System and method for the automatic setup of switched...

H - Electricity – 04 – Q

Patent

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H04Q 11/00 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2548960

An optical network is configured so as to dedicate a first portion of lightpaths to high priority traffic, and leaving a second portion of lightpaths available for low priority traffic. The high priority traffic entering the high priority lightpaths is monitored. In case of detection of a burst in high priority traffic, at least of the low priority lightpaths is torn down, so as to make available network resources within the network. Then, a new temporary lightpath is set up using the available network resources, and high priority traffic is routed on the temporary lightpath.

Selon l'invention, un réseau optique est conçu de manière à affecter une première partie de trajets de la lumière à un trafic de priorité élevée, laissant une seconde partie de trajets de la lumière disponible pour un trafic de faible priorité. Le trafic de priorité élevée entrant dans les trajets de la lumière de priorité élevée est surveillé. En cas de détection d'une rafale dans le trafic de priorité élevée, au moins un des trajets de la lumière de faible priorité est interrompu, de manière à rendre disponibles les ressources réseau dans le réseau. Ensuite, un nouveau trajet de la lumière temporaire est réglé à l'aide des ressources réseau disponibles et le trafic de priorité élevée est acheminé sur le trajet de la lumière temporaire.

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