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1、AQuantitativeStudyofAuthenticationandQoSinWirelessIPNetworksWeiLiangWenyeWangDepartmentofElectricalandComputerEngineeringNorthCarolinaStateUniversity,Raleigh,NC27695-7911Abstract—Withtheincreasingdemandforsecureandnism,duetolackofend-to-endSA,thecredentia
2、lsoftheMUhigh-qualitycommunicationsinpublicaccesswirelessIPareencryptedandtransmittedforremoteverificationhop-by-networks,itisveryimportanttohaveanin-depthunder-hopamongauthenticationservers[8–10].Thetransmissionandstandingoftherelationshipbetweenthesecuri
3、tyandqual-encryption/decryptionofcredentialsaffectmanyQoSparame-ityofservice(QoS).Inwirelessnetworks,authenticationcanterssuchasauthenticationcostintermsofsignalinganden-providesecurecommunicationsbypreventingunauthorizedcryption/decryptioncostandauthenti
4、cationdelay,whichfurtherusageandnegotiatingthecredentialsfordatatransmission.affectotherparameterssuchascalldroppingprobabilityandNevertheless,itinducesheavyoverheadanddelaytodatathroughput.Therefore,insomescenario,atradeoffbetweense-transmission,furtherd
5、eterioratingoverallsystemperfor-curityserviceandsystemperformanceshouldbeconsideredbe-mance.Therefore,weanalyzetheimpactofauthenticationcausedifferentusershavedifferentpreferencebetweensecurityonthesecurityandQoSquantitativelyinthispaper.First,andperforma
6、nce.weintroduceasystemmodelbasedonachallenge/responseMoreover,thearrivalrateofauthenticationrequestsistightlyauthentication,whichiswidelyusedinvariousmobileenvi-relatedwiththemobilityandtrafficpatternsoftheMU,whichronments.Then,aconceptofsecuritylevelispro
7、posedtomaycausegreatimpactonQoSparameterssuchasaggregateddescribetheprotectionofcommunications,whichisclassi-authenticationcostindifferentscenarios,becausethecostneedsfiedwithregardtothenatureofsecurity,i.e.,informationtobecalculatedbyaddingupthecostsinall
8、oftheauthentica-secrecy,dataintegrity,andresourceavailability.Bytakingtionrequests.Therefore,theimpactofauthenticationonQoStrafficandmobilitypatternsintoaccount,ourapproaches-parametersarefarmoresophisticatedwithdiff
