Abstract
Optical burst switching (OBS) is an emerging technology that allows variable size data bursts to be
transported directly over dense wavelength division multiplexing links. Although several quality-of-service (QoS)
schemes have been proposed for OBS networks, how to provide QoS at the high speed required by the OBS network is
still an open question. In this paper, we propose a novel O(1) runtime contour-based priority algorithm that
provides complete priority isolation among different priorities. This is the first practical O(1) runtime priority
algorithm proposed for OBS, and it is well suited to high-speed hardware implementation.
© 2007 IEEE
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