web服務(wù)中的qos模型研究

1、南京郵電大學(xué)碩士學(xué)位論文Web服務(wù)中的QoS模型研究姓名：陳祥云申請學(xué)位級別：碩士專業(yè)：計(jì)算機(jī)應(yīng)用指導(dǎo)教師：楊庚201103南京郵電大學(xué)碩士研究生學(xué)位論文AbstractIIAbstractWebserviceisanewemergingIntertechnologywhichsupptscrossplatfmapplicationcrosslanguagedevelopmentserviceientedapplicationinteg

2、ration.AtpresentWebserviceshasalreadybecomeadominantframewkdesignfdistributedapplicationsingovernmentfinancetelecommunicationssecuritieseducationserviceindustryotherfields.AsawiderangeofapplicationsbasedonWebservicetechn

3、ologyisadoptedtherearealargenumberofWebServiceswiththesamesimilarfunctionappeared.DuetothelackofQoS(QualityofService)supptfcurrentWebServicestardstechnologieshowtothemostproperserviceswithabetterqualityservicelevelfromth

4、ecidateshasbecomeanurgentissue.BuildingaWebservicesQoSmodelistousemathematicalmodelingmethodtodescribeevaluateQoSlevelfWebserviceanalyzeservicerequestinfmationmakepredictiononthequalityofunusedservicesbasedonhisticalQoSd

5、atathusprovidingqualityofservicesupptfsearchingscreeningservicesinWebservicewk.BasedontheexistingWebservicesystemstructureindertoovercometheinsufficiencyindataprocessingftraditionalQoSmodelweproposeatrustWebserviceQoSeva

6、luationmodelwhichcombinesboththesubjectiveobjectiveinfluenceQoSfactstomakeacomprehensiverobustQoSevaluation.Themainwksofthispaperaredescribedasfollows.1.QoSrelatedtechnologytheanalysisabouttherestrictionfactofpopularityf

7、WebserviceisextensivelyintroducedfullexpressionofWebservicesQoSfactsismadequalityofserviceevaluationmodeladaptfWebserviceisclassifiedstudied.2.BasedonthesupptofagentbasedWebserviceframewkafurtherimprovementismadeonWebser

8、vicesystemstructureaflexibleefficientQoSinfmationcollectionmechanismisproposedthenewstructurecanupdatetheinitialpublishedQoSdatadynamicallyaccdingtothefeedbacksfromserviceconsumer3.AniginalQoSmodelcombiningbothsubjective

9、objectiveQoSfactsismadetorealizesupptQoSinWebservicewkwithoutmakinganychangesonexistingstardsimplementationtechnology.TheflexibleextensibleWebserviceQoSevaluationalgithmhasgoodsafetyhighefficiencyeffectivelyscreenbaleful