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Burton Group Take 5! Debunking ESBs Peter Lacey, Senior Consultant November 10, 2006

Burton Group Take 5! Debunking ESBs Peter Lacey, Senior Consultant November 10, 2006. Burton Group Take 5: Debunking ESBs. Quiz: What is an enterprise service bus? Whatever an ESB vendor wants it to be Mostly marketing Largely hype Useful, but non-essential part of your SOA infrastructure

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Burton Group Take 5! Debunking ESBs Peter Lacey, Senior Consultant November 10, 2006

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  1. Burton Group Take 5!Debunking ESBsPeter Lacey, Senior ConsultantNovember 10, 2006

  2. Burton Group Take 5: Debunking ESBs • Quiz: What is an enterprise service bus? • Whatever an ESB vendor wants it to be • Mostly marketing • Largely hype • Useful, but non-essential part of your SOA infrastructure • All of the above • Answer: • E. All of the above

  3. Burton Group Take 5: Debunking ESBs • Definition: Integration middleware (the latest incarnation of EAI) • Service platform • Simple and composite services • Legacy integration via application and protocol adapters • Supports XML messaging over multiple protocols • SOAP, HTTP, MOM, sometimes others • Request/response, queued, pub/sub; synch/asynch; reliable messaging • Mediation services • Message routing, filtering, and transformation • Protocol brokering • May be deployed in a distributed fashion – not hub and spoke • May offer many advanced features and SOA-awareness

  4. Burton Group Take 5: Debunking ESBs • ESB Products Come in Three Flavors • SOAP-enabled, proprietary MOM-based, heavyweight integration brokers • TIBCO BusinessWorks, IBM WebSphere Message Broker • Native-SOAP, proprietary MOM-based, lightweight integration brokers • Sonic ESB, Fiorano ESB • Native SOAP, MOM-capable, integration suites • BEA AquaLogic, IBM WebSphere ESB, Oracle ESB • Cape Clear ESB, Iona Artix • Open Source Mule, Apache Service Mix, Celtix

  5. Burton Group Take 5: Debunking ESBs • Vendor Hype • An ESB is the single most important component of your SOA infrastructure – you must pick one for your SOA infrastructure • All messages must flow through the ESB to get the benefits of SOA • Debunking the Hype • ESBs are optional components of your SOA infrastructure • A periphery component, not a central component – useful for legacy integration • Most organizations will have multiple ESBs • All messages should be mediated, but an ESB makes a poor intermediary

  6. Burton Group Take 5: Debunking ESBs • Reality • Better mediation systems: • XML gateway appliances (some offer legacy integration too) • SOA management systems • The legacy integration capabilities of ESBs are not comprehensive • Proprietary MOM-based ESBs are, well, proprietary • Advanced messaging will soon be part of the SOA fabric • Reliability, events, asynchronicity, etc.

  7. Burton Group Take 5: Debunking ESBs • Should you invest in an ESB? • ESBs are ideal for service-enabling legacy applications • But XML gateways are catching up • Deploy ESBs at the edges to encapsulate legacy systems • If advanced messaging is absolutely required today • Should you make an ESB central to your SOA infrastructure? • No. ESBs are about integration. Integration is about bridging application silos. SOA is about breaking them down • SOA, by definition, requires a platform-independent mindset. Too much reliance on a single vendor solution will hurt your SOA initiative.

  8. Burton Group References • Enterprise Service Bus: EAI in Transition • Web Service Management: Townsman of a Stiller Town • Web Services Security: A Plethora of Products • Service Oriented Architecture Infrastructure, Technical Position

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