物流管理专业文献翻译物联网传统数据库的死亡大学毕业设计论文Word下载.docx
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分 院 海运学院
专业物流管理
届别2012届
学号084771115
姓名
指导教师
2011年10月31日
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文献翻译一:
原文>
TheInternetofThings:
TheDeathofaTraditionalDatabase?
KeithG.Jeffery
DirectorIT&
InternationalStrategy,ScienceandTechnologyFacilitiesCouncil,RutherfordAppletonLaboratory,
HarwellScienceandInnovationCampus,Chilton,Didcot,OxfordshireOX110QXUK
Abstract
Traditionaldatabaseresearchhasdevelopedtechnologytoensurethatthedatabase—evenwhendistributed—representstheworldofinterestwithintegrityandaconsistentstate.Importantconceptshavebeendevelopedandproven.However,theinternetofthingschallengesallthis.Verylargenumbersofnodeshandlevolumesthatarevast,thespeedisfastandthedata/informationspaceisglobal—indeedwithspacedata—universal.Thisposeschallenges.Whatdoestheconceptofastatemeanwhentheinformationmapoftherealworldofinterestisrepresentedacrossmillionsofnodes,manyofwhichareupdatinginreal-time?
Whatdoesatransactionlooklikewhenthedatabeingupdatedisspreadacrosshundredsorthousandsofnodeswithdifferingupdatepolicies?
Worse,howdoesonerollbackorcompensateatransaction?
Wehavealreadyseendatabaseresearchappliedtosemi-structureddata,tostreameddata,andreal-timeapplications.Isitpossibleforthesetechniquestobeappliedtotheinternetofthings?
Theinternetofthingsopensupmoreopportunitiesforsecuritycompromises.Howdowedeveloptrustbandsecuritytechniquesacrossmultiplepolicies?
Howdowepreventtheunauthorizeduseofprivateinformationyetpermitauthorizeduse?
Weneeddynamictrust,security,andprivacymanagement.Doweneedanewtheoreticalframework?
Keywords
Database,Futureinternet,Integrity,Process,State,Transaction,Workflow.
1.Introduction
ThereismuchactivityinEuropeandtheworldonpredictingthefutureofinformationandcommunicationtechnology(ICT).ThereareroadmappingexercisesforRandDinvariousdomainstomeetthatpredictedfuture.TheEChassetupexpertgroupsand/orProjectscoveringGRIDs,CLOUDs,Service-OrientedArchitectures,quantumandbio-computing,newmaterials,human‑computerinteraction,andcognitivetechnologyamongothers.ThereismuchdiscussionofWeb2.0andbeyond.The‘InternetofThings’(http:
//en.wikipedia.org/wiki/Internet_of_Things)isastrongthemewitharecentEC(EuropeanCommission)conference(May2009)dedicatedtoit.TheformationoftheFIA(FutureInternetAssembly)underpinsthegroundswellofenthusiasmforthisidea,andIssue77ofERCIMNews[1]hasFutureInternetTechnologyasthespecialtheme,withaforewordbyVivianeReding,ECCommissionerforInformationSocietyandMedia,emphasizingtheimportance.Europeisestablishingane-InfrastructureandtheUSisestablishingitsCyberinfrastructure.
Databaseresearchers(withafewnotableexceptions)havenotbeenveryprominentinthesediscussions.Thisissurprising,asthemovementtowardtake‑upofthesenewtechnologiesbythebusinessworldpioneeredintheresearchfieldwillrequire,attheleast,interoperationwiththeexistingdatabasetechnology,andmostlikelyafurtherwholesaleevolutionaryorrevolutionarydevelopment
ofthedatabasetechnology,toadapttothenewenvironment.Databaseresearchhasmovedtoincludesemi-structureddataanditsprocessingandmanagingofdatastreams.Thereisworkonschemamatchingandmappingforinteroperation(sometimesinthecontextofDataspaces),andondomainontologies.Thereisstillongoingworkonweb-databaseinterfaces,modeling,andsystemsdevelopment.Workonperformanceorqueryoptimizationwithnewalgorithmscontinues,asdoesoptimizedstoragearchitecture—includingP2P(PeertoPeer).
Wherearetheadvancesindatabaseresearchmatching—and/orcontributingto—thehugeadvancesin(amongothers)socialnetworking,contentcreationandrepurposing,gaming,sensorsystems,robotics,autonomicsystems,visualization,userinteraction,systemsandsoftwaredevelopment,andservice-orientedarchitecture?
2.AVision
Thevisionhasitsrootsin[2]withsubsequentrefinements[3,4]leadingtoananalysisandsynthesisperformedin2008andupdatedin2009byERCIM(www.ercim.org).ItisbasedonthearchitectureproposedfortheUKe-Scienceprogram[2]andisrepresentedinFigure1.
Letusimagineapossiblestatein20years’time.TheproblemsfacingEurope—andtheworld—(fromcontinentthroughcountrytoindividualpersonscale)arelarge,complex,andrequireunprecedentedscientific,mathematical,andITskillsfortheirsolution.
Thereisafast,reliable,inexpensivee-infrastructureprovidingallcommunicationservices.Personsareconnectedtothee-infrastructureviapersonalcomputerdevicesthatarecontinuouslyonline.Th