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Proceedings Paper

TCP-friendly video transfer
Author(s): Naoki Wakamiya; Masayuki Murata; Hideo Miyahara
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Paper Abstract

When both TCP and UDP connections co-exist in the Internet environment, the performance of TCP connections is heavily affected by the behavior of `greedy' UDP connections of real-time multimedia applications. In this paper, we propose a new TCP-friendly rate control protocol for video connections, called MPEG-TFRCP, to fairly share the link with TCP connections. To achieve fairness among TCP and UDP connections while performing high quality video transmission, we argue that (1) the interval of rate control must be appropriately determined, (2) the network condition must be accurately predicted, (3) the TCP throughput must be precisely estimated and (4) the video rate must be effectively adjusted. Although our algorithm is based on the existing proposals which do not satisfy all of those conditions, through careful considerations ont he applicability of TFRCP to the actual video applications ours can achieve the high-quality MPEG-2 video transfer while satisfying the TCP-friendliness. Through simulation experiments, we show that the TCP throughput estimation based on pseudo-TCP feedback collection is acceptable and the rate adjustment base don the quantization control should be performed at the interval of 32 times as long as estimated RTT.

Paper Details

Date Published: 2 February 2001
PDF: 11 pages
Proc. SPIE 4211, Internet Quality and Performance and Control of Network Systems, (2 February 2001); doi: 10.1117/12.417490
Show Author Affiliations
Naoki Wakamiya, Osaka Univ. (Japan)
Masayuki Murata, Osaka Univ. (Japan)
Hideo Miyahara, Osaka Univ. (Japan)


Published in SPIE Proceedings Vol. 4211:
Internet Quality and Performance and Control of Network Systems
Angela L. Chiu; Frank Huebner; Robert D. van der Mei, Editor(s)

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