Message Broker in ESB SOA Solutions

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1、®SessionNumber:S83SessionNumber:S83MessageBrokerinESB/SOASolutionsJonathanWoodfordMessageBrokerDevelopmentjonathanw@uk.ibm.comGSEConference–May2007©2006IBMCorporationAbstractS83.MessageBrokerinESB/SOASolutionsWebSphereMessageBrokerhasanextensivesetofESBp

2、rocessingcapabilities.Thissessiontakesalookatthesecapabilitiesindetail,thenconcludeswithanumberofcommonusagepatternsandexamples.2GSEConference–May2007Agenda°ServiceOrientedArchitecturesVWhatisaserviceandwhydoIneedSOA?°EnterpriseServiceBusVWhatisitandwhat

3、doesitmeanforSOA?VFunctionsofanESB•Protocols,Route,Transform,EventingVWhatisanAdvancedESB?°UnderstandingroleofWebSphereMessageBrokerasanESB°WMBandESBPatterns°RealWorldExample3GSEConference–May2007ServiceOrientedArchitectures4GSEConference–May2007WhatisaS

4、ervice?(Ideally)aself-contained,statelessbusinessfunctionthatacceptsoneormorerequestsandreturnsoneormoreresponsesthroughawell-defined,standardinterface.Servicesperformdiscreteunitsofworksuchaseditingandprocessingatransaction.Servicesshouldnotdependonthes

5、tateofotherfunctionsorprocesses.Thetechnologyusedtoprovideaservice,suchasaprogramminglanguage,doesnotformpartofitsdefinition.5GSEConference–May2007ServicesandApplications°Applicationsimplementmostoftoday’sServicesVThere’snothingwrongwiththis!°Howareservi

6、cesandapplicationsrelated?VApplicationcanimplementtheServiceexactlyVServicecanbeimplementedwithinpartofanApplication–IncludingmultipleservicesVCombinationofApplicationscanimplementtheserviceKEY:ApplicationService6GSEConference–May2007IdentifyingServices°

7、TechnologyrealityV“WhereIamrightnow”V“BottomUp”approachVExample:CICStransactions,MQapplications,Files,JSP,EJB…°BusinessdrivenV“TopDown”V“WhereI’dliketobeinthefuture”VExample:PurchaseBookservice•Explicitlyuserandbusinessfocused°MixedBusinessandTechnologyV

8、“MiddleOut”VEmphasisoncooperativeandevolutionaryapproachVExample:Changenameandaddressservice7GSEConference–May2007WhatisaSOA?°AsoftwarearchitecturewhichV…definestheuseofservicestosupporttherequirementsofsoftwareusers.Resou