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On the use of adaptive weight functions in wavelength-continuous WDM multi-fiber networks under dynamic traffic

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3 Author(s)
Miliotis, Konstantinos V. ; Department of Informatics, Aristotle University of Thessaloniki, Greece ; Papadimitriou, Georgios I. ; Pomportsis, Andreas S.

In this paper, we address the problem of efficient routing and wavelength assignment (RWA) in multi-fiber wavelength division multiplexing (WDM) networks without wavelength translation, under dynamic traffic. We couple Dijkstra's shortest path algorithm with a suitable weight function which chooses optical paths based both on wavelength availability and multi-fiber segments. We compare our approach with other RWA schemes both for regular and irregular WDM multi-fiber network topologies in terms of blocking probability and overall link utilization.

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Communications and Networks, Journal of  (Volume:7 ,  Issue: 4 )