Abstract
Dynamic traffic is becoming important in WDM networks. In the transition towards full dynamic traffic, WDM networks optimized for a specific set of static connections will most likely also be used to support on-demand lightpath provisioning. Our paper investigates the issue of routing of dynamic connections in WDM networks which are also loaded with high-priority protected static connections. By discrete-event simulation we compare various routing strategies in terms of blocking probability and we propose a new heuristic algorithm based on an occupancy cost function which takes several possible causes of blocking into account. The behavior of this algorithm is tested in well-known case-study mesh networks, with and without wavelength conversion. Moreover, Poissonian and non-Poissonian dynamic traffics are considered.
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Maier, G., Pattavina, A., Barbato, L. et al. Routing Algorithms in WDM Networks under Mixed Static and Dynamic Lambda-Traffic. Photonic Network Communications 8, 69–87 (2004). https://doi.org/10.1023/B:PNET.0000031619.18955.b4
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DOI: https://doi.org/10.1023/B:PNET.0000031619.18955.b4