Acknowledgements .................................................................................................................... 40
Understanding Services ............................................................................................................. 41
A SOA Maturity Model (another one??) ................................................................................. 41
A Service Taxonomy .............................................................................................................. 45
A Services Lifecycle ................................................................................................................... 55
Service Analysis ..................................................................................................................... 55
Service Development ............................................................................................................. 56
Service Testing ....................................................................................................................... 56
Service Provisioning ............................................................................................................... 56
Service Operation ................................................................................................................... 56
Service Consumption ............................................................................................................. 57
Service Change Management ................................................................................................ 57
Service Decommission ........................................................................................................... 57
SOA Scenarios........................................................................................................................... 58
Information Integration ........................................................................................................... 58
Legacy Integration .................................................................................................................. 58
Process Governance .............................................................................................................. 58
Consistent Access .................................................................................................................. 59
Resource Virtualization .......................................................................................................... 59
Process Externalization .......................................................................................................... 59
Other Scenarios ..................................................................................................................... 59
SOA and the End User .............................................................................................................. 60
What are Composite Applications? ........................................................................................ 62
What does a Composite Application look like? ...................................................................... 65
Expected Benefits of Composition, and How to Achieve Them ............................................. 67
Conclusion ................................................................................................................................. 67
SOA Case Study: Commonwealth Bank of Australia ................................................................ 69
References: ................................................................................................................................ 71
Chapter 3: Workflow and Process ................................................................................................ 72
Reader ROI ................................................................................................................................ 72
Acknowledgements .................................................................................................................... 73
Understanding Workflow ............................................................................................................ 74
What is Workflow? .................................................................................................................. 74
Workflow Terminology ............................................................................................................ 74
Why Workflow? ...................................................................................................................... 75
A Workflow Model .................................................................................................................. 76
Workflow Contracts ................................................................................................................ 77
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