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Optical routing technologies will surely be the key to creating future bandwidth abundant and green networks. Considering future services and the need to create virtual fiber networks, the introduction of wavebands is a next important step.
We propose a dynamic RWA method for optical path networks that pre-computes route candidates to attain better load-balancing. Numerical experiments elucidate that the proposed method can accommodate 1.3-1.8 times more traffic than the conventional method that ignores load-balancing.
In this paper, we present a hybrid-hierarchical optical cross-connect (hybrid-HOXC) architecture that employs a waveband cross-connect for adding/dropping or routing waveband paths and an electrical cross-connect to grooming wavelength paths. Then, we have proposed a heuristic design algorithm for the hybrid-HOXCs based optical path networks. Its effectiveness is evaluated through numerical experiments...
Hierarchical optical path networks are proposed to carry future bandwidth abundant applications cost effectively. We provide an overview of their design algorithms aiming at maximum utilization of coarse granular routing. Their network cost reduction is also demonstrated.
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