a novel caching scheme for internet based mobile ad hoc networks

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1、ANovelCachingSchemeforInternetbasedMobileAdHocNetworksSunhoLim,Wang-ChienLee,GuohongCao,andChitaR.DasDepartmentofComputerScience&EngineeringThePennsylvaniaStateUniversityUniversityPark,PA16802fslim,wlee,gcao,dasg@cse.psu.eduAbstract—Internetbasedmobileadhocnetwork(IMANET)exploringanalterna

2、tivetechnology,calledMobileAdHocisanemergingtechniquethatcombinesawirednetwork(e.g.Network(MANET),foritslowcostandeaseofdeployment.Internet)andamobileadhocnetwork(MANET)fordevelopingAsignificantvolumeofresearchworkonMANEThasaubiquitouscommunicationinfrastructure.However,IMANEThasseverallimi

3、tationstofulfillusers'demandstoaccessvariousappearedintheliteratureinthepastfewyears[1],[2],kindsofinformationsuchaslimitedaccessibilitytothewired[3],[4],[5],[6],[7],[8].However,researchonMANETisInternet,insufficientwirelessbandwidth,andlongermessageprimarilyfocusedondevelopingroutingprotoco

4、lstoincreaselatency.Inthispaper,weaddresstheissuesinvolvedinin-connectivitiesamongMTsinaconstantlyvaryingtopology.formationsearchandaccessinIMANET.AbroadcastbasedDuetotheusers'interestsinaccessingtheInternet,itisanSimpleSearch(SS)algorithmandanaggregatecachingmechanismareproposedforimprovi

5、ngtheinformationaccessibilityandimportantrequirementtoconsidertheintegrationofMANETreducingaveragecommunicationlatencyinIMANET.AspartwiththeInternet.Thus,toputtheMANETtechnologyintooftheaggregatecache,acacheadmissioncontrolpolicyandathecontextofreallife,weconsideranInternetbasedMANET,cache

6、replacementpolicy,calledTimeandDistanceSensitive(TDS)calledIMANET[9],andinvestigatetheproblemofinformationreplacement,aredevelopedtoreducethecachemissratioandsearchandaccessunderthisenvironment.UnderIMANET,weimprovetheinformationaccessibility.Weevaluatetheimpactofcaching,cachemanagement,an

7、daccesspoints,whichareassumethatsomeoftheMTsareconnectedtotheInternetorwiredprivatenetworks2.Thus,anMTmayaccessInternetconnectedtotheInternet,throughextensivesimulation.Thesimulationresultsindicatethattheproposedaggregatecacheinformationviadirectconnectionorvi