COMMUNICATION SYSTEM, COMMUNICATION CONTROL METHOD, AND NON-TRANSITORY COMPUTER READABLE STORAGE MEDIUM

A communication control device detects occurrence of a failure in a gateway and generates, when occurrence of the failure in the gateway has been detected and a client-side communication interface of a communication control device has received first communication data from one of a plurality of server-side communication interfaces included in a communication device, path information for defining a communication path of second communication data to be transmitted from the communication control device to a server-side communication interface of a communication device having transmitted the first communication data, and transmits the second communication data based on the path information.