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Performance simulation for a novel joint multicasting optical cross-connect based on both space and frequency splitters

The emerging broadband real-time streams applications require the supporting networks to provide multicasting communication at optical layer. The multicasting capable optical cross-connect (MC-OXCs) is the necessary device to implement multicasting at optical layer. The functional building blocks for MC-OXC are light splitters, which can be space splitters or multiwavelength converters (frequency splitters). The space splitter has no wavelength conversion ability, while the frequency splitter has limited fanout, decreased optical signal-to-noise ratio and also is expensive. We proposed a tradeoff architecture called joint multicasting capable optical cross-connect (jMC-OXC) integrating both space splitters and frequency splitters in our previous work. This paper further studies the network performance in terms of member blocking ratio for the jMC-OXC architecture. Three simulation schemes are designed and the results show that the network performance of the jMC-OXCs with limited frequency splitters can obtain a close performance to that with full frequency splitters.