COMMUNICATION SYSTEM, COMMUNICATION DEVICE, CONTROL DEVICE, CONTROL METHOD, AND PROGRAM

摘要

Whether or not a signal which is transmitted from a current operation side node to a stand-by side node has been disconnected is determined on a communication route for the signal, When the signal is determined to have been disconnected, the network route is switched to the network route used when a client unit and the stand-by side node perform data communication. With this, the switching of the network route when processing having been performed by a node of a system is performed by another node in place of the node can be made quickly.