From Enterprise Architecture to IT Governance - Elements of Effective IT Management

von: Klaus D. Niemann

Vieweg+Teubner (GWV), 2007

ISBN: 9783834890115 , 232 Seiten

Format: PDF, OL

Kopierschutz: Wasserzeichen

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From Enterprise Architecture to IT Governance - Elements of Effective IT Management


 

Preface

6

Table of Contents

10

1 Introduction: When Things Just Work

13

1.1 Overview: The Essence in a Nutshell

14

1.2 Orientation: Notes for the Reader

23

2 Foundations: Finding the Starting Point

25

2.1 Enterprise Architecture (EA)

25

2.2 IT Architecture

33

2.3 Architecture Management

34

2.4 The IT Architect

36

2.5 Corporate Governance

38

2.6 IT Governance

39

2.7 Enterprise Architecture as a Basis for IT Governance

41

2.8 Establishing and Using Enterprise Architecture

48

2.9 Enterprise Architecture in an IT Management Framework

50

3 Goals: Doing the Right Things Right

55

3.1 The Potential Benefits of Enterprise Architecture

56

3.2 Optimizing IT Efficiency

61

3.3 Optimizing IT Effectiveness

69

3.4 Optimizing IT Security

78

3.5 The Goal: Illuminate the Dark

84

4 Documentation: Structuring Enterprise Architecture

87

4.1 Anatomy of an Enterprise Architecture Model

88

4.2 Business Architecture

98

4.3 Software Architecture

106

4.4 Systems Architecture

118

4.5 Applications Environment

127

5 Analysis: Evaluating Enterprise Architecture

135

5.1 Overview of Analysis Procedures

135

5.2 Analysis of Dependencies

141

5.3 Coverage Analysis

142

5.4 Analysis of the Interfaces

143

5.5 Analysis of Heterogeneity

145

5.6 Analysis of Complexity

150

5.7 Analysis of Conformity

151

5.8 Analysis of the Costs

154

5.9 Analysis of the Benefits

156

6 Planning: Creating Enterprise Architecture

165

6.1 IT Development Planning

165

6.2 Administering Enterprise Architecture

169

6.3 Developing Planning Scenarios

171

6.4 Evaluating Planning Scenarios

174

6.5 Planning Development Measures

178

7 Implementation: Developing Enterprise Architecture

179

7.1 Translating Strategy into Operational Reality

179

7.2 Establishing Strategic Architecture Management

182

7.3 Establishing Operational Architecture Management

184

7.4 Establishing an Organization

189

7.5 The Costs of an Enterprise Architecture

196

7.6 The Benefits of Enterprise Architecture

198

7.7 Resources: Frameworks and Tools

201

8 Safeguarding: Controlling Enterprise Architecture Development

207

8.1 Processes

209

8.2 Boards

215

8.3 Measurement Procedures

217

9 Conclusion: Finding the Right Course

223

10 References

231

11 Figures

237

12 Index

241