基于ipv6的全ip网络中的移动性与其扩展

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1、MOBILITYINALL—IPNETWORKBASEDoNIPv6ANDITSEXTENSIoNAbstractThefutureMobileCommunicationiSbasedonA11一IPNetworksinordertomakethegoalofPersonalCommunication．Atthesametime，withrecentadvancesinwirelesscommunicationtechnology，mobilecommunicationisanincreasinglyimportantare

2、aofresearch．AlongwiththeInternet’Spursuingofgreatbandwidthcapacityandhighspeed，thehopefortherealizationofpersonalcommunicationenablingmobilityinIPnetworksisasignificantissueformakinguseofmanyportabledevicesappearingontheInternet．IncurrentIPmobili够protocols，although

3、MobileIPhadbecomethegeneralstandardMobilityprotocol，therearestillalotofshortcomings，suchastriangularrouting，inefficientreal-timehandoffroutingprocedures，highlybandwidthconsumption，badsecuritycapability,etcDespitealotofschemesorsolutionshadbeenpresentedbasedonTunnel

4、technique，HierarchyRegisterManagementtopreventTriangularRoutingortoreducebandwidthconsumption，therearestillmanynewtechniquesshouldbeincludedinMobileIPprotocolstomakeitmoreefficient．Inthisarticle，wewillproveitshouldbeimprovedwithinmanyfieldsthroughpresentseveralsche

5、meswiththesimulationresultsonSOITIekeyproblemsFirstly,wewillintroducetheenvironmentthatMobileIPbased，especiallytheWirelessDataNetwork，thenofferasummaryofthestageofMobileIPprogressingtomakeiteasyforthecominganalysisInthisarticle，anewDPH(DoublePathHandoff)techniquewa

6、s、introducedforreal．timetrafficinMobileIPv6networks．MobileIPprocedureswereadaptedtothenewIntServQoSmechanismandtheRSVPprotocoltocreateanotherpathinordertoreducetheinterrupttimebetweenhandoff,andimprovetheefficientofMacro-handoffthrou曲relocationofnetworkresourcesThe

7、simulationresultsshowthatthenewtechniquegreatlyreducedbandwidthconsumptioncomparedtorelatedtechniques，andimprovedbandwidthefficiencybyreassigningcontrolled-loadtraffictotheunusedresourcesonthehomepath．ComparativelylittledisruptionwascausedfortheMNwhencommunications

8、weretransferredbetweenthehomepathandthemobilepathAlsointroducedthetheoryofMobilityManagement，pointedtheshortcomingsofcurrentMobilityManagementbys