| 摘要 |
According to one embodiment, a data sharing method for an information communication system in which a plurality of nodes that belong to a self group are connected to a network, the method includes sending, via the network, a node confirmation request to remaining nodes to confirm availabilities of the remaining nodes that belong to the self group, receiving node confirmation response messages including information indicating the availabilities from the remaining nodes, setting parameters N and M in accordance with contents of the node confirmation response messages, dividing shared data into N divided data, and M-fold distributing and storing the divided data of the shared data in N nodes, selectively collecting N divided data from not less than (N-M+1) nodes, and restoring the shared data by combining the collected N divided data.
|
