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Title: QoS adaptation in multimedia multicast conference applications for e-learning services
Authors: Deusdado, Sérgio
Carvalho, Paulo
Keywords: e-learning
Adptive multicast
Issue Date: 2008
Publisher: IGI Global, Information Science Reference
Citation: Deusdado, Sérgio; Carvalho, Paulo (2008) - QoS adaptation in multimedia multicast conference applications for e-learning services. In Rahman, Syed Mahbubur (ed.) Multimedia Technologies: Concepts, Methodologies, Tools, and Applications. Vol. 3. Hershey: Information Science Reference. p. 1409-1421. ISBN 978-1-59904-953-3
Abstract: Tolerant real-time applications, such as video conferences, are in the frontline to benefit from QoS adaptation. However, not all include adaptive technology able to provide both end-system and network quality awareness. Adaptation, in these cases, can be achieved by introducing a multiplatform middleware layer responsible for tutoring the applications’ resources (enabling adjudication or limitation) based on the available processing and networking capabilities. Congregating these technological contributions, an adaptive platform has been developed integrating public domain multicast tools, applied to a Web-based distance learning system. The system is user-centered (estudent), aiming at good pedagogical practices and proactive usability for multimedia and networkresources. The services provided, including QoS adapted interactive multimedia multicast conferences (MMC), are fully integrated and transparent to end-users. QoS adaptation, when treated systematically in tolerant real-time applications, denotes advantages in group scalability and QoS sustainability in heterogeneous and unpredictable environments such as the Internet.
Peer review: yes
ISBN: 978-1-59904-953-3
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Appears in Collections:CSE - Capítulos de Livros

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