Abstract
In this paper, we design a two-subring network based on a passive 2*2 AWG device and also a novel distributed medium access control (MAC) scheme to achieve low-cost, scalable, and high-performance systems. We have previously proposed a high-performance design of an experimental testbed system for an optical packet-switched (OPS) metro ring network, called HOPSMAN. Our proposed system uses only a tunable transmitter and a fixed-tuned receiver to achieve exceptional high performance, which is shown to be approximately 1.5 times better than that of HOPSMAN in which each node is constructed by a tunable transmitter and a high-cost tunable receiver. Extensive simulation and analytic results demonstrate that the proposed MAC scheme achieves exceptional system performance under a wide range of traffic loads and various system parameters.
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