Mobility

ETFRC: Enhanced TFRC for Media Traffic Over Internet

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Executive Summary

The evident increase in media traffic over Internet is expected to worsen its congestion state. TCP-friendly rate control protocol TFRC is one of the most promising congestion control techniques developed so far. TFRC has been thoroughly tested in terms of being TCP-friendly, responsive, and fair. Yet, its impact on the visual quality and the peak signal-to-noise ratio PSNR of the media traffic traversing Internet is still questionable. In this paper, the authors aimed to point out the enhancements required for TFRC that enables producing the maximum PSNR value for Internet media traffic. Firstly, they suspected the default value of n that represents the number of loss intervals used in calculating the loss event rate in the TFRC equation.

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