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Low-complexity multiple access protocols for wavelength-division multiplexed photonic networks

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3 Author(s)
Bogineni, K. ; State Univ. of New York, Buffalo, NY, USA ; Sivalingam, K.M. ; Dowd, P.W.

Media access control protocols for an optically interconnected star-coupled system with preallocated wavelength-division multiple-access channels are discussed. The photonic network is based on a passive star-coupled configuration in which high topological connectivity is achieved with low complexity and excellent fault tolerance. The channels are preallocated to the nodes with the proposed approach, and each node has a home channel it uses either for data packet transmission or data packet reception. The performance of a generalized random access protocol is compared to an approach based on interleaved time multiplexing. Semi-Markov analytic models are developed to investigate the performance of the two protocols. The analytic models are validated through extensive simulation. The performance is evaluated in terms of network throughput and packet delay with variations in the number of nodes, data channels, and packet generation rate

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Selected Areas in Communications, IEEE Journal on  (Volume:11 ,  Issue: 4 )