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1、ISSN1000-9825,CODENRUXUEWE-mail:jos@iscas.ac.cnJournalofSoftware,Vol.17,No.11,November2006,pp.2264?2276http://www.jos.org.cnDOI:10.1360/jos172264Tel/Fax:+86-10-62562563?2006byJournalofSoftware.Allrightsreserved.?基于QoS的網(wǎng)格資源管理+伍之昂,羅軍舟,宋愛波(東南大學(xué)計算機科學(xué)與工程學(xué)院,江蘇南京210096
2、)QoS-BasedGridResourceManagement+WUZhi-Ang,LUOJun-Zhou,SONGAi-Bo(SchoolofComputerScienceandEngineering,SoutheastUniversity,Nanjing210096,China)+Correspondingauthor:Phn:+86-25-83795595,E-mail:zawu@seu.edu.cn,http://cse.seu.edu.cn/labs/edulab/labsite/WuZA,LuoJZ,So
3、ngAB.QoS-Basedgridresourcemanagement.JournalofSoftware,2006,17(11):2264?2276.http://www.jos.org.cn/1000-9825/17/2264.htmAbstract:AsresourcemanagementbecomesahotresearchinGridComputingarea,currentresearchforcesonsolvingheterogeneityofgridenvironment,buttheresearc
4、honenhancingtheefficiencyofresourcemanagementonconditionofdeliveringseamlessQoS(qualityofservice)isnotveryabundant.Inaddition,currentresearchaboutGridQoSforcesonimportingrelatedfruitonQoSfrommultimedianetworktosupportGridQoS.Forthat,ahierarchicalstructureofgirdQ
5、oSisproposedinthispaper.QoSparametersarenewlyclassifiedintofivecategoriesandtheycanbemeasuredatVO(virtualorganization)layer.ThenbymakinguseofSNAP(servicenegotiationandacquisitionprotocol),theanalysisonQoSparametermappingandconvertingbasedonthehierarchicalstructu
6、remodelisalsoaddressed.Atlast,theresearchonGridQoSisappliedtoschedulingheuristicstoimproveonMin-Minalgorithm.TheresultofthesimulationshowsthatQoS-basedresourcemanagementcaneffectivelyimprovegridresourceutilizationandserviceaskforsuccessrateindynamicservice-orien
7、tedgrid.Keywords:grid;virtualorganization;QoS(qualityofservice);resourcemanagement;gridservice;SLA(servicelevelagreement)摘要:資源管理是網(wǎng)格計算研究領(lǐng)域中的一項重要研究點,目前的研究工作大多致力于解決異構(gòu)性問題,對于在交付無縫QoS(qualityofservice)前提下提高資源分配性能方面還缺乏深入的研究.而且,目前對網(wǎng)格QoS的研究集中于將多媒體網(wǎng)絡(luò)QoS的相關(guān)成果融入網(wǎng)格體系架構(gòu)中以提供對網(wǎng)
8、格QoS的支持,而缺少對網(wǎng)格QoS的特性進行系統(tǒng)化的研究與歸納.為此,提出了網(wǎng)格QoS的層次結(jié)構(gòu)模型,并對其中承上啟下的虛擬組織層QoS參數(shù)進行了新的分類和測量;然后,利用SNAP(servicenegotiationandacquisitionprotocol)協(xié)議對基于網(wǎng)格QoS層次結(jié)構(gòu)模型的網(wǎng)格QoS參數(shù)的映射轉(zhuǎn)換過程進行了
