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Algorithms for providing bandwidth and delay guarantees in input-buffered crossbars with speedup

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4 Author(s)

Investigates some issues related to providing QoS guarantees in input-buffered crossbars with speedup. We show that a speedup of 4 is sufficient to ensure 100% asymptotic throughput with any maximal matching algorithm employed by the arbiter. We present several algorithms which ensure different delay guarantees with a range of speedup values between 2 and 6. We demonstrate that with relatively simple arbitration algorithms and a speedup that is independent of the switch size, it is possible to ensure delay guarantees which are comparable to those available for output-buffered switches

Published in:

Quality of Service, 1998. (IWQoS 98) 1998 Sixth International Workshop on

Date of Conference:

18-20 May 1998