A complete, comprehensive methodology and framework for adopting and managing a successful service oriented architecture environment Achieving Service-Oriented Architecture helps to set up an SOA Architecture Practice defining the policies, procedures, and standards that apply not just to IT developers but to the entire corporation as it relates to business applications.
- Why a new architectural approach is necessary for your business to achieve all the value SOA has to offer
- Focuses on setting up an enterprise architecture practice for service-oriented architecture
- Discusses the implementation and governance processes for SOA
- Defines and describes an overall architectural framework for managing SOA assets at an enterprise architecture level
- Shows how to set up and run an SOA Enterprise Architecture Practice using the methodology and framework presented
Defining how an Architecture Practice can transform itself and your corporation to maximize the benefits of the SOA approach, Achieving Service-Oriented Architecture provides a pragmatic enterprise architecture approach and framework for implementing and managing service oriented architecture from a business organization and business practices perspective.
Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file.
Table of Contents:
Acknowledgments ix
Introduction xi
About the Web Site xix
PART I VALUE OF ENTERPRISE ARCHITECTURE AND SOA
CHAPTER 1 What Is an Architecture Practice, and Why Do You Need One? 3
Business Organizations and Departments Do Not Operate as Isolated Islands 3
Looking at the Past to Understand the Future 5
Summary 7
CHAPTER 2 Why Is a Service-Oriented Architecture So Valuable? 9
Where Does SOA Fit In? 10
How Has Technology Been Evolving and Advancing to Solve These Problems? 11
Where Do We Need to Focus Today? 14
How Do We Express the SOA Value from a Business Perspective? 14
Value of SOA from a Financial Perspective 20
Summary 22
CHAPTER 3 A New Architecture for a New World 23
This Is Not Your Grandfather’s World 23
What Are Business Applications, and What Is Wrong with Them? 24
Summary 32
CHAPTER 4 SOA and Channels 33
Value of Channels 34
Traditional (Non-SOA) Approach to Channels 35
Intermediary Channels 41
SOA Security Framework for Channels 43
Architecture for SOA Channels and Their Security Frameworks 45
Value-Added Extensions to an Enterprise Security Framework 45
Channel Governance 46
Summary 47
PART II ARCHITECTURE FRAMEWORK AND METHODOLOGY
CHAPTER 5 Service-Oriented Architecture Enterprise Architecture Framework and Methodology 51
SOA Enterprise Architecture Framework 51
Overview of the SOA∼EAF Methodology 84
Summary 87
CHAPTER 6 Incorporating Existing Enterprise Architecture Documents and Artifacts into the SOA∼EAF 89
Relationship of the SOA Enterprise Architecture Framework to Other EA Frameworks 89
Value of Mapped EA Artifacts 91
Incorporating Zachman Framework Artifacts into the SOA∼EAF 92
General Approach for Integrating and Leveraging EA Artifacts into the SOA∼EAF 99
Summary 100
PART III THE SOA∼EAF METHODOLOGY PROCESSES AND CONSIDERATIONS
CHAPTER 7 Dealing with Purchased or Leased Business Applications 103
A Future Vision of Vendor Participation in SOA 104
Adopting SOA Partnerships with Vendors Supplying Leased or Purchased Business Applications 108
Special Considerations when Business Applications Are Hosted or Located in Multiple Data Centers 113
Performance Techniques for SOA 115
Summary 118
CHAPTER 8 Transforming Governance to Support SOA 119
Enterprise SOA Portfolio Plan and the Release Approach to Application Delivery 119
Managing the Impact on Architecture Resources 128
Five Levels of SOA Governance 129
Summary 173
CHAPTER 9 SOA System Development Life Cycle 175
Paradigm Shift of IT Development Resources, Processes, and Practices to Support SOA 176
Phases of the SOA System Development Life Cycle 179
Summary 211
CHAPTER 10 Capacity Planning under SOA 213
Layered Approach to Monitoring and Managing a Distributed SOA Architecture 213
SOA Initiative Capacity and Performance Assessment Process 215
Proactive Planning for SOA 216
Capacity and Performance Planning for Releases 223
Application-Level Monitoring in Production 225
Summary 226
CHAPTER 11 People Involved in the SOA Process 227
Architecture Resource Requirements for SOA 227
Development Resources 241
Test and Quality Assurance Resources 244
Project Management Resources 246
Initiative Business Resources 247
Release Management Resources 249
Production Readiness Resources 249
Production Support Resources 250
Governance Business Resources 251
Summary 253
CHAPTER 12 Leveraging SOA to Decommission, Replace, or Modernize Legacy Business Applications 255
SOA Architectural Approach to Legacy Applications 256
Making Legacy Application Recommendations Based on the Business and Technical Assessments 266
Legacy Application SOA Modernization and Replacement Solution Example 267
Summary 272
PART IV DEVELOPING YOUR PLAN FOR ACHIEVING SERVICE-ORIENTED ARCHITECTURE
CHAPTER 13 Implementing an Effective SOA Strategy under a Decentralized Business or IT Model 275
Business and IT Organization Variations 275
Summary of the Four Variation Quadrants of the Business and IT Models 280
Summary 282
CHAPTER 14 Assessing the Organization’s SOA Maturity and Developing Your Company’s SOA Business Strategy and Roadmap 283
What Is the SOA Business Strategy and Roadmap? 284
Framework for Assessing Maturity 285
Piloting an SOA Initiative to Shake Out and Evaluate the Model 296
Structure of the SOA Business Strategy and Roadmap 299
Summary 301
APPENDIX A SOA∼EAF Documentation Templates 303
APPENDIX B Service Categories and Types 311
APPENDIX C SOA Security Development Framework 331
Glossary 343
About the Author 349
Index 351
About the Author :
RICK SWEENEY is an independent consultant who specializes in enterprise architecture and SOA practices. Prior to starting his firm, he was the chief architect for sixteen years at Blue Cross/Blue Shield of Massachusetts. While there, he developed an architectural framework and methodology that laid the foundation for an SOA to support a multitude of health industry partnerships and information-sharing initiatives. In addition, he worked for Wang Laboratories, where he implemented fifteen major systems in nine months to support the creation and operations of Wang's wholly owned captive finance subsidiary, Wang Credit Corporation. Visit the author's blog at www.soaistheway.wordpress.com.
