Security
This chapter deals with the security aspect in multimedia systems. We will begin with a discussion of the term security, as opposed to the term failure safety. As mentioned in other chapters, no arbitrary combination of media deserves the term multimedia.
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Springer-Verlag Berlin Heidelberg GmbH
Ralf Steinmetz Klara N ahrstedt
Multimedia Applications With 77 Figures
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Springer
Ralf Steinmetz Technische Universitat Darmstadt KOM Merckstr. 25 64238 Darmstadt, Germany ralf. [email protected] Klara N ahrstedt University of Illinois Department of Computer Science 1304 West Springfield Avenue Urbana, IL 61801 [email protected]
ISSN 1612-1449 ISBN 978-3-642-07410-3 ISBN 978-3-662-08876-0 (eBook) DOI 10.1007/978-3-662-08876-0 Library of Congress Cataloging-in-Publication-Data applied for Bibliographic information published by Die Deutsche Bibliothek Die Deutsche Bibliothek lists this publication in the Deutsche Nationalbibliografie; detailed bibliographic data is available in the Internet at . 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-Verlag Berlin Heidelberg GmbH. Violations are liable for prosecution under the German Copyright Law. springeronline.com © Springer-Verlag Berlin Heidelberg 2004 Originally published by Springer-Verlag Berlin Heidelberg New York in 2004 Softcover reprint of the hardcover 1st edition 2004
The use of general descriptive 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: KiinkelLopka, Heidelberg Typesetting: Camera-ready by the authors Printed on acid-free paper 33/3l42GF - 54321 0
Preface
M
ultimedia Applications and Systems are an increasingly common part of our everyday lives-emerging mobile terminals which can display pictures and video data, DVD players in the home, downloadable games, streaming in the Internet, radio stations on the World Wide Web-are just a few examples. These applications and systems are becoming an integral part of our heterogeneous computing and communication environment. Over the last decade, we have experienced an explosive growth of multimedia computing, communication, and applications (World Wide Web, conferencing, digital entertainment, etc.) which provide not just text and images but also video, audio, and other continuous media. In the future, all computers and networks will contain multimedia devices. They will also require appropriate processing and communication support to provide seamless and Ubiquitous services for the relevant multimedia applications. This book is one of three closely related volumes which aim to cover the whole area of multimedia technology and its applications: The first volume (Ralf Steinmetz, Klara Nahrstedt, "Multimedi
