| 摘要 |
The invention provides a method of backing up data, in which plural information processing units connected to a network are not required to monitor each other, and autonomously send data to the other information processing units to buck up the data. The method, using the plural information processing units connected to the network collects information as to a possibility of backing up the data from the other plural information processing units connected to the network, adds addresses for identifying the other information processing units to collected information, and stores the collected information in a storage device. When the backup becomes necessary, the method sends a backup request to the other information processing units selected on the basis of the information stored in the storage device, and sends backup data to the other information processing units that returned to accept the backup request.
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