Bit-rate adaptation flow control and client-based congestion control for multimedia-on-demand

Siu-Ping Chan; Chi-Wah Kok

doi:10.1117/12.502858

23 June 2003 Bitrate adaptation flow control and client-based congestion control for multimedia-on-demand

Siu-Ping Chan, Chi-Wah Kok

Proceedings Volume 5150, Visual Communications and Image Processing 2003; (2003) https://doi.org/10.1117/12.502858
Event: Visual Communications and Image Processing 2003, 2003, Lugano, Switzerland

Abstract

A flow control for streaming multimedia data over UDP on IP network is presented. The bitrate adaptation algorithm embedded in the protocol is considered to be an end-to-end mechanism in the application level. The flow control system constantly maintains the streaming buffer at a prescribed capacity even with bursty network losses by adapting the multimedia bitrate B from the streaming codec. A congestion control algorithm which is considered to be located in a lower level than that of the flow control mechanism is presented. It works together with the presented flow control to resolve network congestion problems while maintaining a degree of TCP-friendliness by changing the sending rate R at the server. Simulation results obtained from NS2 have shown better resource allocation can be obtained, and an overall incrase in the average sending rate and hence better quality of streaming media is observed.

Citation Download Citation

Siu-Ping Chan and Chi-Wah Kok "Bitrate adaptation flow control and client-based congestion control for multimedia-on-demand", Proc. SPIE 5150, Visual Communications and Image Processing 2003, (23 June 2003); https://doi.org/10.1117/12.502858

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