US 11,757,608 B2
Communication apparatus, communication system, communication method, and computer readable medium
Taichi Sakaue, Tokyo (JP)
Assigned to MITSUBISHI ELECTRIC CORPORATION, Tokyo (JP)
Filed by MITSUBISHI ELECTRIC CORPORATION, Tokyo (JP)
Filed on Jan. 27, 2021, as Appl. No. 17/160,002.
Application 17/160,002 is a continuation of application No. PCT/JP2018/035173, filed on Sep. 21, 2018.
Prior Publication US 2021/0152323 A1, May 20, 2021
Int. Cl. H04L 7/00 (2006.01)
CPC H04L 7/0008 (2013.01) 9 Claims
OG exemplary drawing
 
1. A communication apparatus included in a communication system, the communication system having a plurality of communication apparatuses, where any one of the plurality of communication apparatuses is set as a grandmaster that is to be a standard of time of the plurality of communication apparatuses, and any one of the plurality of communication apparatuses is set as a network management master that sets a priority of the grandmaster, the communication apparatus comprising:
processing circuitry to:
verify whether or not the communication apparatus is the network management master,
verify whether or not the communication apparatus is the grandmaster, and
when the communication apparatus is the network management master and the grandmaster, set in a priority of the communication apparatus a threshold indicating that a priority is higher than a priority of a current grandmaster, and when the communication apparatus is the network management master and not the grandmaster, transmit a network setting message that includes the threshold to be set for a priority of the grandmaster.