Communications network

H - Electricity – 04 – Q

Patent

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Details

H04Q 11/04 (2006.01)

Patent

CA 2439035

A communications network that can determine for itself its own network topology, that is the identity and interconnection of nodes comprising the network is described. The network comprises a plurality of nodes (A to E) each having at least one port (A1 to E1), the ports being interconnected (7 to 13) in accordance with the network topology and in which communication traffic is conveyed over the network via the interconnected ports. Each port is arranged to transmit first information (h to u) within the communication traffic including the identity of the port (Section trace identity) from which the communication traffic originates. Means are provided which are arranged to transmit second information between nodes identifying which first information identity relates to which node and which port; and processing means arranged for determining for each node from the first and second information, the identity of adjacent node/s and the identity of the port/s to which its ports are connected.

La présente invention concerne un réseau de communications capable de déterminer pour lui-même sa propre topologie de réseau, c'est-à-dire l'identité et l'interconnexion des noeuds intégrant le réseau. Le réseau comprend une pluralité de noeuds (A à E) dont chacun comporte au moins un port (A¿1? à E¿1?), tous ces ports étant interconnectés (7 à 13) dans le respect de la topologie du réseau, le trafic de communications étant acheminé d'un bout à l'autre du réseau via les ports interconnectés. Chaque port est agencé pour émettre à l'intérieur du trafic de communication une première information (h à u) reprenant l'identité du port (identité "Section Trace") d'où émane le trafic de communications. L'invention prévoit également des organes agencés de façon à émettre entre les noeuds une seconde information permettant d'établir une relation logique entre la première information, le noeud correspondant et le port concerné. L'invention prévoit enfin des organes de traitement agencés de façon à déterminer pour chaque noeud à partir de la première et de la seconde information, l'identité des noeuds adjacents ainsi que l'identité des ports auxquels sont connectés ses ports.

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