Collaborative Enterprise Architecture : Enriching EA with Lean, Agile, and Enterprise 2. 0 Practices

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  • Format: Paperback
  • Copyright: 2012-08-29
  • Publisher: Elsevier Science Ltd
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Rapid advances in information technologies and ever-changing business needs have prompted large companies to embark on enterprise-wide transformations. Today, businesses must be "hyper-connected" if they are to thrive, with information readily accessible to partners, suppliers, customers, and employees. At the same time, digitization, cloud computing, agile software development, and Web 2.0, among other developments, demand fundamental changes in business practice. These changes have a drastic effect not only on IT and business, but on processes, principles, and people. Traditional Enterprise Architecture has been unable to accommodate these trends, with 80% of initiatives failing. To better align their IT assets and business operations, companies need innovative EA strategies that are agile and responsive to changing business requirements. Enterprise Architecture Management provides the practical solutions they require, informed by real-world case studies and experts' insights. A hands-on guide to implementing EAM, this book merges top-down and pragmatic, bottom-up approaches to create successful architecture focused on business value, collaboration, innovation, and digitized business networks. Covers the latest emerging technologies affecting business practice, including digitization, cloud computing, agile software development, and Web 2.0 Focuses on the practical implementation of EAM rather than theory, with recommendations based on real-world case studies Addresses changing business demands and practices, including Enterprise 2.0, open source, global sourcing, and more Takes an innovative approach to EAM, merging standard top-down and pragmatic, bottom-up strategies, offering real solutions to businesses undergoing enterprise-wide changes

Author Biography

Stefan Bente, Management Consultant, Cassini Consulting, Germany Uwe Bombosch, Chief IT Architect, Platinion, Germany Shailendra Langade, EA Practice Lead, Corporate Technology Excellence Group, Tata Consultancy Services, India

Table of Contents

Acknowledgmentsp. xi
Why Collaborative Enterprise Architecture?p. 1
Reasons for This Bookp. 1
Goals and Benefits of Enterprise Architecturep. 4
Controlling IT Complexityp. 6
Aligning Business and ITp. 9
The Gray Reality: Enterprise Architecture Failuresp. 11
Between Success and Disappointmentp. 12
Perspective: Between Bird's-Eye View and Nitty-Gritty on the Groundp. 14
Governance: A Host of Directives, but No One Follows Themp. 19
Strategy: Marathaon or 100 m Run?p. 21
Transformation: Between Standstill and Continuous Revolutionp. 23
Enriching EA by Lean, Agile, and Enterprise 2.0 Practicesp. 25
How This Book Is Structuredp. 28
What is Enterprise Architecture?p. 31
The Meaning of Architecturep. 31
Applying Architecture to an Enterprisep. 34
EA Applicability and Usep. 36
What Enterprise Architects Do: Core Activities of EAp. 39
Defining the IT Strategy (EA-1)p. 41
Defining the Goalsp. 42
Stipulating the Rulesp. 43
The Gartner Gridp. 46
Identifying the Initiativesp. 48
The Role of an Enterprise Architectp. 49
Modeling the Architectures (EA-2)p. 49
Models and Views of Various Architecturesp. 49
Visualizing Cross-Relations and Transformationsp. 51
Modeling Standardsp. 52
Evolving the IT Landscape (EA-3)p. 58
Application Rationalizationp. 58
General IT Transformationsp. 66
SOA Transformationsp. 67
Assessing and Building Capabilities (EA-4)p. 69
Competence Development for Enterprise Architectsp. 69
Formalizing Enterprise Architecturep. 74
EA Team Position in the Organization Structurep. 76
Developing and Enforcing Standards and Guidelines (EA-5)p. 78
Standardizing on Technology Usagep. 79
Enforcing Standards and Guidelinesp. 83
Monitoring the Project Portfolio (EA-6)p. 86
Building the Project Portfoliop. 87
Auditing the Portfoliop. 93
Leading or Coaching Projects (EA-7)p. 98
Managing Risks Involved in IT (EA-8)p. 100
EA Frameworksp. 105
What is an EA Framework?p. 106
The Zachman Framework for Enterprise Architecturep. 108
The Open Group Architecture Framework (TOGAF)p. 110
TOGAF Architecture Development Methodology (ADM)p. 111
TOGAF Architecture Content Frameworkp. 114
TOGAF Architecture Capability Frameworkp. 115
Gartner Methodology (Formerly META Framework)p. 118
The Role and Use of EA frameworksp. 121
EA Maturity Modelsp. 123
Applying Maturity Model to EAp. 124
What is a Maturity Model?p. 124
Relevance of Maturity Models in EAp. 126
A Rule of Thumb for the Architectural Maturity of an Enterprisep. 126
OMB EA Assessment Frameworkp. 127
Architecture Capability Maturity Model of the US Department of Commercep. 130
EA Maturity Model by MIT Center for Information System Researchp. 132
Experiences with the Maturity Modelsp. 134
Foundations of Collaborative EAp. 137
Reflections on Complexityp. 139
Beyond Threshing Machinesp. 139
Structure and Behavior of Complex Phenomenap. 140
Principles of Managing Complexityp. 141
Management Capabilities of Hierarchies and Networksp. 146
The EA Dashboard as a Yardstic for EA Effectivenessp. 152
Toward Pragmatism: Learn and Agila EAp. 159
The Architecture Factory: Applying Lean and Agile Methods to EAp. 160
Lean and Agile Principles as Facilitators for the Architecture Factoryp. 162
Definition of a Lean and Agile EAp. 163
Lean and Agile Principlesp. 165
Team-driven and Flexible: Agile Software Developmentp. 165
Learning from Mass Production: Lean Software Developmentp. 174
Lean and Agile: Parallels and Differencesp. 180
Building Block 1p. 182
The Seven Wastes of EAp. 183
Value Stream Analysis Tools for EAp. 193
Transition to a Lean and Agile EA Organizationp. 203
Summing It Up: Assessment by the EA Dashboardp. 205
Building Block 2: Involve all Stakeholders by Interlocking Architecture Scrumsp. 205
An Agile EA Projectp. 206
Scrum Patterns for EAp. 209
Summing It Up: Assessment by the EA Dashboardp. 215
Building Block 3: Practice Iteractive Architecture Through EA Kanbanp. 216
Agile EA Requirements Managementp. 217
An EA Kanban Board using TOGAF ADMp. 222
Synchronization with Implementation Projectsp. 230
Summing It Up: Assessment by the EA Dashboardp. 233
Inviting to Participation: EAM 2.0p. 235
A Primer on Enterprise 2.0p. 237
Building Block 4: Participation in Knowledgep. 246
The Strategy Blogp. 247
Collaborative Data Modeling: The ObjectPediap. 249
Weak Ties and a Self-Organizing Application Landscapep. 251
Summing It Up: Assessment by the EA Dashboardp. 256
Building Block 5: Participation in Decisionsp. 258
The Diagnostic Process Landscapep. 259
The Bazaar of IT Opportunitiesp. 261
Summing It Up: Assessment by the EA Dashboardp. 264
Building Block 6: Participation in Transformationp. 265
Mashing Up the Architecture Continuump. 265
The Change Management Microblogp. 270
Summing It Up: Assessment by the EA Dashboardp. 277
The Bottom Line: Inviting to Explorep. 278
The Next Steps: Taking Collaborative EA Forwardp. 279
A Summaryp. 279
Getting Started with Collaborative EAp. 283
Interpreting the Organizational Attitude Toward Changep. 283
Motivate the Elephantp. 286
Direct the Riderp. 288
Shape the Pathp. 290
Looking Aheadp. 293
Appendix: The Bank4Us Staffp. 295
Referencesp. 297
Indexp. 303
Table of Contents provided by Ingram. All Rights Reserved.

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