移動自組網(wǎng)協(xié)同安全關(guān)鍵技術(shù)的研究.pdf

1、南京郵電大學(xué)碩士學(xué)位論文移動自組網(wǎng)協(xié)同安全關(guān)鍵技術(shù)的研究姓名：丁培培申請學(xué)位級別：碩士專業(yè)：信息與通信工程指導(dǎo)教師：吳蒙20090301南京郵電火學(xué)碩t研究生學(xué)位論文AbstractABSTRACTMobileAdhocNetworkisaspecialPeerto—Peernetworkwhichisselforganizedinfrastructurelessanddynamicallyreconfiguration，butvery

2、vulnerabletoawidevarietyofattacksInAdhocnetwork，nodescooperatebyforwardingpacketsforeachothertoallowthemtocommunicatebeyonddirectwirelesstransmissionrangeTherefore，thecooperationofnodesisakeyissuetocommunicationThecooper

3、ativesecurityschemesofferthereasonableeffectivesolutiontoresolvetheuncooprativebehaviorwhichlaunchedbythemaliciousandselfishnodesinthemobileAdhocnetworkThisthesismainlydiscusseshowtoinspiritnodestocooperateunderthecondit

4、ionwhichlacksapriortrustrelationshipAtfastthisthesisanalysesthesecurityissuesinAdhoenetwork，makesacomparisonanddiscussionoftheirrespectivemeritsandfaultsInthenocooperationnetwork，selfoconcemandmalicemakethenodesnotcooper

5、atewithothersThisthesisproposesalluncooprativeattackmodelandexaminestheeffectofthismodelbysimulationSimulationresultsshowthatselfishbehaviorCanaffectthenetworkperformanceinalagredegreeThenbasedonthetheexistingresearchoft

6、hecooperationschemes：virtualcurrencybasedschemesandreputationbasedschemes，alloptimizedreputationsystemCREMispresentedThemodelfullyconsidersthecharacteristicofmobileAdhocnetworkoptimizesthecalculationofreputationandshares

7、theinformationbetweennodesbytransmittinglocallyIthasthecharactersofdistributioncooperationandfacilityOnbasisoftheCREMmodel，thisthesisproposesasecurityroutingprotocol(CREMDSR)Simulationresultsshowthatitcallfleetlydetectth

8、euncooprativenodes，givetheappropriatepunishment，andgetbetterperformanceonthroughputaswellaspacketsdeliveryratioandpacketsdropratioFinallyaroutingschemecombiningthecooperationschemeandtheenergyawareroutingisproposedThesch