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PROCÉDÉ D'IMPLÉMENTATION DE SERVICE EN ANNEAUX CROISÉS, ET NOEUDS PRINCIPAUX CORRESPONDANTS, DANS UN RÉSEAU DE TRANSPORT À RAFALES OPTIQUES
PROCÉDÉ D'IMPLÉMENTATION DE SERVICE EN ANNEAUX CROISÉS, ET NOEUDS PRINCIPAUX CORRESPONDANTS, DANS UN RÉSEAU DE TRANSPORT À RAFALES OPTIQUES
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摘要
Disclosed are a cross-ring service implementation method and corresponding main nodes in an optical burst transport network herein. After receiving an Optical Burst (OB) channel service request added in a node of a first ring network and dropped in a node of a second ring network, a first main node transmits a cross-ring service request to a second main node for applying bandwidth resources for an OB channel service; after receiving the cross-ring service request, the second main node configures a bandwidth map for the OB channel service, and returns to the first main node a cross-ring service response carrying transmission time information of an OB packet of the OB channel service designated to the first main node by the second main node; after receiving the cross-ring service response, the first main node determines the transmission time of the OB packet according to the transmission time information, starts to transmit the OB packet of the OB channel service in the first ring network at the transmission time, and turns on an optical switch from the first main node to the second main node.
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