| 摘要 |
PROBLEM TO BE SOLVED: To allow each of nodes distributed on a network to manage reliability of common share information stored in its own node and to correct the common share information by means of the reliability. SOLUTION: A reliability management means 7 manages reliability of node information stored in a node table 5 of its own node 2. In the case of applying common share processing to the node information periodically or a specific point of time by using a multiple address communication means 3, the means 3 transmits the node information with the reliability added thereto. The node 2 receiving the node information with the reliability added thereto uses a node table correction means 16 to compare the reliability with reliability listed in its own node table 5 and decides whether or not its own node table 5 is to be corrected depending on the result. Thus, it is possible to efficiently correct the node information shared in common by each node 2 by using the reliability.
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