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Communication Dans Un Congrès Année : 2009

Supporting multipoint-to-point communications in all-optical WDM networks

Résumé

The routing and wavelength assignment (RWA) problem for multipoint-to-point communications in all-optical wavelength division multiplexing (WDM) networks is investigated in this paper. Two efficient algorithms, namely Reverse Shortest Path Tree routing (RSPT) and k-Bounded Edge Disjoint Path routing (EDPR), are proposed. The problem of minimizing the total cost while establishing a multipoint-to-point session can be solved by RSPT algorithm in polynomial time. Nevertheless, EDPR algorithm produces a significant reduction in the maximum number of wavelengths required per link (i.e., the link stress) by a multipoint-to-point session. Simulations demonstrate the efficiencies of these two algorithms in supporting multipoint-to-point communications in WDM networks.
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Dates et versions

hal-00541041 , version 1 (29-11-2010)

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Fen Zhou, Mohand Yazid Saidi, Miklós Molnár, Bernard Cousin. Supporting multipoint-to-point communications in all-optical WDM networks. The 34th IEEE Conference on Local Computer Networks (LCN 2009), 2009., Oct 2009, Zurich, Switzerland. pp.209 - 212, ⟨10.1109/LCN.2009.5355172⟩. ⟨hal-00541041⟩
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