Abstract
Video streaming is one of the most bandwidth-intensive applications on the Internet. In HTTP adaptive video streaming the video
quality is selected according to the available bandwidth. To compensate bandwidth fluctuations, players use a buffer in order to ensure a
smooth video output. On one hand, if the buffer runs empty, the video
playback stops, which users experience as negative. On the other hand,
if the user aborts video playback, the video in the buffer was unnecessarily transmitted, hence this bandwidth was wasted. In this paper, we
present a study in which we investigate the behavior of two video players
and different buffer configurations in real-world bandwidth scenarios.
Thereby, we focus on the dimensioning of the buffer size and the tradeoff between wasted bandwidth and the playback quality
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