Abstract
In this paper, two distinct optical network design approaches, namely mesh and multi-ring, for survivable WDM networks are investigated. The main objective is to compare these two design approaches in terms of network costs so that their merits in practical environments can be identified. In the mesh network design, a new mathematical model based on integer liner programming (ILP) and a heuristic algorithm are presented for achieving a minimal cost network design. In the multi-ring network design, a heuristic algorithm that can be applied to large network problems is proposed. The influence of wavelength conversion and the number of wavelengths multiplexed in a fiber on system designs are also discussed. Based on the simulation results, the redundancy quantities required for full protection in multi-ring approach are significantly larger in comparison to the minimal cost mesh counterpart.
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Iamvasant, T., Baworntummarat, C., Wuttisittikulkij, L. (2000). A Comparative Study of Mesh and Multi-ring Designs for Survivable WDM Networks. In: Pujolle, G., Perros, H., Fdida, S., Körner, U., Stavrakakis, I. (eds) Networking 2000 Broadband Communications, High Performance Networking, and Performance of Communication Networks. NETWORKING 2000. Lecture Notes in Computer Science, vol 1815. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45551-5_17
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DOI: https://doi.org/10.1007/3-540-45551-5_17
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