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一种基于SIP与移动IPV6的异构网络切换方法.docx

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一种基于SIP与移动IPV6的异构网络切换方法 Title:HeterogeneousNetworkSwitchingMethodbasedonSIPandMobileIPv6 Abstract: Therapidgrowthandwidespreadadoptionofmobiledeviceshaveledtothedevelopmentofheterogeneousnetworks,wheredifferenttypesofnetworkscoexist,suchasWi-Fi,cellularnetworks,andEthernet.Seamlessnetworkswitchingiscrucialformobileuserstomaintainuninterruptedconnectivityandoptimizenetworkperformance.Inthispaper,weproposeamethodthatleveragesSessionInitiationProtocol(SIP)andMobileIPv6toenableseamlessnetworkswitchinginaheterogeneousnetworkenvironment.Themethodaimstominimizeservicedisruption,reducelatency,andenhancethequalityofuserexperience. 1.Introduction: Withtheincreasingdemandforalways-onconnectivity,mobileusersswitchbetweendifferentnetworkenvironmentsfrequently.Heterogeneousnetworkenvironmentsencompassadiverserangeofnetworks,includinglocalareanetworks(LANs),cellularnetworks,andwirelessfidelity(Wi-Fi)networks.Thesenetworksdifferintermsofbandwidth,coverage,latency,andcost.Therefore,efficientnetworkswitchingtechniquesarerequiredtoensureseamlessconnectivityandprovideanoptimaluserexperience. 2.RelatedWork: Severalapproacheshavebeenproposedtoaddressthechallengesofnetworkswitchinginheterogeneousenvironments.Theseapproachesincludeverticalhandoff,horizontalhandoff,andnetwork-drivenapproaches.However,thesemethodsoftensufferfromissuessuchasexcessivehandoffdelays,lackofflexibility,andservicedisruption.Toovercometheselimitations,weproposeaSIPandMobileIPv6-basednetworkswitchingmethod. 3.SystemArchitecture: Theproposedsystemarchitectureconsistsofthreemaincomponents:themobileclient,thenetworkmanager,andthenetworkaccesspoints.ThemobileclientisresponsibleforinitiatingandmaintainingSIPsessionswithnetworkaccesspoints.Thenetworkmanagerfacilitatesnetworkdiscovery,selection,andhandoverdecisions.Thenetworkaccesspointsprovideconnectivitytodifferentnetworksandhandlenetwork-specificprotocols.Thearchitectureenablesseamlessswitchingbetweenheterogeneousnetworkswhileminimizingservicedisruption. 4.SIP-basedNetwo