Packet communication network and packet communication method

H - Electricity – 04 – L

Patent

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H04L 12/56 (2006.01) H04B 10/20 (2006.01)

Patent

CA 2557733

Full-mesh WDM transmission units (1) each including n interfaces and capable of establishing a bidirectional full-mesh communication among all the interfaces using wavelength paths based on a wavelength division multiplexing technique are connected in a multistage tree- shaped structure by internetwork connection units (3) through edge-packet transfer units (2) connected to the respective interfaces. It is thereby possible to hold a direct communication between user terminals connected to the edge-packet transfer units (2) of the same full-mesh WDM transmission unit (1), and realize scalability by a multistage connection configuration.

L'invention concerne des moyens de transmission WDM totalement maillés (1), qui ont chacun n interfaces et peuvent effectuer une communication latérale totalement maillée par l'intermédiaire d'interfaces quelconques à l'aide de chemins de longueur d'onde basés sur la technique de multiplexage par répartition en longueur d'onde. Ils sont interconnectés à des stades multiples dans une structure arborescente par des moyens de connexion inter-réseaux (3) par l'intermédiaire de moyens de transfert de paquets de périphérie (2) connectés aux interfaces respectives, permettant de ce fait à des terminaux d'utilisateur connectés aux moyens de transfert de paquets de périphérie (2) des mêmes moyens de transmission WDM totalement maillés (1) de communiquer directement les uns avec les autres, et réalisant en outre une extensibilité utilisant la structure d'interconnexion à stades multiples.

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