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Proceedings Paper

Static lightpath design by heuristic methods in multifiber WDM networks
Author(s): Guido A. Maier; Achille Pattavina; Laura Roberti; Thierry Chich
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Paper Abstract

We present a new approach to WDM multifiber network design and optimization under static traffic aimed to minimize the number of fibers in the network. The heuristic optimization comprises an initial setup of all the demanded lightpaths and an iteration during which the network is progressively improved by rerouting lightpaths and consequently eliminating fibers with a high number of unused wavelengths. In our approach static traffic is actually managed with the same techniques as dynamic traffic by suitably sorting the static connection demands and offering them in sequence to the network. The employment of the multifiber layered graph as a template to represent the network states allows to compare a very wide range of routing, fiber and wavelength assignment criteria, link metrics, wavelength-conversion environments and so on. In this paper we will show and discuss the optimization of a particular case-study network and we will analyze the influence of various design parameters on the final results.

Paper Details

Date Published: 22 September 2000
PDF: 12 pages
Proc. SPIE 4233, OptiComm 2000: Optical Networking and Communications, (22 September 2000); doi: 10.1117/12.401834
Show Author Affiliations
Guido A. Maier, CoreCom (Italy)
Achille Pattavina, Politecnico di Milano (Italy)
Laura Roberti, CoreCom (Italy)
Thierry Chich, CoreCom (Italy)


Published in SPIE Proceedings Vol. 4233:
OptiComm 2000: Optical Networking and Communications
Imrich Chlamtac, Editor(s)

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