分级ad hoc网络负载均衡技术的研究

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1、ABSTRACTAbstractMobileAdHocNetwork(MANET)isacollectionofwirelessmobilenodesforminganon—center,distributed，dynamicandmulti—hopnetwork．Accordingtothenetworkstructure，MANETCallbegenerallysortedintotwocategories：flatandhierarchical．Routingprotocolisthebaseofnetworkcommunication．Inthe

2、designofroutingprotocols，theintroductionofload-balancingmechanismcanbalancethenetworkloadeffectivelyandimprovethenetworkoverallperformance．Firstly,byanalyzingtheneedsofroutingprotocolinthehierarchicalnetwork，weproposeahierarchicalnetworkOLSRprotocolbasedontheOLSRprotocolanddescri

3、bethedesignideasandthedetails．HierarchicalnetworkOLSRprotocolCanprovidecorrectroutesforthecommunicationsinthesubnetandamongthesubnets．CollaboratingwiththemobileIPv6，HierarchicalnetworkOLSRprotocolCanensurethecommunicationcontinuitywhenanodemovesintoanothersubnet．Fortheinherentrou

4、tecouplinginMANET,weproposeanOLSR—basedmulti—channelmulti—pathroutingprotocolwithloadbalancing，whichiscalledMMRP—LB．MMRP—LBregardstheavailablechannelbandwidthasthereferenceofthenodeloadandestablishsmultiplenodedisjointpathswhichhavethewideravailablechannelbandwidthandthesmallerho

5、ps．Everypathisassignedachannel．MMRP—LBtakesadvantagesofmultiplechannelsanddatacanbetransmissedparallellyindifferentchannelsanddifferentlpaths，whichCaneffectivelyreducetheco-channelinterferenceandachievebetterloadbalancingeffect．Inordertoimprovethereliabilityandsurvivabilityoftheh

6、ierarchicalnetwork，weproposeamulti--gatewayloadbalancingprotocol--MGLBbasedonthehierarchicalnetworkOLSRprotoc01．Toachieveloadbalancing，MGLBallowsthesecondarynodestoaccessthehigherclassnetworkthroughmultiplegateways(thefirst一1evelnode)，andrelysonmultiplegatewaystodistributethedata

7、equally．Totestthefeasibilityoftheproposedalgorithms，wecreatesimulationplatformsIIABSTRACTbasedonOPNET14．5．Bydifferentsimulationscenarios，wevalidatethedesignofhierarchicalnetworkOLSRprotocoliscorrectandfeasibleanddemonstrateMMRP——LBandMGLBcanimprovethenetworkperformanceeffectively

8、．Keywords：AdHocNetwork，Loadbanlancing，hi