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The author developed Lightweight Enterprise Architecture (LEA) to enable a quick alignment of technology to business strategy. LEA's simple and effective framework makes it useful to a wide audience of users throughout an enterprise, coordinating resources for business requirements and facilitating optimal adoption of technology.

Lightweight Enterprise Architectures provides a methodology and philosophy that organizations can easily adopt, resulting in immediate value-add without the pitfalls of traditional architectural styles. This systematic approach uses the right balance of tools and techniques to help an enterprise successfully develop its architecture.

The first section of the text focuses on how enterprises deploy architecture and how architecture is an evolving discipline. The second section introduces LEA, detailing a structure that supports architecture and benefits all stakeholders. The book concludes by explaining the approach needed to put the framework into practice, analyzing deployment issues and how the architecture is involved throughout the lifecycle of technology projects and systems.

This innovative resource tool provides you with a simpler, easily executable architecture, the ability to embrace a complex environment, and a framework to measure and control technology at the enterprise level.

Tabla de contenidos provista por Syndetics

• Preface(p. xv)
• Acknowledgments(p. xxi)
• About the Author(p. xxiii)
• Section 1 State of Architecture
• Chapter 1 Architectural Chaos(p. 3)
• Relation of Technology and Architecture(p. 3)
• The Many Faces of Architecture(p. 4)
• The Scope of Enterprise Architecture(p. 6)
• The Need for Enterprise Architecture(p. 8)
• The History of Architecture(p. 10)
• The Current Environment(p. 12)
• Standardization Barriers(p. 16)
• The Need for Lightweight(p. 18)
• Chapter 2 Architecture in the Enterprise(p. 21)
• The Cost of Technology(p. 21)
• The Benefits of Enterprise Architecture(p. 22)
• The Domains of Architecture(p. 25)
• The Gap between Business and IT(p. 29)
• Where Does LEA Fit?(p. 31)
• Chapter 3 LEA's Framework(p. 35)
• Frameworks, Methodologies, and Approaches(p. 35)
• The Framework of LEA(p. 38)
• Types of Methodologies(p. 39)
• Types of Approaches(p. 48)
• Actual System Environments(p. 54)
• Section 2 Framework for LEA
• Chapter 4 LEA Overview(p. 59)
• Overview(p. 59)
• Realms of LEA(p. 60)
• The Goals of LEA(p. 64)
• Why Not LEA?(p. 65)
• Chapter 5 Strategic Architecture(p. 69)
• Goals of the Strategic Architecture(p. 69)
• Enterprise Principles(p. 72)
• Enterprise Patterns(p. 78)
• Enterprise Guidelines(p. 89)
• Technology Charter(p. 93)
• Chapter 6 Conceptual Architecture(p. 95)
• Goals of the Conceptual Architecture(p. 95)
• System Contracts(p. 97)
• System Models(p. 100)
• Physical Model(p. 108)
• System Objectives(p. 109)
• Technology Roadmap(p. 116)
• Feedback to Strategic(p. 117)
• Chapter 7 Execution Architecture(p. 119)
• Goals of the Execution Architecture(p. 119)
• Project Requirements(p. 120)
• Project Diagrams(p. 125)
• Project Vision(p. 129)
• Project Scope(p. 131)
• Feedback to Conceptual(p. 132)
• Section 3 Implementing LEA
• Chapter 8 Philosophy of LEA(p. 135)
• Beliefs of LEA(p. 135)
• Role of LEA(p. 138)
• Characteristics of Architects(p. 141)
• Communicating LEA(p. 145)
• Results of LEA(p. 148)
• Chapter 9 Cycle of LEA(p. 151)
• Architectural Layers(p. 151)
• LEA Review Cycles(p. 152)
• Challenges to LEA(p. 155)
• Deploying Metrics(p. 161)
• Chapter 10 Deploying LEA(p. 167)
• Design of LEA(p. 167)
• Commitment to LEA(p. 167)
• Chapter 11 Dysfunctional Enterprise Architectures(p. 179)
• What Is Dysfunctional Behavior?(p. 179)
• The Ivory Tower(p. 180)
• Prima Donnas(p. 182)
• War Campaigns(p. 184)
• Tribal Lore(p. 185)
• Diagrams Are for Sissies(p. 187)
• Happy Analysts(p. 189)
• The Absent Leaders(p. 191)
• Technology Is Cool(p. 192)
• Circling Vultures(p. 194)
• Seagull Management(p. 196)
• Conclusion(p. 198)
• Section 4 Appendices
• Appendix A LEA Artifacts(p. 201)
• Appendix B Reference Materials(p. 209)
• Author's Comments(p. 209)
• OAGIS 8.0 Documentation(p. 212)
• Application Areas in OAGIS(p. 230)
• Verbs in OAGIS(p. 240)
• Appendix C Glossary(p. 305)
• Index(p. 309)

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