A Practical Guide to Enterprise Architecture

bull; Written by expert practitioners who have hands-on experience solving real-world problems for large corporations bull; Helps enterprise architects make sense of data, systems, software, services, product lines, methodologies, and much more bull; Provides explanation of theory and implementation with real-world business examples to support key points

James McGovern, Enterprise Architect for Hartford Financial Services Scott W. Ambler, Senior Consultant with Ronin International Michael E. Stevens, Software Architect for Hartford Financial Services, is a columnist for Developer.com James Linn, Consultant at Hartford Financial Services Vikas Sharan is Managing Partner of Lozoic Elias K. Jo, Systems Architect for The New York Times Digital

Acknowledgments

xiii

Foreword

xvii

Preface

xxi

chapter 1 Systems Architecture

1

(34)

Canaxia Brings an Architect on Board

2

(15)

Network Protocols

17

(17)

Conclusion

34

(1)

chapter 2 Software Architecture

35

(28)

What Is Software Architecture?

36

(1)

The Role of a Software Architect

37

(1)

Why We Need Software Architecture

37

(2)

The System Stakeholders

39

(2)

Creating a Software Architecture: An Example

41

(7)

Architecture Description Languages and UML

48

(1)

Quality Attributes

49

(7)

Architectural Viewpoints

56

(4)

Architectural Styles, Patterns, and Metaphors

60

(2)

Conclusion

62

(1)

chapter 3 Service-Oriented Architecture

63

(28)

Benefits of an SOA

63

(4)

Characteristics of an SOA

67

(10)

Web Services

77

(3)

Services at Canaxía

80

(2)

SOA Issues

82

(2)

SOA Management

84

(3)

SOA Best Practices

87

(1)

SOA Antipatterns

87

(2)

Conclusion

89

(2)

chapter 4 Software Product Lines

91

(20)

Product Lines at Canaxia

93

(1)

History of Product Lines

94

(1)

What Is a Software Product Line?

95

(1)

Product Line Benefits

96

(1)

Product Line Aspects

97

(13)

Conclusion

110

(1)

chapter 5 Methodology Overview

111

(30)

The Software Development Life Cycle

112

(2)

Extreme Programming

114

(6)

SEI/CMM

120

(6)

The Zachman Framework

126

(4)

Model-Driven Architecture

130

(3)

Rational Unified Process

133

(5)

Using These Methodologies

138

(2)

Conclusion

140

(1)

chapter 6 Enterprise Unified Process

141

(8)

The Enterprise-Unified Process

142

(2)

The Production Phase

144

(1)

The Retirement Phase

144

(1)

The Operations and Support Discipline

145

(1)

The Enterprise Management Discipline

146

(1)

Why Adopt the EUP?

147

(1)

Conclusion

147

(2)

chapter 7 Agile Architecture

149

(16)

Agility ín a Nutshell

150

(2)

Potential Problems with Traditional Approaches to Enterprise Architecture

152

(1)

An Agile Approach to Architecture

153

(5)

What Should Agile Architecture Efforts Produce?

158

(1)

Agile Architecture at Canaxia

158

(3)

Introducing an Agile Approach into Your Organization

161

(1)

Are Other Architecture Approaches Agile?

162

(1)

Potential Problems with an Agile Approach

163

(1)

Conclusion

164

(1)

chapter 8 Agile Modeling

165

(14)

The Goals of Agile Modeling

166

(9)

Agile Models

175

(2)

Agile Documents

177

(1)

Conclusion

178

(1)

chapter 9 Presentation Tier Architecture

179

(26)

Key Presentation Tier Components

181

(6)

General Design Recommendations

187

(4)

Design Guidelines for Interface Components

191

(12)

Conclusion

203

(2)

chapter 10 Usability and User Experience

205

(20)

Understanding Usability

207

(1)

User Experience Components

208

(7)

Usability and User Experience Design Process

215

(1)

Usability Techniques

216

(6)

Sharing the Usability Test Reports

222

(1)

Out-of-the-Box Experience

222

(1)

Conclusion

223

(2)

chapter 11 Data Architecture

225

(32)

The Business Problem

226

(1)

Baseline Data Architecture

227

(3)

Frameworks

230

(4)

Metadata

234

(5)

Advanced Metadata Architecture

239

(2)

Data Security

241

(1)

Agile Database Techniques

242

(13)

Conclusion

255

(2)

chapter 12 Thought Leadership

257

(12)

Organizational Matrix

257

(1)

Outsourcing and Core Competencies

258

(1)

Strong Technical Leadership

259

(1)

Architects Stand the Test of Time

260

(1)

The Savage Pursuit of Best Practices

261

(1)

The Agile CIO

262

(1)

The Mysteries of Open Source

263

(1)

Consultant 101

264

(1)

Why I Should Be a CIO

265

(1)

The Next Minute

266

(1)

Conclusion

267

(2)

Appendix A

269

(4)

Appendix B

273

(2)

Appendix C

275

(2)

Appendix D

277

(4)

Appendix E

281

(6)

Appendix F

287

(6)

Appendix G

293

(2)

About the Authors

295

(2)

Index

297

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A Practical Guide to Enterprise Architecture

Summary

Author Biography

Table of Contents

Supplemental Materials