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1、大連交通大學(xué)碩士學(xué)位論文網(wǎng)格服務(wù)資源發(fā)現(xiàn)的研究姓名：何超申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)教師：馬海波20081214大連交通人學(xué)l：學(xué)碩十學(xué)何論文AbstractGridtechnologyis811importantdevelopmentdirectionofcurrentcomputertechnology．Itintegratesresourcesthatareconnectedbymeansofcommunicationmeasuresintoanorganicwhole．a(chǎn)ndsuppliesuserwithanewkindofcomputingplatformb
2、asedonInternet．Gridinformationserviceisthecoreofgridsystem．Itsgoalistoconnectandintegratevariousdistributedandheterogeneoushigh-performancecomputersthroughhigh-speedInternet．TheGISprovidesuniformaccesstogriddatastorageresources．Itisalsoconvenientforuserstofinding．a(chǎn)ccessanddealwitllinformation．D
3、uetolarge·scaleofgrd，inthegridenvironment，therearelargenumberofresources，thetypesofresourcesarecomplex，resourcemanagementstrategiesofresourceownersaredifferent，someoftheresourcesmayneedtotaketheinitiativetoleavethegrdenvironmentbecauseofthemanagementorWasforcedtowithdrawfromthegrdbecauseofsomeu
4、nforeseenerrorandSO，theresourcediscoveryunderlargescalegridenvironmentalbecomesverycomplexanddifficult．Theexistinggridresourcesfoundmodelhascompletelycentralizedresourcesfindingalgorithm，highFindingefficiency，butreliability，thereisasinglepointoffailure，scalabilityisratherpoor，limitedbytheabilit
5、yofthecentralinformationnode，doesnotapplytolargescalesystems；Inthefullydistributedmethods，thedisorderandnostructureofinformationresourcesspacemakesresourcediscoveryblindness，resourcediscoverybasiconfloodingorradioislessefficient．Fortheshortcomingsofgridresourcesdiscoverymodel，thispaperisgoingto
6、elaborateabasedonhierarchicaltreestructureandoverlaynetworkofthegrdresourcediscoverymodel．Themodelwillbelogicallyfromthegridisdividedintotwolayersfromtoptobottom：fromthelowergridhasavarietyofresourcesandservicesofthegrdnodesresources；forthetopgrdnodesofinformationandreliabledistributionnetworko
7、ftreecover，inchargeofinformationnodeTheorganization,managementandresourcelocator．Themodelisbasedonlayeredapproachtolarge—scaledistributiongrdtoimprovetheenvironmentalresourcesfoundinscalability，reliabilitytothenetworkoftreecoverto
