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Journal of E nterprise Architecture February 2012, Volume 8, Number 1 FEATURES Editor’s Corner: John Gøtze Architect in the Spotlight: Mark Perry ARTICLES SEA Change: How Sustainable EA Enables Business Success in Times of Disruptive Change Leo Laverdure and Alex Conn PhD Maturity Matters: Generate Value from Enterprise Architecture Jeanne W. Ross and Cynthia M. Beath Improving Government Enterprise Architecture Practice – Maturity Factor Analysis Adegboyega Ojo, Tomasz Janowski, and Elsa Estevez Architecture Styles Indranil Bhattacharya, Enterprise Architect, Deutsche Telekom The Impact of Enterprise Architecture Principles on the Management of IT Investments Mats-Åke Hugoson, Thanos Magoulas, and Kalevi Pessi Can a Re-Discovery of Open Socio-Technical Systems Strengthen EA? James Lapalme and Donald W. de Guerre CASE STUDY The Enterprise Architecture Approach to Support Concept Development in a Military Context: A Case Study Evaluation of EA’s Benefits Jukka Anteroinen and Juha-Matti Lehtonen BOOK REVIEW Thinking in Systems: A Primer Review by Leonard Fehskens https://www.globalaea.org/journal Journal of Enterprise Architecture Chief Editor: John Gøtze, PhD, IT University of Copenhagen Associate Editors Andy Blumenthal James Lapalme, PhD Division Chief, US Department of State Enterprise Architecture Consultant and Researcher Tyson Brooks, PMP Haiping Luo, PhD School of Information Studies, Syracuse University International Trade Administration, US Dept. of Commerce Dick Burk Stephen Marley, PhD Enterprise Architect Harris Corporation Brian Cameron PhD Thomas J. Mowbray, PhD Professor & Executive Director, Center for EA, PA State University TASC, Inc. Larry DeBoever George Paras assureEV Managing Director, EADirections Gary Doucet Pallab Saha, PhD Human Resources and Skills Development Canada Professor of Information Systems, National University of Singapore Robert Ellinger, PhD Cathy Sowell Enterprise Architect President, Custom Enterprise Solutions, LLC Len Fehskens Torben Tambo VP, Skills and Capabilities, The Open Group Associate Professor, Aarhus University Institute of Business & Technology Kristian Hjort-Madsen, PhD Michael Tiemann Manager, Accenture Program Director, FEAC Institute Michelle Kaarst-Brown, PhD Pat Turner Associate Professor, Information Studies, Syracuse University Director, Centre for EA & Research Management, Griffith University Leon Kappelman, PhD Tim Westbrock College of Business, University of North Texas Managing Director, EADirections William W. Krauter, PhD John A. Zachman Senior Architect, Lockheed Martin Corporation Zachman International About the Journal: The Journal of Enterprise Architecture (JEA) is a peer-reviewed international quarterly publication for the Enterprise Architecture community. Issues are published in February, April, August, and November each year. JEA supports global academic and practitioner communities of interest through the publication of articles that promote the profession of Enterprise Architecture, and deals with issues regarding practices and methods, case studies, and standards at the national and international levels. Note that the views expressed in JEA articles are those of the respective authors, and not necessarily those of the publisher, the editorial board, or the Association of Enterprise Architects (AEA). Sponsors: JEA is sponsored by AEA (publisher), the Institute for Software Research International at Carnegie Mellon University, and the School of Information Studies at Syracuse University. Copyright: All rights reserved. The reproduction, storage, or transmission of JEA articles or other content is prohibited without prior permission in writing from the JEA Chief Editor, who can be contacted via email at [email protected]. Article Submissions: Authors may submit properly formatted manuscripts to the JEA Chief Editor at [email protected] for peer-review and publication consideration. Author submission guidelines are available on the Journal website at https://www.globalaea.org/journal. Approximate timeframes from submission to publication for successful manuscripts are 6 to 12 months, depending on the backlog of previously accepted manuscripts. Copyright of all accepted articles and other published content is transferred by the author to JEA upon notification of acceptance by the JEA Chief Editor. Associate Membership: The cost of AEA associate membership is $70.00/£40.00/€60.00 and includes access to the Journal of Enterprise Architecture. To join, please refer to https://www.globalaea.org/membership/JoinMember. Back Issues: All back issues are available in electronic form, and can be accessed online by subscribers. Libraries can apply for access by contacting AEA. 2 © Journal of Enterprise Architecture – February 2012 Contents Editor’s Corner ....................................................................................................................................................................... 4 Architect in the Spotlight ........................................................................................................................................................ 5 SEA Change: How Sustainable EA Enables Business Success in Times of Disruptive Change ......................................... 9 Maturity Matters: Generate Value from Enterprise Architecture .......................................................................................... 22 Improving Government Enterprise Architecture Practice – Maturity Factor Analysis .......................................................... 27 Architecture Styles ............................................................................................................................................................... 38 The Impact of Enterprise Architecture Principles on the Management of IT Investments ................................................... 46 Can a Re-Discovery of Open Socio-Technical Systems Strengthen EA? ........................................................................... 55 The Enterprise Architecture Approach to Support Concept Development in a Military Context: A Case Study Evaluation of EA’s Benefits ........................................................................................................................... 63 Book Review ........................................................................................................................................................................ 75 © Journal of Enterprise Architecture – February 2012 3 Editor’s Corner By John Gøtze JEA’s first number in 2012 is packed full with new and JEA ARCHIVES valuable insights into Enterprise Architecture in theory and practice. We have extended our digital archives, and have all published numbers available for (members) download at The Architect in the Spotlight is Mark Perry from HP. https://www.globalaea.org/journal. Leo Laverdure and Alex Conn discuss how sustainable EA enables business success in times of disruptive CALL FOR REVIEWERS change. Please consider becoming a reviewer for JEA. As a Jeanne Ross presents MIT CISRs findings in their reviewer, you are given decisive influence on what is research on EA maturity in over 100 companies in a two- published in the journal, and as all reviews are blind part series. The first part introduces the background. (anonymous), you can provide your honest opinion. Contact me if you are interested. Adegboyega Ojo, Tomasz Janowski, and Elsa Estevez discuss how to improve government EA practice through CALL FOR PAPERS Maturity Factor Analysis. Please consider sharing your story with the EA Indranil Bhattacharya discusses architecture styles in community, and submit a paper for JEA. Read more on another two-part series. The first part discusses the https://www.globalaea.org/journal. concept of architecture styles. ABOUT THE EDITOR Mats-Åke Hugoson, Thanos Magoulas, and Kalevi Pessi discuss how EA principles can be used in the Dr. John Gøtze is program manager at the IT University management of IT investments. of Copenhagen and lecturer at Copenhagen Business School. He is also a partner in EA Fellows, and runs James Lapalme and Don de Guerre discuss socio- Carnegie Mellon University’s EA Certification program in technical awareness in the architecture practice. Europe. He can be reached on [email protected]. Jukka Anteroinen and Juha-Matti Lehtonen present a case study from an EA effort in the Finnish Defense, and discuss benefits for concept development. Last, but not least, Len Fehskens does a book review of a classic, Thinking in Systems. As always, the full articles have been carefully reviewed in a double-blind peer-review process, and all published articles been accepted by at least two reviewers. A total of 44 peer-reviews by more than 20 reviewers were conducted in the making of this issue. Some articles had to go through three revisions before final acceptance, and other submissions were rejected. JEA’s current acceptance rate is 58%. 4 © Journal of Enterprise Architecture – February 2012 Architect in the Spotlight Mark Perry and programs and have been doing that now for about PLEASE INTRODUCE YOURSELF! 15 years. I am an Enterprise Architect and the CTO for HP Enterprise Services’ UK Defence Business Group with WHAT IS THE GREATEST CHALLENGE FACING 32 years’ experience in IT systems, services, and ENTERPRISE ARCHITECTURE TODAY? consultancy. In my current role I lead a team of It has always been, and continues to be, the case that business, portfolio, and technical architects whose prime