Lightweight Enterprise Architectures

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Lightweight Enterprise Architectures

Author: Fenix Theuerkorn | Size: 5 MB | Format: PDF | Publisher: CRC Press | Year: 2004 | pages: 274 | ISBN: 084932114X

Features
Provides a structure to support architecture in the enterprise that benefits all stakeholders
Summarizes the current state of "architectural chaos" that separates IT from business goals
Provides a framework for aligning technology with business needs
Explains the Strategic, Conceptual, and Execution framework components that enable project success
Includes an LEA Artifacts guide
Illustrates key symptoms of dysfunctional enterprise architecture

Summary
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.

STATE OF ARCHITECTURE
Architectural Chaos
Relation of Technology and Architecture
The Many Faces of Architecture
The Scope of Enterprise Architecture
The Need for Enterprise Architecture
The History of Architecture
The Current Environment
Standardization Barriers
The Need for Lightweight

Architecture in the Enterprise
The Cost of Technology
The Benefits of Enterprise Architecture
The Domains of Architecture
The Gap between Business and IT
Where Does LEA Fit?

LEA's Framework
Frameworks, Methodologies, and Approaches
The Framework of LEA
Types of Methodologies
Types of Approaches
Actual System Environments

FRAMEWORK FOR LEA
LEA Overview
Overview
Realms of LEA
The Goals of LEA
Why Not LEA?

Strategic Architecture
Goals of the Strategic Architecture
Enterprise Principles
Enterprise Patterns
Enterprise Guidelines
Technology Charter

Conceptual Architecture
Goals of the Conceptual Architecture
System Contracts
System Models
Physical Model
System Objectives
Technology Roadmap
Feedback to Strategic

Execution Architecture
Goals of the Execution Architecture
Project Requirements
Project Diagrams
Project Vision
Project Scope
Feedback to Conceptual

IMPLEMENTING LEA
Philosophy of LEA
Beliefs of LEA
Role of LEA
Characteristics of Architects
Communicating LEA
Results of LEA

Cycle of LEA
Architectural Layers
LEA Review Cycles
Challenges to LEA
Deploying Metrics

Deploying LEA
Design of LEA
Commitment to LEA

Dysfunctional Enterprise Architectures
What Is Dysfunctional Behavior?
The Ivory Tower
Prima Donnas
War Campaigns
Tribal Lore
Diagrams Are for Sissies
Happy Analysts
The Absent Leaders
Technology Is Cool
Circling Vultures
Seagull Management
Conclusion

APPENDICES
Appendix A LEA Artifacts

Appendix B Reference Materials
Author's Comments
OAGIS 8.0 Documentation
Application Areas in OAGIS
Verbs in OAGIS

Appendix C Glossary

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