Communication path control device, communication path control method, and communication path control system

A communication path control method, comprising:

• receiving a notification that indicates a failure of a communication unit of a first communication device of a plurality of communication devices;
• determining path information, based on the failure of the communication unit and an amount of delay in first transmission of data from a specific communication device to the plurality of communication devices, wherein
• the specific communication device functions as a master to the plurality of communication devices,
• the plurality of communication devices is connected by at least one of a wired path or a wireless path,
• the path information is for control of a path for the first transmission of the data to the plurality of communication devices,
• the path information includes information for
• the first transmission of the data from the specific communication device to a second communication device of the plurality of communication devices and a third communication device of the plurality of communication devices,
• second transmission of the data from the second communication device to a fourth communication device of the plurality of communication devices through the wired path, and
• third transmission of the data from the third communication device to a fifth communication device of the plurality of communication devices through the wired path in parallel with the second transmission of the data, and
• the data addressed to the plurality of communication devices is sequentially forwarded through one of the wired path or the wireless path;
• and
• transmitting the path information to the plurality of communication devices through one of the wired path or the wireless path.

A communication path control system, comprising:

• a plurality of communication devices, wherein
• the plurality of communication devices is connected by at least one of a wired path or a wireless path, and
• data addressed to the plurality of communication devices is sequentially forwarded through one of the wired path or the wireless path;
• and
• circuitry configured to:
• receive a notification that indicates a failure of a communication unit of a first communication device of the plurality of communication devices;
• determine path information, based on the failure of the communication unit and an amount of delay in first transmission of the data from a specific communication device to the plurality of communication devices, wherein
• the specific communication device functions as a master to the plurality of communication devices,
• the path information is for control of a path for the first transmission of the data to the plurality of communication devices,
• the path information includes information for
• the first transmission of the data from the specific communication device to a second communication device of the plurality of communication devices and a third communication device of the plurality of communication devices,
• second transmission of the data from the second communication device to a fourth communication device of the plurality of communication devices through the wired path, and
• third transmission of the data from the third communication device to a fifth communication device of the plurality of communication devices through the wired path in parallel with the second transmission of the data;
• and
• transmit the path information to the plurality of communication devices through one of the wired path or the wireless path.