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1、LinuxImplementationandEvaluationofaCooperationMechanismforHybridWirelessNetworksAttilaWeyland,TorstenBraun,ThomasStaubCarolinLatzeInstituteofComputerScienceandDepartmentofInformaticsAppliedMathematics,UniversityofBernUniversityofFribourgNeubr¨uckstrasse10,3012Bern,SwitzerlandBddeP´er
2、olles90,1700Fribourg,Switzerland{weyland
3、braun
4、staub}@iam.unibe.chcarolin.latze@unifr.chAbstractofuncooperativebehavior[2,6,9,1416,18,25].Usu-ally,enforcementschemesrelyonneighborhoodmonitor-Communicationovermultiplehops,suchasinhybridingandreputationsystems.Theirchallengesincludethe
5、wirelessnetworks,canonlyworkiftheindividualhopsco-correctdetectionof(un)cooperativebehaviorandtheassur-operatebyforwardingpacketsfromotherhops.Wepresentanceoftheefficiencyofthe(threatof)punishment.Inco-theLinuximplementationofourpreviouslyproposedco-operationencouragementschemesnodesa
6、rerewardedwithoperationandaccountingstrategyforhybridwirelessnet-virtualmoneyincaseofcooperativeness,asforexampleworkscalledCASHnet.Wedescribeourimplementationin[4,5,7,10,11,26].Theytypicallyrelyontamperresistantaswellasourtestbed,whereweperformeddifferenteval-hardwareinordertoprotec
7、tchargingandrewardingmecha-uationsregardingintroduceddelayandpacketprocessingnismsandsomecentralsecurity/accountinginstance.Theirtime.Weidentifythelimitationsofourschemeinareal-lifechallengesaretofindthebalancebetweensecurityandef-scenarioanddiscusspossibleimprovements.ficiencyofthecha
8、rgingandrewardingmechanismsaswellastoensurethecontroloverthevirtualcashflow.CASHnet[23],ourcooperationandaccountingstrategy1.Introductioninhybridwirelessnetworks,isanencouragementschemewithahybrid(partlycentralizedanddecentralized)ac-Hybridwirelessnetworksarealsocalledmultihopcellu-co
9、untingarchitecture.Comparedtofullydecentralizedac-larnetworksandwerefirstproposedin[13].Hybridwire-countingschemes,CASHnetensuresaconstantcashflowlessnetworksconsistofbasestationsandmobilestations.andkeepstheproviderincontrolofitasweshowedin[24].Multi-hopcommunicationisusedtoextendthec
10、overageofUnl
