Lightweight Enterprise Architectures: 1st Edition (Hardback) book cover

Lightweight Enterprise Architectures

1st Edition

By Fenix Theuerkorn

Auerbach Publications

344 pages | 70 B/W Illus.

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Hardback: 9780849321146
pub: 2004-06-25
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Description

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.

Table of Contents

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

Subject Categories

BISAC Subject Codes/Headings:
BUS083000
BUSINESS & ECONOMICS / Information Management
COM011000
COMPUTERS / Systems Architecture / General
COM051230
COMPUTERS / Software Development & Engineering / General