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Enterprise Architecture Transformation Iwan ENTERPRISE ARCHITECTURE TRANSFORMATION ROADMAP PLAN ANALYSIS AND VISUALIZATION Master Thesis Business Information Technology IWAN KURNIAWAN MASTER THESIS ENTERPRISE ARCHITECTURE TRANSFORMATION ROADMAP PLAN ANALYSIS AND VISUALIZATION Iwan Kurniawan S1231626 | [email protected] Master of Science in Business Information Technology School of Management and Governance University of Twente Enschede, the Netherlands 22 August 2014 Graduation Committee: Dr. Maria-Eugenia Iacob, University of Twente Dr. Ir. Marten J. van Sinderen, University of Twente Dr. Ir. Dick A.C. Quartel, BiZZdesign i Acknowledgements This thesis document is the final result of my master study and has been submitted in fulfillment of the requirement for the degree of Master of Science in Business Information Technology, University of Twente. The research has been conducted as a graduate internship assignment at BiZZdesign B.V., due to its commitment to help organizations worldwide to get a firm grip on change in an increasingly complex business reality, especially in the area of enterprise architecture. It has been a challenging and learning experience and I am deeply grateful to be given the opportunity to further understand the value of enterprise architecture to the organizations. I would like to take this opportunity to express my gratitude to the Ministry of Communication and Informatics (Kemkominfo) Republic of Indonesia, for the scholarship granted. This two-year study has been made possible with the sponsorship, guidance and commitment provided and for that, I am greatly honored. This master thesis, and the graduation internship, has been a wonderful experience as I was given the opportunity to learn from and work with the experts in the area of Enterprise Architecture. Maria Iacob and Marten van Sinderen, my two supervisors from the University, have provided insightful feedbacks, assistance and guidance throughout the thesis period. I would like to thank them for their significant inputs and suggestions in keeping me on track and forward. Likewise, I want to express my gratitude to Dick Quartel, my supervisor from BiZZdesign, for his direction and valuable advice in conducting this study. His continuous assistance and patience help me acquire clearer and better vision of the research direction, even when I was in doubts. Finally, I would like to thank my friends and family for their endless supports and prays. Also to the big family of PPI Enschede and IMEA for making Enschede feel warm like home. My graduate colleagues at BiZZdesign, thank you for the discussions and knowledge sharing sessions we had. It is always great to share the ups and downs while working on our research projects. Iwan Kurniawan Enschede, August 2014 i Executive Summary As the environment of the market is constantly changing, organizations are required to adapt to the technology advancement, demanding customers, aggressive competitors and regulatory changes. Aligning business and information technology is then an important factor to have this adaptation or transformation phase as effective as possible. Enterprise Architecture (EA) is a way to design and communicate the desired organizational changes related to the business strategy and to implement these changes across the operational structures, processes and systems of the organization’s business and IT domain. Study on depicting enterprises’ architecture, including IT landscapes, is extensive. Although several researches have extensively elaborated on the enterprise architecture (e.g. comprehensiveness of the EA and maturity of EA development processes), the transformation phase has received little attention, especially on migrating from baseline architecture to target architecture. Therefore, this thesis aims to improve further on the enterprise architecture transformation, by focusing on the development of roadmap plan. The roadmap plan is intended to help visualize the alternative/possible paths of going from baseline architecture to target architecture. The thesis identifies and analyses problems of the current guideline and support provided by EA framework, EA modeling language and selected existing EA tools. TOGAF and ArchiMate have been selected as the EA framework and modeling language, respectively, for their wide implementation in the industry and access openness to public. BiZZdesign Architect is used as the main EA tool of reference due to its certified alignment to the standards (TOGAF and ArchiMate). Two problems have been selected to be further addressed: (1) aggregating to a relation problem and (2) consolidated gaps, solutions and interdependency matrix problem. The first problem derives from the fact that the existing ArchiMate definition of the plateau concept does not allow a relationship between two components to be aggregated (included) to the plateau. In practice, this condition is needed to show that the interactions among components, that are valid to a certain plateau, could also be valid and need explicit aggregation representation. The second problem is about the lack of clarity in dealing with the Consolidated Gaps, Solutions, and Dependencies matrix as described in the EA framework. The matrix is used as a planning tool when creating the work package. Although the actual matrix has been provided, the approach of how to prioritize the work packages could be made more concrete. The thesis proposes solutions, or so called artifacts, to address these two selected problems. The first artifact is the extension or modification to plateau concept definition in ArchiMate. It accommodates the necessity of having aggregation relationship between the plateau and the relationship among the components belonging to the plateau. The second artifact is the gaps portfolio valuation in the form of 7-step approach. The approach is proposed to help the process of making the consolidated gaps, solutions and interdependency matrix more concrete. The end ii result of the approach is the prioritized groups of the gap components which need to be closed by the enterprise in order to reach its target architecture. The proposed approach is applied by means of a case study demonstration. ArchiSurance case study is used for the demonstration of the second artifact: gaps portfolio valuation. As for the evaluation purpose, three experts are consulted for their knowledge and opinion about the proposed solutions. Among the evaluation criteria used are correctness, completeness, feasibility, ease of understanding, and usefulness. In general, the experts agree that the solutions are needed in practice and provide sufficient level of correctness and completeness. Several remarks are given to further improve the solutions, such as treating relationship as a concept to avoid the complexity and confusion of ternary relationship. Finally, the thesis provides both academic and industrial contributions by proposing solutions which deal with both conceptual and practical concerns. iii Table of Contents Acknowledgements...................................................................................... i Executive Summary .................................................................................... ii Table of Contents ....................................................................................... iv List of Figures ............................................................................................ vii List of Tables ............................................................................................... x 1 Introduction .............................................................................................. 1 1.1 Problem Statement ............................................................................................................1 1.2 Research Goal...................................................................................................................3 1.3 Research Questions ..........................................................................................................3 1.4 Research Methodology ......................................................................................................4 1.5 Thesis Structure ................................................................................................................7 2 Theoretical Framework ............................................................................ 8 2.1 Key Concepts Definitions ...................................................................................................8 2.2 Key User of Enterprise Architecture Transformation ..........................................................9 2.3 Guidelines of Enterprise Architecture Transformation ......................................................13 2.3.1 TOGAF on EA Transformation ..................................................................................14 2.3.2 Archimate - Implementation & Migration Extension ...................................................20 2.4 Portfolio Valuation ...........................................................................................................25 2.5 Summary .........................................................................................................................30 3 Current EA Supports and Limitations.................................................. 31 3.1 Roadmaps Visualization Support by EA Tools .................................................................31 3.1.1 IBM - Rational System Architect ................................................................................33
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