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Analysis and optimization of transmission schedules for single-hop WDM networks

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2 Author(s)
Rouskas, G.N. ; Coll. of Comput., Georgia Inst. of Technol., Atlanta, GA, USA ; Ammar, M.H.

Considers single-hop lightwave networks with stations interconnected using wave division multiplexing. The stations are equipped with tunable transmitters and/or receivers. A predefined, wavelength-time oriented schedule specifies the slots and the wavelengths on which communication between any two pairs of stations is allowed to take place. The authors define a wide variety of schedules and develop a general framework for analyzing their throughput performance for any number of available wavelengths, any tunability characteristics, and general (potentially nonuniform) traffic patterns. They then consider the optimization of schedules given the traffic requirements and present optimization heuristics that give near-optimal results. They also investigate how the number of available wavelengths (channels) affects the system throughput, and develop techniques to efficiently share the available channels among the network stations. As a result, they obtain systems that are easy to scale while having very good performance

Published in:

Networking, IEEE/ACM Transactions on  (Volume:3 ,  Issue: 2 )