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Improving Business Agility with EDA
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.
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
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.
Foreword xi
Preface xii
Introduction 1
Event-Driven Architecture: A Working Definition 1
The “New” Era of Interoperability Dawns 6
The ETA for Your EDA 9
Endnotes 9
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 EDA 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
Chapter 2 SOA: The Building Blocks of EDA 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 SOA 60
Chapter Summary 61
Chapter 3 Characteristics of EDA 63
Firing Up the Corporate Neurons 63
Revisiting the Enterprise Nervous System 63
The Ideal EDA 78
BAM--A Related Concept 86
Chapter Summary 87
Endnotes 89
Chapter 4 The Potential of EDA 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
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 SOA 122
The Real “Bottom Line” 134
Chapter Summary 137
PART II EDA IN PRACTICE
Chapter 6 Thinking EDA 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
Chapter 7 Case Study: Airline Flight Control 159
Learning Objectives 160
Business Context: Airline Crunch Time 160
The Ideal Airline Flight Control EDA 167
What FEDA Might Look Like in Real Life 176
Program Success 197
Chapter Summary 206
Endnotes 207
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
Chapter 9 Case Study: Event-Driven Productivity Infrastructure 261
Learning Objectives 262
The Often Inadequate Human Link in the EDA 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
