Please use this identifier to cite or link to this item: https://doi.org/10.1109/LCN.2006.322131
Title: Residual admission capacity in optical burst switching networks and its application in routing loss-guaranteed flows
Authors: Chen, Q.
Mohan, G. 
Chua, K.C. 
Keywords: Optical burst switching
QoS routing
Residual admission capacity
Resource measurement
Issue Date: 2006
Source: Chen, Q.,Mohan, G.,Chua, K.C. (2006). Residual admission capacity in optical burst switching networks and its application in routing loss-guaranteed flows. Proceedings - Conference on Local Computer Networks, LCN : 429-436. ScholarBank@NUS Repository. https://doi.org/10.1109/LCN.2006.322131
Abstract: Optical burst switching (OBS) is a promising technology to transmit bursty data traffic over optical networks. For QoS routing, an accurate estimation of the amount of residual capacity on a link is necessary. In IP or ATM networks, the residual bandwidth of a link can be computed as the the total bandwidth subtracted by the effective bandwidth of each flow. However, this method is based on the assumption that each node has a large buffer. This method is not applicable to OBS networks, where there is no buffer at the core nodes. We propose a new metric, called residual admission capacity (RAC), to determine the amount of residual capacity on the links in OBS networks. To show the effectiveness of the new metric, we propose a routing algorithm called RAC-WSP, which is a widest shortest path (WSP) algorithm with RAC as the measurement of the residual capacity on a link. Experimental results show that RAC-WSP can admit more loss-guaranteed flows than other routing schemes, including the shortest path algorithm and other WSP algorithms where the residual capacity is evaluated by other metrics. ©2006 IEEE.
Source Title: Proceedings - Conference on Local Computer Networks, LCN
URI: http://scholarbank.nus.edu.sg/handle/10635/71624
ISBN: 1424404185
DOI: 10.1109/LCN.2006.322131
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