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Avoiding Quality Bottlenecks in P2P Adaptive Streaming
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DOI：10.1109/JSAC.2014.140406.png)
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This paper addresses the problem of quality bottleneck in adaptive SVC streaming. Quality bottleneck occurs in adaptive streaming systems when the desired video quality cannot be obtained even if the network capabilities are sufficient. In the context of SVC layered video streaming, we have observed that enhancement layers remain around the video source and fail to reach all the participating peers. To overcome this problem, we propose an adaptive SVC streaming solution that cooperatively integrates strategies of overlay formation, data scheduling and content adaptation. Performance evaluation using simulations shows that the proposed streaming solution reduces the quality bottleneck, increases churn-tolerance and optimizes bandwidth utilization.
Keyword:
adaptive streaming
layered video
SVC
overlay networks
P2P
quality bottleneck
data scheduling
quality smoothing
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17.2
论文数:
6.4K
被引数:
3.1W
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