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Oracle Service Bus vs. Oracle Enterprise Service Bus vs. BPEL
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Oracle Service Bus vs. Oracle Enterprise Service Bus vs. BPEL

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  • Solid circles: new components from the BEA acquisition Dotted circles: significant enhancements resulting from the BEA acquisition
  • Upgrade = fully automated Migration = mostly manual

Oracle Service Bus vs. Oracle Enterprise Service Bus vs. BPEL Presentation Transcript

  • 1. Oracle Service Bus vs. Oracle Enterprise Service Bus vs. BPEL – wann soll welche Komponente eingesetzt werden? Guido Schmutz, Technology Manager / Partner
  • 2. Introduction
    • Guido Schmutz
      • Working for Trivadis for more than 12 years
      • Co-Author of different books
      • Consultant, Trainer Software Architect for Java, Oracle, SOA and EDA
      • Member of Trivadis Architecture Board
      • Trivadis Technology Manager
      • More than 20 years of software development experience
      • Contact: guido.schmutz@trivadis.com
  • 3. Agenda
    • Introduction
    • Oracle SOA Suite
    • ESB and BPEL in the Architecture
    • ESB and BPEL Usage Scenarios
    • Summary
    Data are always part of the game.
  • 4. Basic idea of SOA: Services instead of Applications
  • 5. Service Classification
    • Basic services / Elementary Services
      • Foundation of the SOA
      • Represent basic functionality of a domain
      • Data centric or logic centric
    • Composed Services / Composite services
      • Technology gateways, façades and functionality-adding services
      • Acts as client and server
    • Process (centric) services
      • Encapsulates the organisation's business processes
      • SOA client and server
      • Maintain process state
    • Public enterprise services
      • Interface for cross-enterprise integration
    Basic service Composed service Process service Public enterprise service
  • 6. SOA Classification – Stage of Expansion
    • Process enabled SOA
      • = basic + composition + process + enterprise layer
    Basic layer Composition layer Enterprise layer Process layer Booking process Customer Train Hotel Billing Travel web site BookAndBill Billing app Booking
  • 7. What is BPEL? What is an ESB?
    • BPEL is an official WS-* Standard
    • Designed for the implementation of (business) process services in a declarative way
      • Graphically
      • XML syntax behind
    • Programming in the large vs. programming in the small
    • Enterprise Service Bus is not a Standard!
    • What to look for in an Enterprise Service Bus?
      • Connectivity
      • Agility
      • Visibility, Change & Control
      • Service Virtualization
  • 8. Integration Patterns (also applicable for SOA)
    • Message Router
    • Message Filter
    • Message Translator
    • Message Resequencer
    • Canonical Data Model
    • Content Enricher
  • 9. Agenda
    • Introduction
    • Oracle SOA Suite
    • ESB and BPEL in the Architecture
    • ESB and BPEL Usage Scenarios
    • Summary
    Data are always part of the game.
  • 10. History of Oracle SOA platform Oracle Service Bus Oracle ESB Oracle BPEL Source: Oracle
  • 11. Oracle SOA Suite Components
    • BPEL Process Manager ( BPEL )
      • BPEL Process Manager is the primary composition, orchestration and process engine in the SOA Suite
    • Oracle Enterprise Service Bus ( OESB ) – “old ESB”
      • Oracles primary service bus prior to BEA acquisition
      • After acquisition of BEA its role is to provide mediation services between SOA Suite components
      • In 11g this will be known as the Mediator and acts as a component in an SCA assembly
      • OESB is the only ESB available if running on a non-Weblogic server
    • Oracle Service Bus ( OSB ) – used to be ALSB
      • Oracle’s primary service bus
      • the preferred platform for service virtualization and interactions external to the SOA Suite
      • Currently OSB is only available on WebLogic server but the intention is provide it on other platforms as well in the future
      • OSB is the foundation of service bus functionality moving forward
  • 12. Coherence Cache J2EE Application Server (Oracle AS, WebLogic, WebSphere, JBoss) Messaging Fusion Middleware – Oracle SOA Suite 10.1.3.4 JRockit VM & RT Source: Oracle Apps Adapters B2B Partners DB Legacy CONNECTIVITY Routing Transform Data Quality ETL & Replication Data Integrator OSB and OESB SOA Agility ROUTING & DATA SERVICES Native BPEL Business Rules Human Workflow BPEL Process Manager ORCHESTRATION GOVERNANCE System Monitoring Enterprise Manager UDDI WS Policies Security Web Services Manager Registry GOVERNANCE SOA lifecycle governance Enterprise Repository REAL-TIME VISIBILITY & PROCESSING Alerts Business Monitoring BAM Events Data Streams CEP Application Development Framework Enterprise Modeling BPA Suite JDeveloper Business User Modeling BPM Suite
  • 13. Feature Mapping BPEL OSB OESB XSLT Transformation Message Orchestration Human Workflow Process State/ Long running Message Filter Adapter (JCA) Decision Service Process Orchestration XQuery Transformation Value Mapping Cross-Reference Tables (XREFs) Split-Join XA Support JDeveloper Eclipse/Web Console SLA Dashboard Resubmit Message Ordering Message Throttling Service Pooling (Load Balancing) Instance Monitoring Security Message Validation Reliable Messaging Asynchronous Messaging Service Types and Transport Compensation Parallel Processing Graphical Flow Sensors
  • 14. Service Classification and the Oracle SOA Suite OSB OESB BPEL BPMN OSB OWSM Basic service Composed service Process service Public enterprise service
  • 15. Oracle SOA Suite 11g (from July 1 st 2009!)
    • Objectives:
    • Provide all Oracle and BEA customers with a seamless upgrade path
    • Use Oracle Service Bus as the vehicle to deliver new ESB features
    • Use OESB in hot-pluggable environments, for mediation and internal apps AIA use cases
    Oracle Service Bus 11g 10gR3 11g rev rev
    • SCA platform
    • Enterprise Manager integration
    • BAM sensors
    • End-to-end security
    • JDeveloper tooling
    • Integrated SOA Governance
    • J2EE portability
    today Fall 2008 FY 2009 Repository AquaLogic Service Bus 3.0 Oracle Service Bus 3.1 BPEL Rules Human Workflow Oracle ESB rev Service Infrastructure Service/Event Delivery API Policy Manager BPEL Human Workflow Business Rules Mediator
  • 16. Oracle SOA Suite 11g – Mediator in SCA Composite
    • Source: Taken from SOA Suite 11g Preview 4 of June 2008
    Mediator
  • 17. Agenda
    • Introduction
    • Oracle SOA Suite
    • ESB and BPEL in the Architecture
    • ESB and BPEL Usage Scenarios
    • Summary
    Data are always part of the game.
  • 18. SOA Architecture Mediator (OESB) OSB Oracle Data Integrator (ODI) OSB
  • 19. Federated Service Bus Infrastructure
    • Application level
      • multiple application buses per domain, one for each application
    • Domain level
      • multiple domain buses, one for each domain
    • Corporate (enterprise) level
      • one corporate bus for the enterprise
    • External level
      • one external gateway for the enterprise
    Source: http://soa-eda.blogspot.com/2009/03/federared-service-bus-infrastructure.html Mediator (OESB) Mediator (OESB) OSB OSB
  • 20. Multiple SOA Domains linked by Enterprise-level ESB
  • 21. Agenda
    • Introduction
    • Oracle SOA Suite
    • ESB and BPEL in the Architecture
    • ESB and BPEL Usage Scenarios
    • Summary
    Data are always part of the game.
  • 22. Trivadis Integration Architecture Blueprint
  • 23. Trivadis Integration Architecture Blueprint
  • 24. Canonical Datamodel in Mediation Layer Mediator (OESB) or OSB
  • 25. Canonical Datamodel in the Process Layer Mediator (OESB) or OSB Mediator (OESB) or OSB BPEL Process Manager
  • 26. Basic Services on the ESB
    • Both OESB and OSB are suitable for implementing Basic Services on the bus
      • Especially suited to wrap existing logic if there is an appropriate adapter available
      • OSB supports REST-style services as well
  • 27. Process Services with BPEL
    • BPEL is the execution language to declaratively implement and automate business processes
      • Human interaction is supported for workflow-style processes
      • Use canonical data model pattern and translate in ESB
  • 28. Composite Services in BPEL
    • BPEL can be used to implement composite services in a declarative way
      • canonical pattern is optional and usage depends on the composite service
  • 29. Asynchronous Messaging on the ESB
    • ESB can wrap/hide (legacy) asynchronous queue-based behavior in the backend by a Web Service interface
  • 30. Routing, Enrichment and Message Translation on the ESB
  • 31. Process service triggers traditional population
  • 32. ESB and BPEL in the Oracle Application Integration Architecture (AIA)
    • Oracle AIA is using the same principles and combines ESB and optionally BPEL in a similar way
  • 33. Service-Oriented Integration
  • 34. Agenda
    • Introduction
    • Oracle SOA Suite
    • ESB and BPEL Usage Scenarios
    • ESB and BPEL in the Architecture
    • Summary
    Data are always part of the game.
  • 35. Summary
    • It’s important to know the place of BPEL and ESB (OESB or OSB) in an SOA(rchitecture)
      • Basic Services => OESB or OSB
      • Composite Services => BPEL or in simple cases OESB/OSB
      • Process Services => BPEL and BPMN (in 2010)
    • Both OESB and OSB can be used today to implement ESB services
    • The OESB will be “downgraded” to the Mediator Service Engine in an SCA composite in SOA Suite 11g
      • => “little bus”
    • The OSB is Oracle’s primary ESB
      • Also suited for stand-alone usage, without the Oracle SOA Suite
      • => “large bus”
  • 36. Thank you! ? www.trivadis.com
  • 37. OSB: Advanced Service Pooling and Throttling
    • Routing to active endpoints, service load balancing
    • Option for the system to automatically take non-responsive URIs out of the pool, and put them back in as they become responsive
    • Alerts will be generated when the status of the endpoint changes from Up  Down and vice versa
    Service Clients Endpoint URL 1 Endpoint URL 3 Endpoint URL 2 Proxy Svc Client 1 OSB Cluster Bus Svc If a URI is non-responsive, take the URI out of the pool Bring the URI back in the pool when it is back-up
  • 38. OSB: Split-Join
    • Incoming payload is split into multiple service invocations
    • Multiple service responses are aggregated into single payload
    • Parallel action results into significant performance improvement
    Split ForEach ProcessOrder AquaLogic Service Bus Join ProcessOrder 15 Order 1 Order 2 Order 3 SPLIT Response 1 Response 2 Response 3 JOIN Request Payload Response Payload
  • 39. Oracle SOA Suite 11g