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Event-Driven Architecture: How SOA Enables the Real-Time Enterprise / Hugh Taylor, Angela Yochem, Les Phillips, Frank Martinez | |
Publisher: Addison-Wesley Professional | |
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Improving Business Agility with EDA
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Going beyond SOA, enterprises can gain even greater agility by implementing event-driven architectures (EDAs) that automatically detect and react to significant business events. However, EDA planning and deployment is complex, and even experienced SOA architects and developers need expert guidance. In Event-Driven Architecture, four leading IT innovators present both the theory of EDA and practical, step-by-step guidance to implementing it successfully.
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The authors first establish a thorough and workable definition of EDA and explore how EDA can help solve many of today’s most difficult business and IT challenges. You’ll learn how EDAs work, what they can do today, and what they might be able to do as they mature. You’ll learn how to determine whether an EDA approach makes sense in your environment and how to overcome the difficult interoperability and integration issues associated with successful deployment. Finally, the authors present chapter-length case studies demonstrating how both full and partial EDA implementations can deliver exceptional business value. Coverage includes
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Hugh Taylor is a social software evangelist for IBM Lotus Software. He coauthored Understanding Enterprise SOA and has written extensively on Web services and SOA. He holds an MBA from Harvard Business School. Angela Yochem is an executive in a multinational technology company and is a recognized thought leader in architecture and large-scale technology management. Les Phillips, VP, enterprise architecture, at SunTrust Banks Inc., is responsible for defining the strategic and business IT foundation for many areas of the enterprise. Frank Martinez, EVP, product strategy, at SOA Software, is a recognized expert on distributed, enterprise application, and infrastructure platforms. He has served as senior operating executive for several venture-backed firms and helped build Intershop Communications into a multibillion-dollar public company.
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Foreword    xi
Preface    xii
Introduction     1
Event-Driven Architecture: A Working Definition    1
The “New†Era of Interoperability Dawns    6
The ETA for Your EDAÂ Â Â Â 9
Endnotes    9
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PART I THE THEORY OF EDA
Chapter 1 EDA: Opportunities and Obstacles    13
The Vortex    13
EDA: A Working Systemic Definition    14
The (Not So Smooth) Path to EDAÂ Â Â Â 24
Defining Interoperability    26
Drivers of Interoperability    28
Application Integration: A Means to Interoperate    29
Interoperation and Business Process Management    31
Is There a Diet for All This Spaghetti?     35
How Architecture Promotes Integration    37
Management and Governance    39
Chapter Summary    43
Endnote    45
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Chapter 2 SOA: The Building Blocks of EDAÂ Â Â Â 47
Making You an Offer You Can’t Understand    47
SOA: The Big Picture    48
Defining Service    49
Service-Based Integration    50
Web Services    51
What Is SOA?     59
Loose Coupling in the SOAÂ Â Â Â 60
Chapter Summary    61
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Chapter 3 Characteristics of EDAÂ Â Â Â 63
Firing Up the Corporate Neurons    63
Revisiting the Enterprise Nervous System    63
The Ideal EDAÂ Â Â Â 78
BAM--A Related Concept    86
Chapter Summary    87
Endnotes    89
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Chapter 4 The Potential of EDAÂ Â Â Â 91
Introduction    91
EDA’s Potential in Enterprise Computing    91
EDA and Enterprise Agility    100
EDA and Society’s Computing Needs    102
EDA and Compliance    107
Chapter Summary    108
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Chapter 5 The SOA-EDA Connection    111
Getting Real    111
Event Services    112
The Service Network    114
Implementing the SOA and Service Network    116
How to Design an SOAÂ Â Â Â 122
The Real “Bottom Lineâ€Â     134
Chapter Summary    137
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PART II EDA IN PRACTICE
Chapter 6 Thinking EDAÂ Â Â Â 141
A Novel Mind-Set    141
Reducing Central Control    142
Thinking about EDA Implementation    148
When EDA Is Not the Answer    151
An EDA Product Examined    153
Chapter Summary    157
Endnotes    158
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Chapter 7 Case Study: Airline Flight Control    159
Learning Objectives    160
Business Context: Airline Crunch Time    160
The Ideal Airline Flight Control EDAÂ Â Â Â 167
What FEDA Might Look Like in Real Life    176
Program Success    197
Chapter Summary    206
Endnotes    207
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Chapter 8 Case Study: Anti-Money Laundering    209
Learning Objectives    210
Cracking a Trillion Dollar, Global Crime Wave    210
IT Aspects of Anti-Money Laundering    216
EDA as a Weapon in the War on Money Laundering    221
Chapter Summary    259
Endnotes    260
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Chapter 9 Case Study: Event-Driven Productivity Infrastructure    261
Learning Objectives    262
The Often Inadequate Human Link in the EDAÂ Â Â Â 262
Overview of Productivity Infrastructure    264
The Potential Benefits of EDA-PI Integration    267
ProdCo, an EDA-PI Integration Scenario    273
Chapter Summary    293
Endnotes    294