| 摘要 |
A method of circulating data between servers while updating the data between the servers includes the steps of downloading registered data having a first access key attached thereto from a source server to a client, the first access key including a server identifier of the source server and a first user identifier of a user who registered the registered data, uploading a file from the client to a destination server, the file including updating data and the registered data having the first access key attached thereto, comparing, in the destination server, the registered data and the first access key uploaded from the client with the registered data and the first access key that are obtained from the source server in response to a request sent from the destination server to the source server, and registering the file in the destination server if the comparison gives a match.
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