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Proceedings Paper

Integrating concast and multicast communication models
Author(s): Su Wen; James Griffioen; Rajendra Yavatkar
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Paper Abstract

This paper defines a new group communication model called concast communication. Being the counterpart to multicast, concast involves multiple senders transmitting to a single receiver. Concast communication is used in a wide range of applications including collaborative applications, report-in style applications, or just end-to-end acknowledgements in a reliable multicast protocol. This paper explores the issues involved in designing concast communication services. We examine various message combination methods including concatenation, compression, and reduction to reduce the traffic loads imposed on the network and packet implosion at the receiver. Group management operations such as group creation/deletion, joining/leaving, and concast routing are discussed. We also address transmission issues such as reliable delivery, flow control, congestion control, and QoS. We conclude the paper by presenting a concast communication model that we have been developing in the context of TMTP5. The model uses concast communication to implement reliable multicast and it shares concast trees with the multicast group whenever possible to reduce overhead costs.

Paper Details

Date Published: 16 December 1998
PDF: 11 pages
Proc. SPIE 3529, Internet Routing and Quality of Service, (16 December 1998); doi: 10.1117/12.333705
Show Author Affiliations
Su Wen, Univ. of Kentucky (United States)
James Griffioen, Univ. of Kentucky (United States)
Rajendra Yavatkar, Intel Corp. (United States)


Published in SPIE Proceedings Vol. 3529:
Internet Routing and Quality of Service
Raif O. Onvural; Seyhan Civanlar; Paul J. Doolan; Seyhan Civanlar; Paul J. Doolan; James V. Luciani; James V. Luciani, Editor(s)

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