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A Lightpath Establishment Algorithm in WDM/TDM Networks  

임재복 (목원대학교)
김진영 (목원대학교)
이현태 (목원대학교)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.7, no.7, 2003 , pp. 1427-1433 More about this Journal
Abstract
This paper presents the routing and wavelength and timeslot assignment problems for a circuit-switched time division multiplexed (TDM) wavelength-routed networks. In this paper, we propose an efficient distributed control protocol for establishing lightpath dynamically. The protocol uses backward reservation to reduce the chance of blocking. We use aggressive reservation method with usable multiple channels and select only one in multiple channel. We show through simulation that the proposed protocol improves the success rate in TDM-based lightpath establishment and the proposed aggressive reservation method improve blocking probability with appropriate reservation channel count.
Keywords
WDM; TDM; RWTA; Distributed Control Protocol; Backward Reservation;
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