| 主权项 |
1. A protection method comprising:
performing a switching control of work and protection communication paths set between end nodes in a first network, based on a reception state for each of signals transmitted to the communication paths; performing a routing control for a partial section of the communication paths, the partial section belonging to a second network; and controlling, in response to the routing control for the partial section in the second network, a detection process of a signal failure based on the reception state of the signal for the protection communication path. |
