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1、ResourceAllocationforPeriodicApplicationsinaShipboardEnvironment††††§VladimirShestak,EdwinK.P.Chong,AnthonyA.Maciejewski,H.J.Siegel,‡‡‡LotfiBenmohamed,I-JengWang,andRoseDaleyColoradoStateUniversity†DepartmentofElectrical&ComputerEngineering§DepartmentofComputerScienceFortColl
2、ins,CO80523-1373{shestak,echong,aam,hj}@engr.colostate.eduTheJohnsHopkinsUniversity‡AppliedPhysicsLaboratory11100JohnsHopkinsRoadLaurel,MD20723-6099{lotfi.benmohamed,i-jeng.wang,rose.daley}@jhuapl.eduAbstract(ARMS)programsupportedbyDARPAincludesdesigninganefficientresourceall
3、ocationcapabilityforProvidingefficientworkloadmanagementisanaTotalShipComputingEnvironment(TSCE).Oneimportantissueforalarge-scaleheterogeneousobjectiveofthisresearchprogram,whichisadistributedcomputingenvironmentwhereasetofcollaborativeeffortofmanytechnologydevelopers,isperio
4、dicapplicationsisexecuted.Theconsideredtoinvestigatetheproblemofrobustresourceallocationdistributedsystemisexpectedtooperateinaninthisclassofheterogeneouscomputingsystems.Inenvironmentwheretheinputworkloadislikelytothispaper,weconsiderasubsetoftheactualTSCEandchangeunpredicta
5、bly,possiblyinvalidatingaresourceapplicationmodelbeingexaminedinARMS.allocationthatwasbasedontheinitialworkloadTheTSCEconsistsofasetofheterogeneousestimate.Thetasksconsistofmultipleapplicationmachines,heterogeneousnetworklinks,continuouslystrings,eachmadeupofanorderedsequence
6、ofrunningperiodicapplications,andanumberofqualityapplications.Therearequalityofservice(QoS)ofservice(QoS)constraintsthatmustbesatisfiedconstraintsthatmustbesatisfiedforeachstring.Thisduringtheoperationofthesystem.Generally,theworkaddressestheproblemoffindingarobustinitialTSCE
7、systemoperatesinanenvironmentthatallocationofresourcestoapplicationstringsthatisundergoesunpredictablechanges,e.g.,inthesystemabletoabsorbsomelevelofunknowninputworkloadinputworkload,whichmaycauseQoSviolations.increasewithoutrescheduling.AnallocationfeasibilityTherefore,event
8、houghagoodinitialallocationofanalysisispresentedfollowedbyfourheuris
