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ID:236331
大小:178.75 KB
页数:15页
时间:2017-07-11
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1、外文文献:Service-orientedarchitecturesforenterpriseintegrationWiththebroadacceptanceandpopularityofXMLandWebservicesasaEAIasastrategicremodelingofbusinessinfrastructureplatform,andstructure,it'shardtosayhowtheserespectivetrendsaffectedeachotherastheyemerged.XMLOnecouldarguethattheEAIinitiativewasre
2、juvenatedwiththeinfusionofenabledtechnologiesandservice-orientedarchitectures,astheintroductionofthesecomplementaryplatformsresultedinanoverhaulofEAIarchitectures.Asaresult,thequalityandsophisticationofEAIproductshasneverbeenbetter.Ontheotherhand,themomentumbehindtheEAItrendcouldverywellhavebee
3、naandespeciallytoWebservices.TheincreasmajorcontributortothepopularityofXML,andespeciallytoWebservices.Theincreasingneedtoreducethecostsofintegratingdisparateenvironmentsledtotheubiquitousrequirementforastandarddatasharingplatform,independentoftiestovendorsandprovidedastandarddatatransportwhich
4、empoweredWebexistingtechnologies.XMLserviceswiththeabilitytoeffectivelyabstractproprietaryplatformsinsupportofutilizingthistransportstandardtocommunicateoverpreviouslynon-standardboundaries.andreally,it'snotofmuchconsequenceanymore.XMLPerhapsbothclaimsaretrue,andWebserviceshavebecomekeyenabling
5、technologieswithintheworldofEAI,andEAIproductsarebeingbuiltfromthegroundupinsupportoftheXMLandWebservicestechnologyplatforms.1.ServicemodelsforenterpriseintegrationarchitecturesTheprocess-orientednatureofEAIsolutionshasdriventherequirementforservicemodelsthatcanexecuteandmanagevariousaspectsofe
6、nterprisebusiness.EAImiddlewareistypicallyinvolvedwiththecreationandhostingoftheseservices;however,itisnotuncommonforcustom-developedintegrationsolutionstoprovidethesetypesofservicesindependently.Eitherway,anunderstandingoftheirrolesandunderlyingtechnologiesisvitalwhendesigninganenterpriseinteg
7、rationarchitecture.ThefollowingXWIFservicemodelsaredistinctiveofsenrice-orientedEAIenvironments.Whencoordinatingthemessageexchangepatterninvolvedintheexecutionofabusi-ness-15-task,itisoftennecessarytoencapsulatetheinteractionbetwe
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