外文翻译--web环境下基于角色的访问控制

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1、附录A：英文原文Role-BasedAccessControlfortheWebJohnF.Barkley,D.RichardKuhn,LynneS.Rosenthal,MarkW.Skall,andAnthonyV.Cincotta,NationalInstituteofStandardsandTechnologyGaithersburg,Maryland20899ABSTRACTEstablishingandmaintainingapresenceontheWorldWideWeb(Web),onceasidelineforU.S.industry,hasbecomea

2、keystrategicaspectofmarketingandsales.ManycompanieshavedemonstratedthatawelldesignedWebsitecanhaveapositiveeffectontheirprofitability.EnablingcustomerstoanswertheirownquestionsbyclickingtheirwaythroughWebpages,insteadofdealingwithoperatorsandvoiceresponsesystems,increasestheefficiencyofthe

3、customerinterface.Oneofthemostchallengingproblemsinmanaginglargenetworkedsystemsisthecomplexityofsecurityadministration.ThisisparticularlytruefororganizationsthatareattemptingtomanagesecurityindistributedmultimediaenvironmentssuchasthoseusingWorldWideWebservices.Today,securityadministratio

4、niscostlyandpronetoerrorbecauseadministratorsusuallyspecifyaccesscontrollistsforeachuseronthesystemindividually.Role-basedaccesscontrol(RBAC)isatechnologythatisattractingincreasingattention,particularlyforcommercialapplications,becauseofitspotentialforreducingthecomplexityandcostofsecurity

5、administrationinlargenetworkedapplications.TheconceptanddesignofRBACisperfectlysuitedforuseonbothintranetsandinternets.Itprovidesasecureandeffectivewaytomanageaccesstoanorganization’sWebinformation.ThispaperdescribesaresearchefforttodevelopRBAContheWeb.Thesecurityandsoftwarecomponentsthatp

6、rovideRBACfornetworkedserversusingWebprotocolshavebeenimplementedandaredescribedinthispaper.TheRBACcomponentscanbelinkedwithcommerciallyavailablewebservers,andrequirenomodificationoftheserversoftware.IntroductionEstablishingandmaintainingapresenceontheWorldWideWeb(Web),onceasidelineforU.S.

7、industry,hasbecomeakeystrategicaspectofmarketingandsales.Manycompanieshavedemonstratedthatawell-designedWebsitecanhaveapositiveeffectontheirprofitability.EnablingcustomerstoanswertheirownquestionsbyclickingtheirwaythroughWebpages,insteadofdealingwithoperatorsa