trustme anonymous management of trust relationships in decentralized p2p

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1、TrustMe:AnonymousManagementofTrustRelationshipsinDecentralizedP2PSystemsAameekSinghLingLiuCollegeofComputing,GeorgiaTechCollegeofComputing,GeorgiaTechaameek@cc.gatech.edulingliu@cc.gatech.eduAbstractpreventthisthreatortopunishsuchmalicioususers.Also,thereisnoaccountabilityofapeerforprovidi

2、ngaparticularDecentralizedPeertoPeer(P2P)networksofferbothop-resource.Suchdrawbacksaresomeoftheprimaryhurdlesportunitiesandthreats.ItsopenanddecentralizednatureinthepromotionofP2Psystemstoamoreusefulsetting.makesitextremelysusceptibletomalicioususersspreadingAssumingapureP2Penvironment,str

3、ategiesfortack-harmfulcontentlikeviruses,trojansor,evenjustwastinglingsuchissueshavetobedecentralizedinnature,i.e.wevaluableresourcesofthenetwork.Inordertominimizesuchneedtodevelopmechanismswhichavoidpresenceofcen-threats,theuseofcommunity-basedreputationsastrustmea-traltrustedauthorities.

4、ManyexistingP2Pcommunitiessurementsisfastbecomingade-factostandard.Theideaishaveusedcommunity-basedreputationstoestimatethetrust-todynamicallyassigneachpeeratrustratingbasedonitsworthinessandpredictthefuturebehaviorofpeers.Con-performanceinthenetworkandstoreitatasuitableplace.cretely,thecu

5、rrentsystemsassociatewitheachpeer,atrust-Anypeerwishingtointeractwithanotherpeercanmakeanworthinessmetricandallowotherpeerstohaveaccesstoinformeddecisionbasedonsucharating.thisinformationanddecidebythemselveswhethertointer-Animportantchallengeinmanagingsuchtrustrelation-actwiththatpeerorno

6、t.Suchametricisprimarilybasedshipsistodesignaprotocoltosecuretheplacementandac-onpeer-reviewsi.e.eachpeeroninteractingwithanothercessofthesetrustratings.Surprisingly,alltherelatedworkpeer,ratestheperformanceofthepeeronacommonscaleinthisareaeithersupportverylimitedanonymityorassumeandviceve

7、rsa.Thistrustworthinessmetricisusuallycalledanonymitytobeanundesiredfeatureandneglectit.reputation-basedtrustvalue.AhightrustvalueindicatesInthispaper,wemotivatetheimportanceofanonymity,thatthepeerhasgainedgoodreputationintermsofitspastespeciallyinsuchtrustbas