Patent attributes
A communication system comprises: a dominated node comprising a lower layer having a communication device that transmits/receives a signal to/from another node connected to a network, a notifying device that notifies said another node that the dominated node does not have an upper layer when the communication device receives a signal to an upper layer, and a processor that executes a process in accordance with the received signal corresponding to the lower layer; and a dominating node comprising a lower layer having a communication device that transmits/receives a signal to/from another node connected to the network, a first upper layer that manages the lower layer, and a second upper layer that manages the lower layer of the dominated node connected to the network.