資源描述：
《關(guān)于多qos需求驅(qū)動的網(wǎng)格資源調(diào)度的研究》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、廣東工業(yè)大學(xué)碩士學(xué)位論文AbstractGridisakindoftechnologyandmanagementmethodthatcancombinethebillionsofcomputingresources，storageresources，dataresources，informationresourcesandknowledgeresourcesonthenetworktoformavirtuallogicaltrait，andtransformtheresourcesintosomeanavailable，reliable，economical
2、computingpower．Resourceschedulingisespeciallyimportantintheresearchofgridtechnology．ItCanensurethe鰣dusers’taskstobeallocatedtothecorresponding舒dresourcesaccordingtothecomputingcapabilityandresourcestatusofgridnodes．Atthesametime，thegridusers’QoS(QualityofService)requirementsaresati
3、sfied．TheresourceschedulingproblemisaNPcompleteproblem．studiesshowthatsuchproblemisoftendifficulttogaintheoptimalsolution，orevensimplyitdoesn’texist．Thepaperintroducedthesatisfactionfunctiontosearchthesatisfactorysolutionunderthegridusers’multi-QoSrequirements，andclassifiedthenumer
4、ousQoS(QualityofService)parametersintotwotypes：performanceQoSandtrustQoS．theformerincludedpriority,timelinessandprecision，andthelatterincludedsecurityandreliability．Atthesametime，theservicelevelwasdividedintothree：hard，softandtry．Firstly,thepapercharacterizedandquantifiedeachdimens
5、ionofQoSconstraintindexes；ThenitconstructedfiveQoSsatisfactionfunctionmodelsandformulatedtheoverallsatisfactionfunctionmodel；Atlast，basedonthegridusers’satisfactionrequirementsandthegridresources’satisfactionguarantee，thepaperputforwardtheimprovedQ—Min-MinalgorithmcombinedwithMin—M
6、inalgorithm，andreplacedtheETC(ExpectedTimetoCompute)matrixintheclassicMin·MinalgorithmwiththeQSM(QoSSatisfiedMatrix)tosolvethesoleconsiderationofmakespan．Sotheproblemofresourceschedulingbasedonmulti·QoSrequirementsWasresearched．ThesimulationexperimentshowsthatQ·-Min-·Minalgorithmha
7、stheadvantageoverMin—Minalgorithminthetwoperformanceindexes：makespanandcost．Itmeansthatthegridresourceschedulingalgorithmbasedonmulti-QoSrequirementsinthispaperisreasonableandfeasible．Itcannotonlysavetheexecutiontimeandcostofresourcescheduling，butalsosatisfythegridusers’multi·QoSre
8、quirements．Sothepaperachie
