TY - GEN
T1 - On the design of prefetching strategies in a peer-driven video on-demand system
AU - Shen, Yanming
AU - Liu, Zhengye
AU - Panwar, Shivendra
AU - Ross, Keith
AU - Wang, Yao
PY - 2006
Y1 - 2006
N2 - In this paper, we examine the prefetching strategies in a peer-driven video on-demand system. In our design, each video is encoded into multiple low bit-rate substreams and copies of the substreams are distributed to the participating peers. When a peer streams in a substream of rate r, it instead streams at rate r̂ where r̂ > r. In this manner, if one of the peer's suppliers disconnects, the client peer can tap the reservoir of prefetched bits while searching for a replacement server, thereby avoiding any glitches or reduced visual quality. We examine how to assign prefetching rates to each of substreams as a function of their importance. Our studies show that appropriate prefetching strategies can bring significant performance improvements for both multiple description and layered videos.
AB - In this paper, we examine the prefetching strategies in a peer-driven video on-demand system. In our design, each video is encoded into multiple low bit-rate substreams and copies of the substreams are distributed to the participating peers. When a peer streams in a substream of rate r, it instead streams at rate r̂ where r̂ > r. In this manner, if one of the peer's suppliers disconnects, the client peer can tap the reservoir of prefetched bits while searching for a replacement server, thereby avoiding any glitches or reduced visual quality. We examine how to assign prefetching rates to each of substreams as a function of their importance. Our studies show that appropriate prefetching strategies can bring significant performance improvements for both multiple description and layered videos.
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U2 - 10.1109/ICME.2006.262626
DO - 10.1109/ICME.2006.262626
M3 - Conference contribution
AN - SCOPUS:34247616867
SN - 1424403677
SN - 9781424403677
T3 - 2006 IEEE International Conference on Multimedia and Expo, ICME 2006 - Proceedings
SP - 817
EP - 820
BT - 2006 IEEE International Conference on Multimedia and Expo, ICME 2006 - Proceedings
T2 - 2006 IEEE International Conference on Multimedia and Expo, ICME 2006
Y2 - 9 July 2006 through 12 July 2006
ER -