Case Study (Cloud computing)

Case Study (Cloud computing)

P1: OTA/XYZ P2: ABC FM JWBT251-Sweeney March 22, 2010 10:48 Printer Name: Hamilton

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

v

Sweeney, Rick. Achieving Service-Oriented Architecture : Applying an Enterprise Architecture Approach, John Wiley & Sons, Incorporated, 2010. ProQuest Ebook Central, http://ebookcentral.proquest.com/lib/apus/detail.action?docID=530020. Created from apus on 2018-07-04 22:43:08.

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P1: OTA/XYZ P2: ABC FM JWBT251-Sweeney March 22, 2010 10:48 Printer Name: Hamilton

vi Contents

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

Sweeney, Rick. Achieving Service-Oriented Architecture : Applying an Enterprise Architecture Approach, John Wiley & Sons, Incorporated, 2010. ProQuest Ebook Central, http://ebookcentral.proquest.com/lib/apus/detail.action?docID=530020. Created from apus on 2018-07-04 22:43:08.

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P1: OTA/XYZ P2: ABC FM JWBT251-Sweeney March 22, 2010 10:48 Printer Name: Hamilton

Contents vii

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

Sweeney, Rick. Achieving Service-Oriented Architecture : Applying an Enterprise Architecture Approach, John Wiley & Sons, Incorporated, 2010. ProQuest Ebook Central, http://ebookcentral.proquest.com/lib/apus/detail.action?docID=530020. Created from apus on 2018-07-04 22:43:08.

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P1: OTA/XYZ P2: ABC FM JWBT251-Sweeney March 22, 2010 10:48 Printer Name: Hamilton

viii Contents

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

Sweeney, Rick. Achieving Service-Oriented Architecture : Applying an Enterprise Architecture Approach, John Wiley & Sons, Incorporated, 2010. ProQuest Ebook Central, http://ebookcentral.proquest.com/lib/apus/detail.action?docID=530020. Created from apus on 2018-07-04 22:43:08.

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