A new analytical model for multifiber WDM networks

Authors:
Ling Li;A. K. Somani
Affiliations:
Nortel Networks, Billerica, MA, USA;-
Venue:
IEEE Journal on Selected Areas in Communications
Year:
2006

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Abstract

We study the effect of multiple fibers in circuit-switched all-optical wavelength-routing networks. A new analytical model-the multifiber link-load correlation (MLLC) model-is developed to evaluate the blocking performance of such networks. To our knowledge, the MLLC model is the first model that takes the link-load correlation into account in multifiber WDM networks. We show that the MLLC model is accurate for a variety of network topologies by comparing the analytical results to simulation results. We observed that a small number of fibers are sufficient to guarantee high network performance in multifiber WDM networks.