Patent Number: 7,355,967

Title: Transmission device

Abstract: There is disclosed a transmission device performing NUT setting and its establishment efficiently and precisely. A setting information relay unit relays setting information that places a specific channel out of a channel used for restoration. A channel establishment unit determines, by referring to the setting information, whether a channel of interest should be placed out of a channel for restoration and establish the channel. A route switch control unit recognizes a section in which the channel that is not used for restoration has been established and a fault bypass control condition at the time of occurrence of a fault and performs a route switching control based on a result of recognition.

Inventors: Tazawa; Hideaki (Kawasaki, JP), Mochizuki; Hideaki (Kawasaki, JP), Yoshida; Hiroshi (Kawasaki, JP)

Assignee: Fujitsu Limited

International Classification: H04L 12/26 (20060101)

Expiration Date: 2020-04-08 0:00:00