Marks_FM_I_1 07/08/2008 Service-Oriented Architecture Governance for the Services Driven Enterprise ERIC A MARKS John Wiley & Sons, Inc Marks_FM_I_1 07/08/2008 Service-Oriented Architecture Governance for the Services Driven Enterprise Marks_FM_I_1 07/08/2008 Marks_FM_I_1 07/08/2008 Service-Oriented Architecture Governance for the Services Driven Enterprise ERIC A MARKS John Wiley & Sons, Inc Marks_FM_I_1 07/08/2008 This book is printed on acid-free paper  Copyright # 2008 by Eric A Marks All rights reserved Published by John Wiley & Sons, Inc., Hoboken, New Jersey Published simultaneously in Canada No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning, or otherwise, except as permitted under Section 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, Inc., 222 Rosewood Drive, Danvers, MA 01923, 978-750-8400, fax 978-646-8600, or on the Web at www.copyright.com Requests to the Publisher for permission should be addressed to the Permissions Department, John Wiley & Sons, Inc., 111 River Street, Hoboken, NJ 07030, 201-748-6011, fax 201-748-6008, or online at http://www.wiley.com/go/permissions Limit of Liability/Disclaimer of Warranty: While the Publisher and author have used their best efforts in preparing this book, they make no representations or warranties with respect to the accuracy or completeness of the contents of this book and specifically disclaim any implied warranties of merchantability or fitness for a particular purpose No warranty may be created or extended by sales representatives or written sales materials The advice and strategies contained herein may not be suitable for your situation You should consult with a professional where appropriate Neither the publisher nor author shall be liable for any loss of profit or any other commercial damages, including but not limited to special, incidental, consequential, or other damages For general information on our other products and services, or technical support, please contact our Customer Care Department within the United States at 800-7622974, outside the United States at 317-572-3993, or fax 317-572-4002 Wiley also publishes its books in a variety of electronic formats Some content that appears in print may not be available in electronic books For more information about Wiley products, visit our Web site at http://www.wiley.com Library of Congress Cataloging-in-Publication Data: Marks, Eric A Service-oriented architecture governance for the services driven enterprise / Eric A Marks p cm Includes index ISBN 978-0-470-17125-7 (cloth) Business enterprises–Computer networks–Management Information technology–Management I Title HD30.2.M374 2008 658–dc22 2008017691 Printed in the United States of America 10 Marks_FM_I_1 07/08/2008 Dedication T his book is dedicated to two special Fathers in my life: Nicholas Dardeno and Lyle Thomas Marks v Marks_FM_I_1 07/08/2008 Marks_FM_I_1 07/08/2008 Contents Preface xiii Acknowledgments xxi CHAPTER The SOA Governance Imperative The Inevitable SOA Trend Introduction to Governance Introduction to Enterprise SOA Governance Governance and Resource Management and Allocation Do Not Confuse Governance with Management Governance Is About Results and Appropriate Use of Resources Information Technology Governance IT Process Frameworks: ITIL, COBIT, CMMI, and Others IT Governance Approaches Who Are the SOA Stakeholders? Addressing SOA Stakeholder Biases SOA Governance Impacts IT Governance and Enterprise Architecture SOA Governance Requirements Vary by SOA Maturity SOA Bill of Rights Pursue the ‘‘Right’’ SOA Strategy Apply SOA to the ‘‘Right’’ Challenges Identify and Build the ‘‘Right’’ Services Build Your Services the ‘‘Right’’ Way (Design-Time Governance) Get Your SOA Tools Platform ‘‘Right’’ Create the ‘‘Right’’ Organizational, Cultural, and Behavioral Model 1 10 11 11 12 13 15 17 18 20 23 24 25 25 26 28 29 vii Marks_FM_I_1 07/08/2008 viii CONTENTS Achieve the ‘‘Right’’ SOA Results Establish the ‘‘Right’’ SOA Governance Model and Policies Common SOA Governance Mistakes Right-Sized SOA Governance: How Much Governance Do We Need? Summary CHAPTER SOA Governance Reference Model Why an SOA Governance Reference Model? Elements of the SOA Governance Reference Model Decomposing the SOA Governance Reference Model SOA Environmental Dimensions Applying the SOA Governance Reference Model Summary CHAPTER Four Tiers of SOA Governance Expanded Four Tiers of Governance Tier 1: Enterprise/Strategic Governance Tier Tier 2: SOA Operating Model Governance Tier Tier 3: SOA and Services Development Lifecycle Tier Tier 4: SOA Governance Enabling Technology Tier Summary CHAPTER Organizing Your SOA Governance Toolkit SOA Governance Assessment Tools SOA Maturity Assessments Governance Model Design Tools Policy Model Governance and Policy Enforcement Model Governance Execution Model Summary CHAPTER SOA Governance Model Design Process Governance Model Design Prerequisites Governance Model Validation, Refinement, and Implementation Planning 30 31 33 37 37 39 40 41 44 55 58 62 65 67 68 79 92 99 100 103 104 104 121 126 127 141 146 147 148 168 ... 07/08 /2008 Service- Oriented Architecture Governance for the Services Driven Enterprise ERIC A MARKS John Wiley & Sons, Inc Marks_FM_I_1 07/08 /2008 Service- Oriented Architecture Governance for the. .. Governance for the Services Driven Enterprise Marks_FM_I_1 07/08 /2008 Marks_FM_I_1 07/08 /2008 Service- Oriented Architecture Governance for the Services Driven Enterprise ERIC A MARKS John Wiley & Sons,... organization’s enterprise architecture to include concepts of services, both logical and physical descriptions of services, as well as the required SOA infrastructure and tools, and the SOA platform for service