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ID:36346594
大小:3.74 MB
页数:114页
时间:2019-05-09
《Web服务组合关键技术研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、东南大学博士学位论文Web服务组合关键技术研究姓名:冯名正申请学位级别:博士专业:计算机应用技术指导教师:顾冠群20060301东南人学博士学位论文关键词:Web服务,Web服务组合,服务质量,运筹学,语义学一Ⅱ一Abs仃actWiththemushroomofthenetworktechnologyanditsapplication,user’srequirementswereen—hancod.Thus,variousserviceswhichWereabletosarisfya11requirementseffectivelywer
2、eexpected.ThecenterofgravityfortheNetworkresearchhasbeenextendedtotheappficationlayerinNetwork.Thenextgenerationnetworkinthefuturewouldbeauser-oriantod.QoS.aSsurednetworkwhichfocusesonservice.Itwouldprovidealotofvariousservicesandhastheabilitytocustomizeandmanagetheseserv
3、ices.Inordertoenhancecompetitivepreponderanceandadaptability,enterprisesshouldenhancetheiragilityandflexibilityinresponsetocustomer'sandmarket’sneeds,Thebusinesssoftwaresystemshouldhavetheabilitytocomposecongruousandavailablenewser-vices,basedonthenewrequirements证tbeBeWIu
4、teraeteuvixoiAmenl,utilizingthoselegacyres04Yce$,Thishasbecomeachallengingproblemneedingtoberesolvedimminently.Theproblemistheresultofdemand.driven.WebServicesCompositiontwsc)whichisgrowingrapidlycouldbeallexcellentapproachtoachieveallthesegoals.ItsupportsbusinessagiHty,f
5、lexibihty,andavailability—themainfeaturesinE-Businesssoftware.Inthenewservice—orientedapplicationenvironment,undertheboostofrequirements—driven,WSCwithQoS—assuredhasminedintoaprimaryresearchfieldinWebServices.Inthepastfewyears,manyissueshavebeenaddressed.I【leachnodeofWSCp
6、lan(process/flow);thereexistlotsofWebServiceswiththesamefunction.HowtoselectarightoneexactlyinQoSview?RelatedresearchhadsomedisadvantagesinthisproblemnamedServiceSelection.Ontheotherhands,withthegl【obalWebServicesmarket,thereexistanumberofWSCplanssarisfyingfunctionsrequir
7、e-ments.ThoseplansprovidedifferentQoS.HowtovaluateoroptimizetheminQoSview?Heretofore,therehavenotsomeworksonplanvaluation/optimization.WeaknessintheretwoaspectshamperthewidedeploymentofWSC.Howtoresolvetheseissuesideallyisallopenproblem.Firstofall,thispaperdefinesthebasicn
8、otion,summarizestheinitialresearchandtheactualityinrelateddomains.Secondly,acommonabstractframew
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