Abstract
To playback multimedia data smoothly via the world-wide Internet, jitter, the variability of delay of individual packets, must be kept low. We examine on-line algorithms in a router to regulate jitter for a given multimedia stream by holding packets in an internal buffer. The previous work solved the problem with focusing only on the buffer size, allowing a packet to stay in the router infinitely long unless the internal buffer is full, which is unrealistic for many real-time applications.
Our main contribution is to introduce a new constraint that a packet can stay in the router at most for a constant time which we name the permitted delay time in order to provide the stream communication with real-time property, besides the conventional constraint about the buffer size. We present a nearly optimal on-line algorithm in terms of competitiveness for this new version of the problem. Our analysis yields the result that the competitiveness of on-line algorithms depends on the permitted delay time rather than the buffer size. Finally we make clear quantitatively how much jitter is removed by our on-line algorithm.
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© 2000 Springer-Verlag Berlin Heidelberg
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Koga, H. (2000). Jitter Regulation in an Internet Router with Delay Consideration. In: Paterson, M.S. (eds) Algorithms - ESA 2000. ESA 2000. Lecture Notes in Computer Science, vol 1879. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45253-2_28
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DOI: https://doi.org/10.1007/3-540-45253-2_28
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Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-41004-1
Online ISBN: 978-3-540-45253-9
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