Abstract
This paper proposes a novel scheme that uses feedback control approaches to support quality of service (QoS) in Optical Burst Switching (OBS) networks. This work provides service level objectives in terms of burst loss ratio (BLR) for each class of bursts. The BLR is the ratio between the lost bursts to the sent bursts. Using feedback control approaches computes accurate burstification rate for each class of bursts. Burstification rates are computed at each burst manager controller for each class based on the previous measured value of the burst loss rate and the desired burst loss rate. Simulation results on NSFNET network have showed that the feedback control scheme guarantees a BLR to hover around the desired value for each class of bursts.
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