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Transparent optical mesh networks are an appealing solution to provide cost-effective high bandwidth connections eliminating the need of expensive intermediate electronic regenerators. However, the implementation of transparent optical networks requires to take into account physical impairment information for effective lightpath set-up. In this paper, we present two distributed solutions to encompass...
The GMPLS distributed control plane is used in wavelength-routed networks to dynamically establish end-to-end lightpaths. During the signaling phase, lightpath requests can be blocked due to lack of available resources or due to resource contentions. Blocking due to resource contentions is the dominant source of blocking, when network is lightly loaded or lightpath requests are highly dynamic. To...
The evolution of optical technologies has paved the way to the migration from opaque optical networks (i.e., networks in which the optical signal is electronically regenerated at each node) to transparent (i.e., all-optical) networks. Translucent optical networks (i.e., optical networks with sparse opto-electronic regeneration) enable the exploitation of the benefits of both opaque and transparent...
A solution based on RSVP-TE signaling protocol is proposed to encompass degradation due to crosstalk in all-optical networks. Simulation results show that it achieves low blocking probability and allows to design larger domains of transparency.
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