qgrid an adaptive trust aware resource management framework

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1、78IEEESYSTEMSJOURNAL,VOL.3,NO.1,MARCH2009QGrid:AnAdaptiveTrustAwareResourceManagementFrameworkLiLinandJinpengHuai,Member,IEEEAbstract—RecentyearshavewitnessedtherapiddevelopmentTherehavebeenmanyattempts[4]–[6]thatapplypricingorofGridcomputingovertheInternet,whichpromisestoempowermicro-curren

2、cyapproacheswithaviewtodealingwithresourcehighlydesirableresourcesharingandcooperationamongdifferentincentive.Anodeearnsvirtualcurrencybysellingresources,organizations.However,thereremainsachallengingissuefacingwithwhichitcanbidforotherresources.However,theseap-Gridenvironments.Maliciousorse

3、lfishnodesconsumepreciousresourceswithoutcontributionoreventrytodestroythesystemproaches,whichonlyconsiderofferedbiddingprice,arenotintentionally.Thiscanseverelydegradethesystemperformanceabletofightagainstseveralmaliciousbehaviors.Forexample,andlimitthehealthydevelopmentofGridsystems.Toencour

4、ageamaliciousnodeconsumesresourcesbutdoesnotpayfortheresourcesharingandfightagainstmaliciousbehaviors,wepro-resourceoccupation;oritmayintentionallydestroythecom-poseanadaptiveresourcemanagementframeworkQGridwhichputingandinformationresourcesonaresourceprovider;oritintegratestrustfactorintoeco

5、nomic-drivenallocationprocess.Eachproviderallocatesresourcesaccordingtothebiddingpricemayoftenboastofhavingmoreresource,whichmakesgoodandthetrustvalueofarequesterbycontrollingthecorrespondingnodessuffereconomiclosses.Thesebehaviorscanseriouslythresholdofpriceandtrustvalue.Theincompleteinform

6、ationdiscourageresourcesharingamongdifferentnodes.isakeyissueforaproviderindeterminingthetwothresholds.Incontrast,therehavebeenalotofresearchefforts[7]–[10],WeemployaQ-learningtechniquetoresolvetheissue,whichwhichemploythenotionofreputationmanagementtodefendcanadapttothedynamicsofGridenviron

7、ments.Furthermore,weintroduceasimpleisolationschemetosecuretheGridsystemagainstadversarybehaviors.Bycontributingmorevaluablere-byfrustratingmaliciousparticipantsfromjoiningthesystem.sourcesandperformingmorebenignbehaviors,anodecangetAQGridprototype