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Network controller design for SONATA-a large-scale all-optical passive network

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4 Author(s)
Bianco, A. ; Dipt. di Elettronica, Politecnico di Torino, Italy ; Leonardi, E. ; Mellia, M. ; Neri, F.

This paper describes the network architecture and provides a performance analysis of a passive optical network named SONATA, which has been proposed and demonstrated in the context of the European Union ACTS Program. In this nationwide all-optical network, end terminals access a single passive routing node via PONs using a TDMA/WDMA access scheme based on reservations. The centralized network controller runs resource allocation algorithms in order to avoid conflicts among end terminals. We formally define the resource allocation problem at the network controller, and show that, in general, it is NP-hard. We also provide simple heuristic algorithms to solve the problem. The analysis of the algorithms is performed both via analysis and simulation.

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Selected Areas in Communications, IEEE Journal on  (Volume:18 ,  Issue: 10 )