Architectures for a single-stage grooming switch

Details Architectures for a single-stage grooming switch Architectures for a single-stage grooming switch

H - Electricity

04

Q

H04Q 3/545 (2006.01) H04L 12/56 (2006.01) H04Q 3/52 (2006.01)

Patent

CA 2445001

A single-stage grooming switch is provided for switching streams of multiplexed traffic, such as SONET STS-48, in both time and space domains. In particular, the switch implements a distributed demultiplexing architecture for switching between any input timeslot to any output timeslot at a reduced layout size. Furthermore, the distributed demultiplexing architecture results in low latencies being associated with reconfiguration of output permutations on the order of nanoseconds.

La présente invention concerne un système de commutation de grooming (mise en forme) à étape unique permettant la commutation entre des flux d'un trafic multiplexé, tel que SONET STS-48, à la fois dans le domaine temporel et dans le domaine spatial. En particulier, le système de commutation permet la mise en place d'une architecture de démultiplexage distribuée permettant la commutation d'un intervalle de temps d'entrée quelconque à un intervalle de sortie quelconque à une taille topologique réduite. De plus, l'architecture de démultiplexage distribuée permet d'obtenir des temps de latence faibles, liés à la reconfiguration de permutations de sortie, de l'ordre des nanosecondes.

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