从Extranet看电子商务

1Extranet(510641)1Intranet,,Extranet,,,Intranet,,,Extranet,:Intranet1);2)Web()Extranet[1][2]19989AS/400e(:,):,,,2Extranet,ExtranetWebTCP/IP();,ExtranetExtranet,TCP/IP:1):Extranet*(98-2-062-01):19981012(Directory),,,X.500,[5]19953LDAP(LightweightDirectoryAccessProtocol),[6]2):Extranet,,()(),,,,[3]3)::l),,;2),,[4]Extranet,,,,:l)();2)();3)();4)()IBMRegistryforSETSETExtranetIBMExtranet:IntranetExtranet:Extranet19992©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.21999IBMRegistryforSETComponents1IBMRegistryforSET2Extranct,,SETIBMRegistryforSET(CardholderCertificateAuthority,CCA)(MerchantCertificateAu2thority,MCA)(PaymentGatewayCertificateAuthority,PCA)(CCAMCA),IBMRegistryforSET(1):(Administrator)(Approver)(SETCAServer)Administra2tor,ApproverSETSETCAServerSET3Extranet,Extranet2:1)Extranet:;2)Extranet:Extranet;3)Extranet:ExtranetExtranet;4):ExtranetExtranet:1);2);3);4);5),Extranet4ExtranetExtranet:1);2);3);4)IS/IT;5);6)ExtranetFederalExpress,doityourselfshipmenttrackingsystemWebFederalExpress,FederalExpress,,,,,3C:1)(ContentManagement);;Web;2)(Collaboration&Message),;3)(ElectronicCommerce);,:a2mazon.com(),amazon,,,,,,,,,,,3©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.23InternetIntranetExtranet()+(200030)(200030)Web,WebCGIADCIDCADONetscapeLiveWireProOracleWebServer1Internet,Web,Web,Web,,,,:1998813,CGI,ADC,IDC,ADO,NetscapeLiveWire,OracleWebServer,,?21InformixOracleSybasePowerBuilderVisualBasic/3:1)(Publish);2)(Intergration);3)(e-Commerce),IntranetExtranetMETAGroupInternet:ReturnonInvest2mentStudy,June27,1997(3403,1000):(17%ROI21%),(90%ROI68%),(166%ROI44%)Extranet5,,,,Extranet,Intranetl,In2tranetExtranet1IntranetExtranetIBMe-business=Web+IT:Web,,IBMNet.CommerceIBMRegistryforSET[2],,2000,6000,,199836,,,,,,,,1[]PeterLoshin,,.Extranet.:1998.22.:,1998,NO.16:30-333,.EDI.:,1998,35(2):108-1134NeumanC,TsoT.Kerberos.Anauthenticationserviceforcomputernetworks.IEEECommunicationMagazine,1994,32(9):33-385CCITT.Thdirectory-Overviewofconcept,modelsandservices.RecommendationX.500andISO9594-1,19886YeongW,HowesT,KilleS.LightweightDirectoryAccessProtocol.RFC1777,1995:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.