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ID:52470986
大小:260.26 KB
页数:7页
时间:2020-03-27
《Ensuring Web Service Quality for ServiceOriented面向服务地Web服务质量保证 体系结构.pdf》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、OracleWhitePaper—EnsuringWebServiceQualityforService-OrientedArchitecturesAnOracleWhitePaperFebruary2010EnsuringWebServiceQualityforService-OrientedArchitectures1OracleWhitePaper—EnsuringWebServiceQualityforService-OrientedArchitecturesIntroductionWebservicesholdthepromiseofintegratingso
2、ftwareapplicationsfromheterogeneousnetworksandexchanginginformationinasimple,standardizedmanner.Currenttrendsshowthatthevastmajorityofcompaniesaremovingtoservices-orientedarchitectures(SOAs)anddeployingWebserviceswithinandacrosstheirITinfrastructure.However,thesuccessofthosedeploymentsis
3、determinednotonlybytheintegrationsandinnovationsthatWebservicesmakepossible,butalsobyhowWebservicesaffectthequalityandperformanceofthemission-criticalapplicationswithwhichtheyinterface.Assuch,itiscrucialtothoroughlytestWebservicesbeforetheyaredeployedinordertoensureservicelevelcompliance
4、inproduction.ThiswhitepaperdiscussesthetestingchallengespresentedbyWebservices,andintroducesbestpracticestoensureSOAapplicationqualitythroughtheuseofOracle’sintegratedWebservicetestingsolution,OracleApplicationTestingSuite.2OracleWhitePaper—EnsuringWebServiceQualityforService-OrientedArc
5、hitecturesImportanceofWebServicesTestingThegreatadvantageofWebservicesisthattheyempowerdifferenttypesofentitiestocommunicatewithoneanotherthroughplatform-independentprotocolssuchasSOAP,XML,andHTTP.However,thetradeoffforthisflexibilityisthatthisopen,non-nativetrafficbringswithitadditional
6、overhead.Take,forexample,anenterprisethatwantstouseaWebservicetointegrateaJ2EEapplicationwithavarietyofclienttypesorotherapplications.Figure1showshowaWebservicecouldbeimplementedtomeetthisbusinessrequirement.Figure1:UsingWebservicestogiveaccesstoinformationcontainedwithintheEJBInthissitu
7、ation,manydifferenttypesofclientscannowaccesstheinformationcontainedwithintheEJBsbygoingthroughtheWebservicelayer.Butthisintroducesapotentialissue:anewlayerofcommunicationhasbeenaddedwithitsownoverheadandpotentialforfailureintoanapplicationwhosequalityandperformancewasfor
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