COMMUNICATION DEVICE, BACKUP DEVICE, BACKUP SYSTEM, BACKUP METHOD AND BACKUP PROGRAM

摘要

To provide a communication device that can suppress a delay in operations other than backup based on a backup operation.SOLUTION: Regarding a position in a master data updated from a previous timing set once for each backup interval to a current timing, the communication device sends to a backup device a stationary element which is an element of the master data at the current timing.SELECTED DRAWING: Figure 2