Strategic IT Management A Toolkit for Enterprise Architecture Manage
For you as an IT manager, changes in business models and fast-paced innovation and product lifecycles pose a big challenge: you are required to anticipate the impact of future changes, and to make rapid decisions backed up by solid facts. To be successful
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Inge Hanschke
Strategic IT Management A Toolkit for Enterprise Architecture Management
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Inge Hanschke iteratec GmbH Inselkammerstr. 4 82008 München Germany [email protected]
Figure Drawings by Frank Fischer, Ottobrunn
ISBN 978-3-642-05033-6 e-ISBN 978-3-642-05034-3 DOI 10.1007/978-3-642-05034-3 Springer Heidelberg Dordrecht London New York Library of Congress Control Number: 2009939716 ACM Computing Classification (1998): K.6, J.1, H.4, C.0, D.2 © Springer-Verlag Berlin Heidelberg 2010 English Translation from the German edition: Strategisches Management der IT-Landschaft Ein praktischer Leitfaden für das EnterpriseArchitecture Management by Inge Hanschke © 2009 Carl Hanser Verlag München All Rights Reserved. This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilm or in any other way, and storage in data banks. Duplication of this publication or parts thereof is permitted only under the provisions of the German Copyright Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer. Violations are liable to prosecution under the German Copyright Law. The use of general descriptive names, registered names, trademarks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. Cover design: KuenkelLopka GmbH, Heidelberg Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com)
Preface
Changes in business models and faster-paced innovation and product lifecycles pose a big challenge to IT managers – who are already tasked with keeping operations running reliably. You have to anticipate the impact of changes taking shape ahead, and take decisions rapidly, backing your choices by solid fact. To do this, you need an overall perspective of how business and IT interact. This is exactly where a toolkit for strategic management of the IT landscape can help, by building greater transparency into the current IT landscape and making explicit its contribution to the business success of the enterprise. The enterprise strategy and business requirements are cascaded into requirements for IT: an ongoing process that entails building a picture of the target architecture, designing implementation plans and managing the process for taking plans into action. Right from the start, the toolkit must enable management of the enterprise from a helicopter viewpoint and accommodate every aspect of the enterprise architecture: business and IT structures, processes and organisation, as well as software support. Yet it also has to be introduced in achievable stages that deliver tangible success. Senior management, business departments and IT teams all have to be convinced by success. Only if its value is apparent wil
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