H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/12 (2006.01) H04B 1/74 (2006.01) H04Q 3/00 (2006.01) H04Q 11/00 (2006.01)
Patent
CA 2241906
A method and system for restoration of a fiber communication network through optical tributary switching. Multi-port optical cross-switches switch traffic at the tributary side of lightwave terminal equipment in the event of a network failure. Optical tributary switching is implemented in a variety of all-optical core network architectures including separate disjoint path, link- based mesh, and path-based mesh configurations. Network resiliency is enhanced without introducing loss over a high-speed fiber line or trunk.
L'invention se rapporte à un procédé et à un système de rétablissement d'un réseau de communication à fibres optiques par commutation tributaire optique. Des répartiteurs optiques multi-ports commutent le trafic côté tributaire de l'équipement terminal de liaison à fibres optiques en cas de défaillance du réseau. La commutation tributaire optique est mise en oeuvre dans divers types d'architectures de réseaux en technologie "tout fibres optiques" comprenant des tronçons disjoints distincts, des liaisons de type maillé et des configurations en mailles à base de tronçons. L'accroissement de la résilience du réseau se fait sans engendrer de pertes via une ligne ou jonction en fibres optiques haute vitesse.
G. Ronald Bell & Associates
Mci Communications Corporation
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