ATM White Papers
Performance of TCP Over ABR With Long-Range Dependent VBR Background Traffic Over Terrestrial and Satellite ATM Networks
Overview Compressed video is well known to be self-similar in nature. VBR carrying long-range dependent, multiplexed MPEG-2 video sources traffic is modeled. The actual traffic for the model is generated using fast-fourier transform of the fractional gaussian noise sequence. Our model of compressed video sources bears similarity to an MPEG-2 transport stream carrying video, i.e., it is long-range dependent and generates traffic in a piecewise constant bit rate manner. This paper studies the effect of such VBR traffic on ABR carrying TCP traffic. The effect of such VBR traffic is that the ABR capacity is highly variant. It was found that a switch algorithm like ERICA+ can tolerate this variance in ABR capacity while maintaining high throughput and low delay.
| Publisher | Ohio State University | File Format | |
|---|---|---|---|
| Date Published | March 2007 | ||
| Format | White Papers | ||
| Topics | |||
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