The cloud at your service.pdf

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Cloud

contents

Chapter 1 What is cloud computing?

Chapter 2 Understanding cloud computer classifications

Chapter 3 The business case for cloud computing

Chapter 4 Security and the private cloud

Chapter 5 Designing and architecting for cloud scale

Chapter 6 Achieving high reliability at cloud scale

Chapter 7 Testing, deployment, and operations in the cloud

Chapter 8 Practical considerations

Chapter 9 Cloud 9: the future of the cloud

Appendix: Information security refresher

Index

The when, how, and why of enterprise cloud computing Jothy Rosenberg Arthur Mateos FOREWORD BY ANNE THOMAS MANES M A N N I N G

The Cloud at Your Service

The Cloud at Your Service The when, how, and why of enterprise cloud computing JOTHY ROSENBERG ARTHUR MATEOS M A N N I N G Greenwich (74° w. long.)

For online information and ordering of this and other Manning books, please visit www.manning.com. The publisher offers discounts on this book when ordered in quantity. For more information, please contact: Special Sales Department Manning Publications Co. 180 Broad St. Suite 1323 Greenwich, CT 06830 Email: orders@manning.com ©2011 by Manning Publications Co. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by means electronic, mechanical, photocopying, or otherwise, without prior written permission of the publisher. Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in the book, and Manning Publications was aware of a trademark claim, the designations have been printed in initial caps or all caps. Recognizing the importance of preserving what has been written, it is Manning’s policy to have the books we publish printed on acid-free paper, and we exert our best efforts to that end. Recognizing also our responsibility to conserve the resources of our planet, Manning books are printed on paper that is at least 15% recycled and processed without the use of elemental chlorine. Manning Publications Co. Sound View Court 3B Greenwich, CT 06830 Development editor: Emily Macel Copyeditor: Composure Graphics Composition: Composure Graphics Cover designer: Marija Tudor ISBN: 9781935182528 Printed in the United States of America 1 2 3 4 5 6 7 8 9 10 – MAL – 15 14 13 12 11 10

brief contents 1 What is cloud computing? 1 2 Understanding cloud computing classiﬁcations 18 3 The business case for cloud computing 50 4 Security and the private cloud 72 5 Designing and architecting for cloud scale 100 6 Achieving high reliability at cloud scale 131 7 8 Practical considerations 169 9 Cloud 9: the future of the cloud 188 Testing, deployment, and operations in the cloud 148 v

contents 1 foreword xiii preface xv acknowledgments xvii about this book xix What is cloud computing? 1 1.1 Five main principles that deﬁne cloud computing 3 Pooled computing resources 3 Virtualization of compute resources 4 Elasticity as resource demands grow and shrink 5 Automation of new resource deployment 5 Metered billing that charges only for what you use 6 1.2 Beneﬁts that can be garnered from moving to the cloud 6 Economic benefits of the change from capital to operational expenses 6 Agility benefits from not having to procure and provision servers 7 Efficiency benefits that may lead to competitive advantages 7 Security stronger and better in the cloud 8 1.3 Evolution of IT leading to cloud computing 8 Origin of the “cloud” metaphor 8 Major computing paradigm shifts: mainframes to client-server to web 10 Housing of physical computing resources: data center evolution 11 Software componentization and remote access: SOA, virtualization, and SaaS 12 vii

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