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Congestion Control Protocol Based on Delay Parameters for Layered Multicast Communication

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4 Author(s)
Bian Jing ; Dept. of Scientific Computing & Computer Application, Zhongshan University, Guangzhou Guangdong, 510275, China. ; Wang Ze-qiang ; Ke Hao-he ; Zhang Guang-zhao

This paper focuses on the congestion control mechanism to be used in receiver-driven layered multicast. Since delay infers the transmission performances of jitter, bandwidth and throughput, it is necessary to concern delay properties in real-time multimedia transmission. In this paper, by analyzing the relationship between arrival delay intervals and network congestion, the congestion control parameter Interval_vari is obtained. By using delay parameters SRdeg and SRdet , the path's available bandwidth can be estimated for the decision of layer join. By using the available bandwidth estimation results, Interval_vari and the packet-loss event Lostdeg, a new layered multicast congestion control protocol BDP is proposed. The ns2 simulation results show that BDP can achieve scalability, stability, fast convergence and TCP-fairness.

Published in:

2006 International Conference on Communication Technology

Date of Conference:

27-30 Nov. 2006