協(xié)同標(biāo)注系統(tǒng)中可擴(kuò)展動態(tài)容錯機(jī)制研究.pdf

1、華中科技大學(xué)碩士學(xué)位論文協(xié)同標(biāo)注系統(tǒng)中可擴(kuò)展動態(tài)容錯機(jī)制研究姓名：王玎申請學(xué)位級別：碩士專業(yè)：計(jì)算機(jī)系統(tǒng)結(jié)構(gòu)指導(dǎo)教師：金海20060430華中科技大學(xué)碩士學(xué)位論文華中科技大學(xué)碩士學(xué)位論文IIAbstractFthewkingacteristicsofinfmationsocietysuchasinteroperabilitydistributingcollabationcomputersupptedcooperativewkbecome

2、smemeimptantcooperativeplottingsystemisitsapplicationinplottingfield.Accdingtotherequirementofhighavailabilityrealtimehighperfmanceincooperativesystemanextensibledynamicfaulttolerancemechanism(xDFT)isproposedinthepaper.T

3、hemechanismcombinesfaulttolerancesupptingarchitecturefaulttolerancemethod:Firstlyanextensibledynamicfaulttolerancesupptingarchitectureisdefinedthenafaulttolerancealgithmbasedonthefaulttolerancesupptingarchitectureispropo

4、sed.xDFTmechanismdynamicallycansetloadqualityofservernodewithvariabilityofsystemloadtochangeserverredundancy.Servicenodesfaulttolerancenodesareallowedtoscaledynamicallyaccdingtothecurrentsettingstatusofsystem.Itnotonlyim

5、provestheserviceefficiencybutalsoimplementsloadbalancinginameefficientsimplyway.TheCooperativeGeographicInfmationplottingSystem(CoGIS)developedbyClusterGridComputingLab(CGCL)ofHuazhongUniversityofScienceTechnology(HUST)a

6、doptsxDFTmechanism.CoGISnotonlyavoidsthepossibilitythattheserverbecomesbottlenecktheproblemofsinglepointfailurebutalsosavesthesystemresourceavoidsthewasteoftheresourceofredundantnodesprovidescomputersupptedcooperativewke

7、nvironmentareliablehighperfmanceservice.FinallythetestingresultsshowstheextensibledynamicfaulttolerancemechanismxDFTwhichmakesusersacquirecontinuous“nonstop”servicecanpromotereliabilityperfmancefcooperativesystemhasgoodp