an effecient attack-resistant trust model for p2p network

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1、IJCSNSInternationalJournalofComputerScienceandNetworkSecurity,VOL.6No.11,November2006251AnEfficientAttack-ResistantTrustModelforP2PNetworksChunqiTian,ShihongZou,WendongWang,ShiduanChengStateKeyLaboratoryofNetworkingandSwitchingBeijingUniversityofPostsandTelecommunicationsBeijing,P.R

2、.China,100876notbecompatiblewiththedesignphilosophyofP2PSummarysystems.SomeresearchershavepresentedseveralBuildingtrustrelationshipbetweenparticipantsinalarge-scalerecommendation-basedapproachesinP2Psystems,wheredistributedPeer-to-Peer(P2P)file-sharingsystemisachallengingpeerskeeptr

3、ackofandsharetheratinginformationaboutresearchtopicbecauseofpeeranonymity,peerindependence,eachother[1][2][8][10][11].Nevertheless,theyarenothighdynamicsofpeerbehaviors,andtheabsenceofaneffectivedesignedtohandlemaliciousanddeliberateattackonthesecuritymechanism.However,itisdifficult

4、tobuilttrustsimplytrustmodels.Inordertomakeaccountablereferralstothebythetraditionalmechanism.Recommendationbasedtrustusers,trustmanagementsystemsneedtobeabletodetectmodelswhicharesimilarwithandcomefromsocialrelationshipcanresolvetheproblem,butfacethechallengesofsubjectively,possibl

5、eattacksorthreatsthatmalicioususersposetotheexperientialweightingrecommendationinformationwhensystem.Toreducetheamountofnegativeexperience,itisaggregatingthem.ThispaperpresentsARTrust—anAttacknecessaryforthetrustmanagementsystemtowarnusersResistantTrustmanagementmodel,anovelrecommen

6、dationofpossiblebadattemptsanddiscouragethemfrombasedtrustmodelforP2Pnetworks.Thetrustmodelconsistsofperformingsuchbehavior.twoparts:reputationevaluationandpenaltyevaluation.Bearingtheseissuesinmind,wepresentanattackReputationrepresentstheaccumulativeassessmentoftheresistanttrustman

7、agementframeworkfordecentralizedlong-termbehaviorandthepenaltypartwhichisfurtherdividedP2Psystems,withemphasisonefficientlyaggregatingintoconflictingvalueandmisusagevalueisemployedtodealwiththedynamicorspoilingbehaviorofpeers,whichmakesreferralswhichincludeconflictsandinconsistency,

8、aswellARTrustdiffer