H - Electricity – 04 – J
Patent
H - Electricity
04
J
H04J 3/08 (2006.01)
Patent
CA 2533322
Extra traffic (ET) paths are provided in a communication network including at least two protection channels associated to respective transmission channels. Each protection channel admits: - an active state for carrying, in the presence of a failure in said associated transmission channel, traffic to be carried by the associated transmission channel, and - a stand-by state, wherein the protection channel is adapted to carry extra traffic. The protection channels are run in a sub-network connection protection scheme, whereby one of the protection channels in its stand-by state is adapted to ensure recovery of extra traffic carried by the other protection channel while the other protection channel is switched to its active state or is subject to failure.
Selon l'invention, des chemins pour trafic supplémentaire sont fournis dans un réseau de communication comportant au moins deux voies de protection associées à des voies de transmission correspondantes. Chaque voie de protection accepte un état actif pour transporter, en cas de panne dans ladite voie de transmission correspondante, et un état en disponibilité, la voie de protection étant conçue pour supporter un trafic supplémentaire. Les voies de protection fonctionnent selon un programme de protection de connexion de sous-réseau, une des voies de protection à l'état en disponibilité étant destinée à garantir la récupération du trafic supplémentaire effectué par l'autre voie de protection, tandis que l'autre voie de protection est commutée vers son état actif ou est sujette à panne.
Allasia Andrea
Rita Roberto
Serra Laura
Varetto Luigi Giuseppe
Ridout & Maybee Llp
Telecom Italia S.p.a.
LandOfFree
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