QoS Provision in Optical Networks by Shared Protection: An Exact Approach

Authors:
Andrea Concaro;Guido Maier;Mario Martinelli;Achille Pattavina;Massimo Tornatore
Affiliations:
-;-;-;-;-
Venue:
QoS-IP 2003 Proceedings of the Second International Workshop on Quality of Service in Multiservice IP Networks
Year:
2003

Citing 3
Cited 0

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Abstract

This paper considers planning and optimization of WDM networks by means of Integer Linear Programming (ILP), which is the most used exact method to perform this task. Since survivability is a very crucial issue in order to guarantee QoS in optical WDM networks, new ILP formulations are investigated here to design WDM networks under protection strategy with shared transmission resources. These formulations are applied to multifiber mesh networks with or without wavelength conversion. After presenting the formulations we discuss the results we obtained by exploiting them in the optimization of a case-study network.