| 摘要 |
To provide a transmission apparatus and a transmission method in which change of connection information (settings) on an operation side of all transmission apparatuses is carried out in a state in which all the transmission apparatuses are synchronized with one another without interrupting a service for a path line of End-to-End. The transmission apparatus for carrying out transmission of information to/from other transmission apparatuses through a transmission line stores a setting of a path for transmission of information to/from other transmission apparatuses in an operation side setting unit, stores a setting after change of the path in a non-operation side setting unit, stores time for changing the path to output an instruction to change the path at a timing synchronous with the other transmission apparatuses based on the time for the change, and switches a path based on the setting on an operation side such that the path is set on a non-operation side in response to the instruction for the change.
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