IN-VEHICLE COMMUNICATION SYSTEM, CONTROL DEVICE AND ELECTRICAL DEVICE

An in-vehicle communication system that includes: a first control device; and a plurality of first electrical devices, wherein: the first control device includes: a first power source configured to output power; a plurality of first communication interfaces respectively corresponding to the plurality of first electrical devices; a plurality of first communication paths respectively corresponding to the plurality of first communication interfaces; and a first processor configured to judge first priority levels for supplying power from the first power source to the plurality of first electrical devices.