分布式环境中访问控制模型的研究与应用

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1、西南交通大学硕士学位论文分布式环境中访问控制模型的研究与应用姓名：李开勤申请学位级别：硕士专业：计算机应用技术指导教师：周荣辉20070401西南交通大学硕士研究生学位论文第1I页AbstractWiththedevelopmentofnetworktechnologyandtheenlargingofenterprisescale，distributedapplicationsystemsareusedbymoreandmoreenterprises．Manydistributedapplicationsystemsus

2、eacP_．e鼹controlaseffectivesolutiontohandlesecurityproblem．ButSOmanydistributedapplicationsystemshavebeenusedinenterprise，thatsecuritymanagementbecomeveryceomplicated．Tosolvethisproblem，enterpriseshavetointegrateanofdistributedapplicationsystemanddevelopEnterpriseI

3、nformationManagementPlatform(EIMP)，SOemployeesoradministratorscanuseittoaccessormanagedistn％utedapplicationsystemsforattainingthepurposeofuniformaccesscontrolandmanagement．啦thesistakestheestablishingofglobalacoe豁controlmechanismasstudycontent,tosupplyefficientsecu

4、rityaccesssolutionforthedevelopmentofEIMP．Firstly,theauthoranalyzestraditionalaccesscontrolmodel，suchasmandatoryaccesscontrol；discretionaryaccesscontrolandrole-basedaccesscontrol，andthenpointsoutthefaultofusingtheminmodemapplication．Secondly，newgenerationaccesscon

5、trolmodel一--usagecontrol(UCON)，whichlaythelogicfoundationofpracticalapplication，hasbeensystematicallystudiedandanalyzedbyusingsetandpredicationtheory．Thirdly,accordingtothefeatureofdistributionapplicationandenterprisestruetu托，OrganizationStructureAccessControl(OSA

6、C)modelhasbeencreatedinthisthesisbyusingbasicprincipleofUCON，anddescribingthroughsetandpredicationtheory．Fourthly,theauthorintroducesindetailthearchitectureandfunctionalityofEIMP，andanalyzesOSACmodeldeeply．Finally,theauthorputsforwardthesecuritycontrolsolutionbase

7、donOSACtoimplementtheEIMP．Theauthorstudysthedevelopmentofdatabaseandmodules，analyzeskeytechnologyandputsforwardanapplicationexampleofthesolution．Thethesisindicatesthat0sAcmodelcandescribethecharacteristicofglobalaccesscontrol。toaffordsafeandpracticalstrategyofacce

8、sscontrol西南交通大学硕士研究生学位论文第1

9、I页forkindsofdistributedapplicationsystems；whafsmore，theaccesscontrolsolutionofOSACcan繇tis匆theneedofaccesscontrolstrategyasreu