H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/42 (2006.01) H04J 3/08 (2006.01) H04L 12/437 (2006.01) H04Q 11/04 (2006.01)
Patent
CA 2112386
A bidirectional logical-ring network employs crossconnect nodes (1100 and 1200), which partition the network into segments (X, Y and Z) and interconnect segments at the subchannel level to form logical ring structures. All segments are independent, and each segment includes a subset of Add-Drop Multiplex nodes (ADMs) (300 through 800) and two pairs of links (E through P), one working and one protection. The formation of logical rings from the interconnection of independent segment subchannels preserves the self-healing advantages of conventional bidirectional ring networks and allows greater flexibility to efficiently accommodate bandwidth upgrade requests.
L'invention est un réseau à anneau logique bidirectionnel qui utilise des noeuds de répartition (1100 et 1200) qui divisent le réseau en segments X, Y et Z et en segments d'interconnexion au niveau des sous-canaux pour former des structures à anneau logique. Tous les segments sont indépendants et chacun d'eux comprend un sous-ensemble de noeuds d'insertion-extraction multiplex («ADM») (300 à 800) et deux paires de liaisons (E à P), une étant en service et l'autre servant de liaison de secours. La formation d'anneaux logiques par l'interconnexion de sous-canaux de segments indépendants préserve les mécanismes d'autocorrection des réseaux en anneau bidirectionnels courants tout en offrant une plus grande souplesse pour répondre efficacement aux demandes de mise à niveau se rapportant à la largeur de bande.
Kirby Eades Gale Baker
Telcordia Licensing Company Llc
LandOfFree
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