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1、TECHNOLOGYADVANCESFOR3GANDBEYONDHandoverManagementforMobileNodesinIPv6NetworksNicolasMontavontandThomasNoëlLSIIT—LouisPasteurUniversity—CNRS,StrasbourgABSTRACTNevertheless,anMNcannotreceiveIPpack-etsonitsnewpointofattachmentuntiltheInthisarticleweanalyzeIPv6handoveroverhandoveren
2、ds.ThistimeincludesthenewprefixwirelessLAN.MobileIPv6isdesignedtoman-discoveryonthenewsubnet,thenewcare-ofagemobilenodes’movementsbetweenwirelessaddressestablishment,andthetimeneededtoIPv6networks.Nevertheless,theactivecommu-notifythecorrespondentsandhomeagentaboutnicationsofamob
3、ilenodeareinterrupteduntilthenewlocalityoftheMN.Thistimeiscalledthehandovercompletes.Therefore,severalhandoverlatency.extensionstoMobileIPv6havebeenproposedActually,handoverlatencycanbetoolongtoreducethehandoverlatencyandthenumberforreal-timemultimediaapplications.Inmostoflostpac
4、kets.Wedescribetwoofthem,Hier-cases,theimpactofhandoverlatencystronglyarchicalMobileIPv6,whichmanageslocaldegradestheIPv6streamofMNs.Therefore,movementsintoadomain,andFastHandovertherearemanyextensionstoMIPv6andnewprotocol,whichallowstheuseoflayer2trig-protocolsproposedtoimprovet
5、heIPv6connec-gerstoanticipatethehandover.WeexposethetivityofMNs.Theaimoftheseproposalsistospecifichandoveralgorithmsproposedbyallreducethelatencyandthenumberoflostpack-thesemethods.Wealsoevaluatethehandoveretsduetohandoverbetweenonepointofattach-latencyoverIEEE802.11bwirelessLAN.
6、Wementtoanother[3],andthesignalingloadoncomparethelayer2andlayer3handoverlaten-theMIPv6homeagentandthecorrespondentcyintheMobileIPv6caseinordertoshowthenodes[4].savingoftimeexpectedbyusinganticipation.Theaimofthisarticleistopresentthreepro-Weconcludebyshowinghowtoadaptthetocolsth
7、atmanageMNmovements:MobileIEEE802.11bcontrolframestosetupsuchIPv6[1];HierarchicalMobileIPv6[4],whichanticipation.optimizesmovementinanadministrativedomain;andFastHandoverProtocol[3],whichanticipatesthemovementtostartthehandoverINTRODUCTIONearlier.Theseprotocolsarestudiedinthenext
8、Nowadays,wirelessnetworkaccessisincreas-