Achieving Service–Oriented Architecture: Applying an Enterprise Architecture Approach

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