SBQ: a simple scheduler for fair bandwidth sharing between unicast and multicast flows

Authors:
Fethi Filali;Walid Dabbous
Affiliations:
INRIA, Sophia-Antipolis Cedex, France;INRIA, Sophia-Antipolis Cedex, France
Venue:
QofIS'02/ICQT'02 Proceedings of the 3rd international conference on quality of future internet services and internet charging and QoS technologies 2nd international conference on From QoS provisioning to QoS charging
Year:
2002

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Abstract

In this paper, we propose a simple scheduler called SBQ (Service-Based Queuing) to share the bandwidth fairly between unicast and multicast flows according to a new definition of fairness referred as the inter-service fairness. We utilize our recently proposed active queue management mechanism MFQ (Multicast Fair Queuing) to fairly share the bandwidth among all competing flows in the multicast queue. The simulation results obtained for very heterogeneous sources and links characteristics suggest that, on the one hand, our scheduler achieves the expected aggregated bandwidth sharing among unicast and multicast service, and on the other hand the multicast flows remain TCP-friendly.