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Proceedings Paper

Receiver buffer requirement for video streaming over TCP
Author(s): Taehyun Kim; Mostafa H. Ammar
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Paper Abstract

TCP is one of the most widely used transport protocols for video streaming. However, the rate variability of TCP makes it difficult to provide good video quality. To accommodate the variability, video streaming applications require receiver-side buffering. In current practice, however, there are no systematic guidelines for the provisioning of the receiver buffer, and smooth playout is insured through over-provisioning. In this work, we are interested in memory-constrained applications where it is important to determine the right size of receiver buffer in order to insure a prescribed video quality. To that end, we characterize video streaming over TCP in a systematic and quantitative manner. We first model a video streaming system analytically and derive an expression of receiver buffer requirement based on the model. Our analysis shows that the receiver buffer requirement is determined by the network characteristics and desired video quality. Experimental results validate our model and demonstrate that the receiver buffer requirement achieves desired video quality.

Paper Details

Date Published: 19 January 2006
PDF: 10 pages
Proc. SPIE 6077, Visual Communications and Image Processing 2006, 607718 (19 January 2006); doi: 10.1117/12.643583
Show Author Affiliations
Taehyun Kim, Freescale Semiconductor, Inc. (United States)
Mostafa H. Ammar, Georgia Institute of Technology (United States)

Published in SPIE Proceedings Vol. 6077:
Visual Communications and Image Processing 2006
John G. Apostolopoulos; Amir Said, Editor(s)

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