| 摘要 |
A management device includes a node selecting unit, a replicating unit, and a switching unit. The node selecting unit selects a backup node for a management node, from a plurality of nodes in a network formed from a plurality of networks by a specific rule based on multiple indexes that include at least one of the management range to which the node belongs to, the volume of data, and an operation time. The replicating unit replicates management information to the backup node. The switching unit switches, when the management node stops, the backup node to the management node.
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