Interchanging the Search Space Between the Logical and Physical Layers in Future IP Optical Networks

A. Hadjiantonis, A. Khalil, M.A. Ali, N. Abdellatif, and J. Moghaddasi (USA)


Sub-wavelength provisioning, Traffic Grooming,IP/WDM Networks, Adaptive Routing, RWA


This paper addresses the problem of dynamically provisioning low-speed connection requests in IP/MPLS centric mesh-based WDM networks with traffic grooming capabilities. Specifically, rather than formulating an optimization problem, this work focuses on building a dynamic logical topology where lightpaths are setup and torn down in response to dynamic traffic demands. We explore the potential of optimizing the logical topology by means of interchanging the search space between logical and physical layers. We present several search schemes and compare their performances.

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