The buffer-bandwidth trade-off curve is convex

The buffer-bandwidth trade-off curve is convex

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Article ID: iaor20041278
Country: Netherlands
Volume: 38
Issue: 4
Start Page Number: 471
End Page Number: 483
Publication Date: Aug 2001
Journal: Queueing Systems
Authors: ,
Abstract:

To achieve a constant overflow probability, the two queueing resources, viz. buffer and bandwidth, can be traded off. In this paper we prove that, under general circumstances, the corresponding trade-off curve is convex in the ‘many-sources scaling’. This convexity enables optimal resource partitioning in a queueing system supporting heterogeneous traffic, with heterogeneous quality-of-service requirements.

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