)(million)2

15、1AllRightsReserved,Copyright(C)FUJITSULIMITED2007VarietyofInternetAccessNetworksTransmissionspeed(bps)10K100K1M10M100MLeasedlineTel/ISDNADSLCATVPDCPHS64-128KcdmaOne64KIMT-2000WLLSatelliteWLL:WirelessLocalLoopIMT-2000:InternationalMobileTelecommunications2000PDC:PersonalDigitalCellularADSL:Asymmetric

16、DigitalSubscriberLineWirelessWiredFTTHFTTH:FiberToTheHome22AllRightsReserved,Copyright(C)FUJITSULIMITED2007MobileInternetServicesinJapannMobileTelephoneUsers(May,2007)97.6MDoCoMo52.8Mau28.6MSoftBankMobile16.2MnMobileInternetusers(May,2007)85.2MDoCoMo(i-mode)47.7Mau(EZweb)23.9MSoftBankMobile13.6MSour

17、ce:TCA(TelecommunicationsCarriersAssociation)23AllRightsReserved,Copyright(C)FUJITSULIMITED2007InternetAccessviaCATVNetworkRouterHeadEndCableMODEMInternetCableNetworkCATVCenterHome30MbpsnTransmissionspeed：Upstream:max.10Mbps,Downstream:max.30MbpsnMonthlycharge：4,0005,00024AllRightsReserved,Copyright

18、(C)FUJITSULIMITED2007InternetAccessviaSatelliteProxyServerISP(TerrestrialNetwork)InformationServerTheInternetPSTN/ISDNUplinkCenterDown-stream：30Mbps(shared)IndividualUserCorporateUserRequestforInformationUp-streamisviaISPNetwork25AllRightsReserved,Copyright(C)FUJITSULIMITED2007ADSLNTTCentralOfficeHo

19、me/OfficeMetalliclines(1pair)RouterCOSwitchUp：1MbpsDown:40MbpsDSLAMADSLMODEMSplitterDSLAM:DigitalSubscriberLineAccessMultiplexernInternetconnectionviaanexistingtelephonelinenTransmissionspeed:Upstream:max.1Mbps,Downstream:max.40MbpsnMonthlycharge:3,000(ISPchargeincluded)(ADSL:AsymmetricDigitalSubscr

20、iberLine)26AllRightsReserved,Copyright(C)FUJITSULIMITED2007FTTHNTTCentralOfficeHome/OfficeFiberOpticCableRouterUp：100Mbps(max.)Down:100Mbps(max.)LANSWMediaConverterCOSwitchMetalliclines(1pair)nInternetaccessviafiberopticcablenUserInterfaceiseither10Mbpsor100Mbps.n100Mbps(homeuse):6,170*/mo.*)ISPchar

21、geisnotincluded.(FTTH:FiberToTheHome)27AllRightsReserved,Copyright(C)FUJITSULIMITED2007IMT-2000(3rdGenerationMobile)nIMT-2000(InternationalMobileTelecommunication2000)-3rdgenerationmobilecommunicationssystemsusinginternationalstandard-Transmissionspeed:Inmovingcars/trains:144kbps,Walking:384kbps,Sti

22、ll:2Mbps-NTTDoCoMo:LaunchedcommercialservicesOctober,2001.Currentlyabout37.1millionsubscribers.-au(KDDIGroup):StartedcommercialservicesApril2002.Currentlyabout27.9millionsubscribers.-Vodafone:StartedcommercialservicesDecember2002.Currentlyabout8.7millionsubscribers.28AllRightsReserved,Copyright(C)FU

23、JITSULIMITED2007WirelessLANAccessPointHome/OfficePublicPlace(e.g.railwaystation,airport)ISPBroadbandConnection(ADSL,FTTH)11/54Mbps(max.)Radiofrequencyband:2.4GHz(IEEE802.11.b/g),5GHz(802.11.a)TransmissionSpeed:11Mbps(b),54Mbps(a/g)29AllRightsReserved,Copyright(C)FUJITSULIMITED2007MarketTrends(3)Dive

24、rsifiedInternetAccessDevicesPDA,Gamemachine,Mobiletelephone,(Wordprocessor,InternetTV)Multimedia-orientedApplicationsJava:animations,realtimedatatransferWindowsMediaPlayer/RealPlayer:Video/audioondemandInternetPhone:IPTelephony(VoIP)VoIP:VoiceoverIP30AllRightsReserved,Copyright(C)FUJITSULIMITED2007V

25、arietyofInternetAccessDevicesMobilePhoneonly19.2millionPConly15.8millionMobilePhone&PC48.6millionGameMachine1.6millionPCUsers66.0millionMobilePhoneUsers69.2millionSource:MinistryofInternalAffairsandCommunications31AllRightsReserved,Copyright(C)FUJITSULIMITED2007SubscribersoftheInternetSource:Ministr

26、yofInternalAffairsandCommunicationsNo.ofSubscribers(inmillions)32AllRightsReserved,Copyright(C)FUJITSULIMITED2007MobilePhone/InternetUsersSource:TCA(TelecommunicationsCarriersAssociation)33AllRightsReserved,Copyright(C)FUJITSULIMITED2007SpreadofIPTelephonyNo.ofSubscribers(inmillions)Source:Ministryo

27、fInternalAffairsandCommunications34AllRightsReserved,Copyright(C)FUJITSULIMITED2007MarketTrends(4)EDI:ElectronicDataInterchange35AllRightsReserved,Copyright(C)FUJITSULIMITED2007UseoftheInternetfromPCs(%)MultipleanswersSource:MinistryofInternalAffairsandCommunications36AllRightsReserved,Copyright(C)F

28、UJITSULIMITED2007UseoftheInternetfromMobilePhone(%)MultipleanswersSource:MinistryofInternalAffairsandCommunications37AllRightsReserved,Copyright(C)FUJITSULIMITED2007Web2.0TheInternetis“SOCIALMEDIA”Source:DionHinchcliffesWeb2.0Blog38AllRightsReserved,Copyright(C)FUJITSULIMITED2007Blog(Weblog)Aweblog,

29、whichisusuallyshortenedtoblog,isawebsitewhereregularentriesaremade(suchasinajournalordiary)andpresentedinreversechronologicalorder.Blogsoftenoffercommentaryornewsonaparticularsubject,suchasfood,politics,orlocalnews;somefunctionasmorepersonalonlinediaries.Atypicalblogcombinestext,images,andlinkstooth

30、erblogs,webpages,andothermediarelatedtoitstopic.Mostblogsareprimarilytextualalthoughmanyfocusonphotographs,videosoraudio.Source:Wikipedia39AllRightsReserved,Copyright(C)FUJITSULIMITED2007BlogPostsbyLanguageSource:“TheStateoftheLiveWeb,April2007”TechnoratiJapanese37%English36%Chinese8%Italian3%Spanis

31、h3%40AllRightsReserved,Copyright(C)FUJITSULIMITED2007SNS(SocialNetworkingService)SocialnetworkingisacategoryofInternetapplicationstohelpconnectfriends,businesspartners,orotherindividualstogetherusingavarietyoftools.Theseapplications,knownasonlinesocialnetworksarebecomingincreasinglypopular.Mostsocia

32、lnetworkservicesareprimarilywebbasedandprovideacollectionofvariouswaysforuserstointeract,suchaschat,messaging,email,video,voicechat,filesharing,blogging,discussiongroups,andsoon.Source:Wikipedia41AllRightsReserved,Copyright(C)FUJITSULIMITED2007SecondLifeSecondLifeisanInternet-basedvirtualworlddevelo

33、pedbyLindenResearch,Inc.Adownloadableclientprogramenablesitsusers,calledResidents,tointeractwitheachotherthroughmotionalavatars,providinganadvancedlevelofasocialnetworkservicecombinedwith3Dvirtualspaces.Residentscanexplore,meetotherResidents,socialize,participateinindividualandgroupactivities,create

34、andtradeitems(virtualproperty)andservicesfromoneanother.Source:Wikipedia42AllRightsReserved,Copyright(C)FUJITSULIMITED2007ElectronicCommerce(B2B)(trillionyen)Source:2006WhitePaperInformation&CommunicationsinJapan43AllRightsReserved,Copyright(C)FUJITSULIMITED2007ElectronicCommerce(B2C)(billionyen)Sou

35、rce:2006WhitePaperInformation&CommunicationsinJapan44AllRightsReserved,Copyright(C)FUJITSULIMITED2007TheLongTailTraditionalMarket80%ofSalescomes20%ofproductsTOP20%ofproductsOtherproducts(80%)TheLongTailAddresswidevarietydemandA,Inc.earns1/3ofitssalesfrom“TheLongTail”area.Sales45AllRightsReserved,Cop

36、yright(C)FUJITSULIMITED2007GoodsPurchasedviaNetShopping(%)Source:2006WhitePaperInformation&CommunicationsinJapan46AllRightsReserved,Copyright(C)FUJITSULIMITED2007GoodsBought/SoldviaNetAuction(%)AnswersfromexperiencedusersMultipleanswersSource:2006WhitePaperInformation&CommunicationsinJapan47AllRight

37、sReserved,Copyright(C)FUJITSULIMITED2007ImpedimentstoNetShopping(%)AnswersfrominexperiencedusersMultipleanswersSource:InternetWhitePaper2006(c)AccessMedia/impressR&D,200648AllRightsReserved,Copyright(C)FUJITSULIMITED2007IssuesaboutNetworkSecurityUnauthorizedaccessusingastolenpasswordStealingandcrash

38、ingdatafilesbyinvalidaccesstoISPsserversWiretappingofdatatransmittedontheInternetSoftware/datafilesinfectedwithcomputervirusAttacktoISPsserversbyE-mail/packetfloodPhishingPharming49AllRightsReserved,Copyright(C)FUJITSULIMITED2007Phishing(Fishing)Incomputing,phishingisacriminalactivityusingsocialengi

39、neeringtechniques.Phishersattempttofraudulentlyacquiresensitiveinformation,suchasusernames,passwordsandcreditcarddetails,bymasqueradingasatrustworthyentityinanelectroniccommunication.Phishingistypicallycarriedoutbyemailorinstantmessaging,andoftendirectsuserstogivedetailsatawebsite,althoughphoneconta

40、cthasbeenusedaswell.Attemptstodealwiththegrowingnumberofreportedphishingincidentsincludelegislation,usertraining,andtechnicalmeasures.Source:Wikipedia50AllRightsReserved,Copyright(C)FUJITSULIMITED2007TechniqueofPhishingE-mailsendersserverE-mailsenderRealwebsiteofbank,creditcardcompany,etc.E-mailserv

41、erofrecipientAccountno.,etc.E-mailurgingtoenteraccountno.,etc.Personalinformationsuchasaccountno.Falselyclaimingtobearealbankandsoon,sendane-mailaskingforenteringpersonalinformationsuchasaccountno.duetorenewalofthesystem.Showaweblinktodirecttherecipienttoafalsewebsitethatissetuptostealthepersonalinf

42、ormation.51AllRightsReserved,Copyright(C)FUJITSULIMITED2007DamageofPhishingApproximately5.7millionpeoplereceivedphishingmails.19%ofthephishingmailrecipients(about1.1million)actuallyaccessedfalsewebsites.3%(about1.8million)oftherecipientsenteredpersonalinformation.Financialdamageofbanksandcreditcompa

43、niesamountedto1.2billiondollars.EstimationbytheGartnerGroupbasedonthehearingfrom5,000InternetusersintheU.S.A.betweenthesecondhalfof2003andthefirsthalfof2004.52AllRightsReserved,Copyright(C)FUJITSULIMITED2007Pharming(Farming)Similarinnaturetoe-mailphishing,pharmingseekstoobtainpersonalorprivate(usual

44、lyfinancialrelated)informationthroughdomainspoofing.Ratherthanbeingspammedwithmaliciousandmischievouse-mailrequestsforyoutovisitspoofWebsiteswhichappearlegitimate,pharmingpoisonsaDNSserverbyinfusingfalseinformationintotheDNSserver,resultinginausersrequestbeingredirectedelsewhere.Yourbrowser,howeverw

45、illshowyouareatthecorrectWebsite,whichmakespharmingabitmoreseriousandmoredifficulttodetect.Phishingattemptstoscampeopleoneatatimewithane-mailwhilepharmingallowsthescammerstotargetlargegroupsofpeopleatonetimethroughdomainspoofing.Source:WebopediaComputerDictionary53AllRightsReserved,Copyright(C)FUJIT

46、SULIMITED2007ReportingofComputerVirusInfectionSource:2006WhitePaperInformation&CommunicationsinJapan54AllRightsReserved,Copyright(C)FUJITSULIMITED2007Internetvs.IntranetInhouseWWWServerCorporateApplicationsServersIntranet(LAN-WAN-LAN)FirewallInternetPublicServerProxyServerMailServerNewsServerDNSServ

47、eretc.55AllRightsReserved,Copyright(C)FUJITSULIMITED2007FirewallAsystemdesignedtopreventunauthorizedaccesstoorfromaprivatenetwork.Firewallscanbeimplementedinbothhardwareandsoftware,oracombinationofboth.FirewallsarefrequentlyusedtopreventunauthorizedInternetusersfromaccessingprivatenetworksconnectedt

48、otheInternet,especiallyintranets.Allmessagesenteringorleavingtheintranetpassthroughthefirewall,whichexamineseachmessageandblocksthosethatdonotmeetthespecifiedsecuritycriteria.56AllRightsReserved,Copyright(C)FUJITSULIMITED2007RemoteAccesstoCorporateNetworkCustomersDataCenterRouterServersIntranetFENIC

49、SRemoteLANAccessNetworkACE ServerTunnelingGWCellularPhonePHS123456SecureIDAPPSTNISDNDial-upRouterModemTACallersnumberCheckOnetimePasswordNetworkMonitoringCenter24hours/365daysAdministrationServerAuthenticationAdministratorPSTNISDNModem/TA(RADIUS)57AllRightsReserved,Copyright(C)FUJITSULIMITED2007Secu

50、rityTechnologiesEncryptiontoprotectfromloss of privacyDigitalSignaturetoprotectfromloss of integrityAuthenticationtoprotectfromspoofing58AllRightsReserved,Copyright(C)FUJITSULIMITED2007EncryptionMethodsSecret-key(Symmetrical)cryptographyThesamekeyisusedtoencryptanddecrypte.g.DES(Data Encryption Stan