The multimedia multicasting problem |
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Authors: | Joseph C. Pasquale George C. Polyzos George Xylomenos |
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Affiliation: | (1) Computer Systems Laboratory, Department of Computer Science and Engineering, University of California, San Diego, La Jolla, CA 92093-0114, USA; e-mail: {pasquale,polyzos,xgeorge}@cs.ucsd.edu , US |
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Abstract: | This paper explores the problems associated with the multicasting of continuous media to support multimedia group applications. The interaction between multicasting and the delivery of multiple time-correlated continuous-media streams with real-time delay requirements poses various new and interesting problems in research on communication protocols and architectures. We describe these problems, and identify where the opportunities are for effective solutions, all in the context of providing an overview of the current state of research in multimedia multicasting. The issues we discuss include quality of service, resource reservations, routing, error and traffic control, heterogeneity, and the use of hierarchical coding and open-loop control techniques. |
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Keywords: | :Multipoint communication – Interactive group communication – Multimedia conferencing – Continuous media |
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