A multicast scheduling mechanism to support less loss ratio for frequently used multicast service in multicast switch

Authors:
YoungHwan Kwon;Bok Rae Jung;Elaine Wong;Jun Kyun Choi
Affiliations:
The School of Engineering, Information and Communications University, DaeJeon, Republic of Korea;The School of Engineering, Information and Communications University, DaeJeon, Republic of Korea;The Department of Electrical and Electronics, The University of Melbourne, Melbourne, Australia;The School of Engineering, Information and Communications University, DaeJeon, Republic of Korea
Venue:
ICOIN'09 Proceedings of the 23rd international conference on Information Networking
Year:
2009

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Abstract

This paper proposes a multicast scheduling mechanism to support the less packet loss for frequently used multicast services, so that it is possible to satisfy a number of users who are invoking for those services. A multicast switch on a multicast delivery path copies an input multicast packet to multiple output packets to send them to multiple destinations. When input multicast packets contend with other input multicast packets because of limited output ports, the multicast node selects some of the input multicast packets with the copy number of the multicast packets. By doing so, the proposed multicast scheduling mechanism supports more favorite multicast service with low packet loss. It means that frequently used multicast service is supported with better quality because the packet loss severely affects the quality of multimedia service.