Patent ID: 11924740
Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 4:
5. A route control device that controls a plurality of signal forwarding devices forming a plurality of communication routes between a slave station and a master station and determines a communication route of a signal communicated between the slave station and the master station, wherein
the route control device comprises:
a processor; and
a storage medium having computer program instructions stored thereon, when executed by the processor, perform to:
calculate a forward destination communication route in response to a route switching request; and
output forward destination setting information to the signal forwarding devices based on the communication route,
monitor traffic of the signal forwarding devices;
estimate a non-signal period in which the traffic does not flow based on the traffic monitored; and
control a timing of switching the communication route to perform route switching in the non-signal period.