Efficient Group Coordination in Multicast Trees |
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Authors: | Dommel H.-P. Garcia-Luna-Aceves J. J. |
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Affiliation: | (1) Computer Engineering Department, Santa Clara University, Santa Clara, CA 95053, USA;(2) Computer Engineering Department, School of Engineering, University of California, Santa Cruz, CA 95064, USA |
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Abstract: | The majority of today's Internet applications relies on point-to-point communication. In recent years, however, multipoint communication support has become the foundation for such applications as multiparty video conferencing, distributed interactive simulations, and collaborative systems. We describe a novel protocol to coordinate multipoint groupwork within the IP-multicast framework. The protocol supports Internet-wide coordination for large and highly-interactive groupwork, relying on the dissemination of coordination directives among group members across a shared end-to-end multicast tree. We also describe how addressing extensions to IP multicast can be used for our multisite coordination mechanism. |
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Keywords: | group coordination tree-based multicast process coordination multiparty collaboration |
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