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Multimedia Systems discusses the basic characteristics of multimedia operating systems, networking and communication, and multimedia middleware systems. The overall goal of the book is to provide a broad understanding of multimedia systems and applications in an integrated manner: a multimedia application and its user interface must be developed in an integrated fashion with underlying multimedia middleware, operating systems, networks, security, and multimedia devices. Fundamental characteristics of multimedia operating and distributed communication systems are presented, especially scheduling algorithms and other OS supporting approaches for multimedia applications with soft-real-time deadlines, multimedia file systems and servers with their decision algorithms for data placement, scheduling and buffer management, multimedia communication, transport, and streaming protocols, services with their error control, congestion control and other Quality of Service aware and adaptive algorithms, synchronization services with their skew control methods, and group communication with their group coordinating algorithms and other distributed services.
The volume contains the papers presented at the fifth working conference on Communications and Multimedia Security (CMS 2001), held on May 21-22, 2001 at (and organized by) the GMD -German National Research Center for Information Technology GMD - Integrated Publication and Information Systems Institute IPSI, in Darmstadt, Germany. The conference is arranged jointly by the Technical Committees 11 and 6 of the International Federation of Information Processing (IFIP) The name "Communications and Multimedia Security" was first used in 1995, Reinhard Posch organized the first in this series of conferences in Graz, Austria, following up on the previously national (Austrian) "IT Sicherheit" conferences held in Klagenfurt (1993) and Vienna (1994). In 1996, the CMS took place in Essen, Germany; in 1997 the conference moved to Athens, Greece. The CMS 1999 was held in Leuven, Belgium. This conference provides a forum for presentations and discussions on issues which combine innovative research work with a highly promising application potential in the area of security for communication and multimedia security. State-of-the-art issues as well as practical experiences and new trends in the areas were topics of interest again, as it has already been the case at previous conferences. This year, the organizers wanted to focus the attention on watermarking and copyright protection for e commerce applications and multimedia data. We also encompass excellent work on recent advances in cryptography and their applications. In recent years, digital media data have enormously gained in importance."
Multimedia Applications discusses the basic characteristics of multimedia document handling, programming, security, human computer interfaces, and multimedia application services. The overall goal of the book is to provide a broad understanding of multimedia systems and applications in an integrated manner: a multimedia application and its user interface must be developed in an integrated fashion with underlying multimedia middleware, operating systems, networks, security, and multimedia devices. Fundamental information and properties of hypermedia document handling, multimedia security and various aspects of multimedia applications are presented, especially about document handling and their standards, programming of multimedia applications, design of multimedia information at human computer interfaces, multimedia security challenges such as encryption and watermarking, multimedia in education, as well as multimedia applications to assist preparation, processing and application of multimedia content.
Peer-to-peer systems are now widely used and have become the focus of attention for many researchers over the past decade. A number of algorithms for decentralized search, content distribution, and media streaming have been developed. This book provides fundamental concepts for the benchmarking of those algorithms in peer-to-peer systems. It also contains a collection of characteristic benchmarking results. The chapters of the book have been organized in three topical sections on: Fundamentals of Benchmarking in P2P Systems; Synthetic Benchmarks for Peer-to-Peer Systems; and Application Benchmarks for Peer-to-Peer Systems. They are preceded by a detailed introduction to the subject.
The volume contains the papers presented at the fifth working conference on Communications and Multimedia Security (CMS 2001), held on May 21-22, 2001 at (and organized by) the GMD -German National Research Center for Information Technology GMD - Integrated Publication and Information Systems Institute IPSI, in Darmstadt, Germany. The conference is arranged jointly by the Technical Committees 11 and 6 of the International Federation of Information Processing (IFIP) The name "Communications and Multimedia Security" was first used in 1995, Reinhard Posch organized the first in this series of conferences in Graz, Austria, following up on the previously national (Austrian) "IT Sicherheit" conferences held in Klagenfurt (1993) and Vienna (1994). In 1996, the CMS took place in Essen, Germany; in 1997 the conference moved to Athens, Greece. The CMS 1999 was held in Leuven, Belgium. This conference provides a forum for presentations and discussions on issues which combine innovative research work with a highly promising application potential in the area of security for communication and multimedia security. State-of-the-art issues as well as practical experiences and new trends in the areas were topics of interest again, as it has already been the case at previous conferences. This year, the organizers wanted to focus the attention on watermarking and copyright protection for e commerce applications and multimedia data. We also encompass excellent work on recent advances in cryptography and their applications. In recent years, digital media data have enormously gained in importance.
Multimedia Applications discusses the basic characteristics of multimedia document handling, programming, security, human computer interfaces, and multimedia application services. The overall goal of the book is to provide a broad understanding of multimedia systems and applications in an integrated manner: a multimedia application and its user interface must be developed in an integrated fashion with underlying multimedia middleware, operating systems, networks, security, and multimedia devices. Fundamental information and properties of hypermedia document handling, multimedia security and various aspects of multimedia applications are presented, especially about document handling and their standards, programming of multimedia applications, design of multimedia information at human computer interfaces, multimedia security challenges such as encryption and watermarking, multimedia in education, as well as multimedia applications to assist preparation, processing and application of multimedia content.
Multimedia Systems discusses the basic characteristics of multimedia operating systems, networking and communication, and multimedia middleware systems. The overall goal of the book is to provide a broad understanding of multimedia systems and applications in an integrated manner: a multimedia application and its user interface must be developed in an integrated fashion with underlying multimedia middleware, operating systems, networks, security, and multimedia devices. Fundamental characteristics of multimedia operating and distributed communication systems are presented, especially scheduling algorithms and other OS supporting approaches for multimedia applications with soft-real-time deadlines, multimedia file systems and servers with their decision algorithms for data placement, scheduling and buffer management, multimedia communication, transport, and streaming protocols, services with their error control, congestion control and other Quality of Service aware and adaptive algorithms, synchronization services with their skew control methods, and group communication with their group coordinating algorithms and other distributed services.
Starting with Napster and Gnutella, peer-to-peer systems became an integrated part of the Internet fabric attracting millions of users. According to recent evaluations, peer-to-peer traffic now exceeds Web traffic, once the dominant traffic on the Internet. While the most popular peer-to-peer applications remain file sharing and content distribution, new applications such as Internet telephony are emerging. Within just a few years, the huge popularity of peer-to-peer systems and the explosion of peer-to-peer research have created a large body of knowledge, but this book is the first textbook-like survey to provide an up-to-date and in-depth introduction to the field. This state-of-the-art survey systematically draws together prerequisites from various fields, presents techniques and methodologies in a principled and coherent way, and gives a comprehensive overview on the manifold applications of the peer-to-peer paradigm. Leading researchers contributed their expert knowledge to this book, each in his/her own specific area. Lecturers can choose from the wide range of 32 tightly integrated chapters on all current aspects of P2P systems and applications, and thus individually tailor their class syllabi. R&D professionals active in P2P will appreciate this book as a valuable source of reference and inspiration.
This book constitutes the refereed proceedings of the 9th International Workshop on Quality of Service, IWQoS 2001, held in Karlsruhe, Germany, in June 2001.The 24 revised full papers presented together with six short papers and two abstracts of invited contributions were carefully reviewed and selected from a total of close to 150 submissions. The papers are organized in topical sections on provisioning and pricing, systems QoS, routing, TCP related issues, wireless and mobile networking, aggregation and active networks based QoS, scheduling and dropping, and scheduling and admission control.
This book constitutes the refereed proceedings of the 4th International Workshop on Interactive Distributed Multimedia Systems and Telecommunication Services, IDMS'97, held in Darmstadt, Germany, in September 1997. The 41 revised full papers presented in the book were selected from over 100 submissions. The papers are organized in sections on media coding and content processing, development and interoperability, on-demand systems, multicast and FEC, video server and systems, video transmission, production and authoring, multimedia applications, mobility, CSCW and system performance, MM communication over ATM networks, CSCW and teleteaching, QoS for media presentations, QoS and scaling.
This volume contains the proceedings of the Second International
Workshop on Advanced Teleservices and High-Speed Communication
Architectures (IWACA '94), held in Heidelberg, Germany in September
1994.
In dem Buch Multimedia-Technologie werden Grundlagen, Komponenten
und Systeme multimedialer Datenverarbeitung beschrieben. In diesem
Werk werden die integrierte digitale Speicherung, Kommunikation,
Verarbeitung und Darstellung kontinuierlicher (z.B. Audio, Video)
und diskreter Mediendaten (z.B. Grafik, Text) umfassend erlAutert.
Schwerpunkte bilden Kompressionsverfahren, optische Speicher,
Medienserver, DienstgA1/4te, Kommunikation, Dokumente, Design und
Sicherheitsaspekte bei multimedialen Systemen.
Das erfolgreiche Kompendium umfasst die neuesten Entwicklungen auf dem Gebiet der multimedialen Datenverarbeitung. Im Mittelpunkt stehen Kompressionsverfahren, optische Speicher, Medienserver, Kommunikation, Dokumente, Design und Sicherheitsaspekte. Die systematische Einfuhrung macht es leicht, multimediale Technologien, Standards und Produkte zu verstehen und einzuordnen. Wer ein umfassendes Kompendium...sucht, ist mit diesem betont nuchternen und darum begrifflich klaren Buch gut bedient. (screen Multimedia)
Dieses Buch bietet eine offene objektorientierte Losung fur die
Entwicklung verteilter Multimedia-Applikationen. Es geht
insbesondere um die Systemunterstutzung "Distributed Multimedia
Object Services" (DMOS), mit der sich die Komplexitat multimedialer
Anwendungen reduzieren lasst. DMOS bildet eine Plattform, die
multimediale Anwendungen zur Entwicklungs- und Laufzeit
unterstutzt. Hierdurch wird die Verarbeitung zeitabhangiger Medien
wie Ton und Bewegtbild in einer verteilten Systemumgebung
ermoglicht. Da DMOS-Objekte dem Industriestandard CORBA (Common
Object Request Broker Architecture) der Open Management Group
entsprechen, lassen sich die mit dieser Systemunterstutzung
entwickelten multimedialen Module leicht in unterschiedlichste
Anwendungen und Rechnerumgebungen integrieren.
Die Informationstechnologie im Zeitalter nach Gutenberg bedeutet
neue Herausforderungen fur Autoren, Journalisten und
Medienschaffende jeglicher Provenienz. Das Buch vermittelt
praxisnah und beispielorientiert das grundlegende Wissen, wie
Artikel, Bucher, Zeitschriften online oder offline konzipiert und
realisiert werden. Dabei wird insbesondere gezeigt, wie im Internet
selbst Moglichkeiten der Unterstutzung bei der Realisierung genutzt
werden konnen.
Das Buch zeigt, wie das WWW fur den Aufbau eines unternehmensweiten
Informationssystems genutzt wird, uber das der Mitarbeiter einfach
auf alle relevanten Informationsressourcen zugreifen kann. Es
analysiert prazise die Starken und Schwachen des World Wide Web im
betrieblichen Einsatz. Daraus wird eine mehrschichtige Architektur
betrieblicher WWW-Informationssysteme abgeleitet sowie ein
Vorgehensmodell zur Durchfuhrung erfolgreicher WWW-Projekte
entwickelt. Das Buch beantwortet viele Fragen, mit denen
IT-Abteilungen konfrontiert sind und eignet sich als Leitfaden bei
der Umsetzung konkreter WWW-Projekte.
Im Rahmen des Workshops "Sicherheit in Mediendaten" wurden aktuelle Ansatze auf diesem Gebiet vorgestellt, und Fragen der Anwendbarkeit, Sicherheit und Qualitatsgute diskutiert. Zielsetzung war, erfahrene Wissenschaftler, Entwickler und Anwender aus Industrie und Forschung zu einer State-of-the-Art Bestandsaufnahme der Situation Multimedia und Security zusammenzubringen und die Ergebnisse in diesem Tagungsband zu prasentieren."
Die KiVS als "die "deutschsprachige Konferenz im Bereich der
"Kommunikation in Verteilten Systemen" befasst sich mit allen
Aspekten der verteilten Systeme, den Anwendungen verteilter Systeme
sowie den zugrunde liegenden Kommunikationstechnologien.
Das Buch wendet sich an Anwender und Entwickler sowie Dozenten und Studenten, die sich mit dem Einsatz von digitalem Video und der auftretenden Problematik von Sicherheit und Vertraulichkeit beschaftigen. Der Bogen wird gespannt von Videokonferenzen uber das Internet mit offenem und geschlossenem Benutzerkreis, dem digitalen Fernsehen mit den Moeglichkeiten fur Pay-TV-Szenarien bis hin zu Internet- und WWW-Applikationen, die digitales Video einsetzen. Es werden die dort eingesetzten Verfahren erlautert, auftretende Probleme aufgezeigt und die Loesungen dafur vorgestellt. Ein Schwerpunkt bildet hierbei die Betrachtung von skalierbaren Videostroemen, welche in zukunftigen Videoanwendungen eine wichtige Rolle spielen werden. Ebenso geht das Buch auf die Datensicherheit ein und stellt die fur Videodaten geeigneten kryptographischen Methoden vor. Es beschreibt die speziell an das Medium Video angepassten Verschlusselungskonzepte, mit besonderem Augenmerk auf der Skalierbarkeit der vorgestellten Methoden.
Ausgehend von den Grundlagen der Netzwerksicherheit stellen die Autoren die unterschiedlichen Sicherheitsaspekte bei der UEbertragung von Daten und die einschlagigen Software- und Hardwareloesungen dar. In diesem Kontext werden auch Firewall-Konzepte behandelt. Heute gebrauchliche Verschlusselungsverfahren wie etwa PGP und PEM werden auf ihre Eignung bei Anwendungen untersucht. Der Leser lernt ausserdem, wie er mit Watermarking und Signaturen Copyrights auf Bilder, Video und Audio erzeugen und auswerten kann. Zudem diskutieren die Autoren ausfuhrlich die Sicherheitsprobleme elektronischer Zahlungssysteme und vergleichen dabei mehrere im Test befindliche Systeme.
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