game theory based reputation mechanism to incentivize cooperation

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1、AdHocNetworks8(2010)416–429ContentslistsavailableatScienceDirectAdHocNetworksjournalhomepage:www.elsevier.com/locate/adhocAgametheorybasedreputationmechanismtoincentivizecooperationqinwirelessadhocnetworksJuanJoséJaramillo*,R.SrikantCoordinatedScienceLabora

2、toryandDept.ofElectricalandComputerEngineering,UniversityofIllinois,Urbana-Champaign,IL61820,UnitedStatesarticleinfoabstractArticlehistory:Inwirelessadhocnetworksonewaytoincentivizenodestoforwardothernodes’packetsReceived20November2008isthroughtheuseofreput

3、ationmechanisms,wherecooperationisinducedbythethreatofReceivedinrevisedform30Septemberpartialortotalnetworkdisconnectionifanodeactsselfishly.Theproblemisthatpacket2009collisionsandinterferencemaymakecooperativenodesappearselfishsometimes,gener-Accepted14Octob

4、er2009atingunnecessaryandunwantedpunishments.WiththeuseofasimplenetworkmodelAvailableonline20October2009wefirststudytheperformanceofsomeproposedreputationstrategiesandthenpresentanewmechanismcalledDARWIN(DistributedandAdaptiveReputationmechanismforKeywords:W

5、irelessadhocNetworks),wherewetrytoavoidretaliationsituationsafteranodeisfal-AdhocnetworksWirelessnetworksselyperceivedasselfishtohelprestorecooperationquickly.Usinggametheory,weproveReputationmechanismsthatourmechanismisrobusttoimperfectmeasurements,iscollus

6、ion-resistantandcanIncentiveschemesachievefullcooperationamongnodes.Simulationsarepresentedtocomplementourthe-Cooperationenforcementoreticalanalysisandevaluatetheperformanceofouralgorithmcomparedtootherpro-posedreputationstrategies.Ó2009ElsevierB.V.Allright

7、sreserved.1.Introductiontherefore,itisnecessarytodevelopmechanismsthatallowcooperationtoemergeeveninthepresenceofselfishWirelessadhocnetworksconsistofasetofself-config-users.uringnodesthatdonotrelyonanyinfrastructuretocom-Incentivemechanismscanbebroadlydivide

8、dintwomunicateamongeachother.Toachievethisgoal,asourcecategories:credit-exchangesystemsandreputation-basedcommunicateswithadistantdestinationthroughinterme-systems.Incredit-exchangesystems[2–8],coopera