| 摘要 |
A charging rate server 7 acquires the access concentration degree to each contents server 4 periodically and determines the charging rate for each contents server 4 in response to the current access concentration degree acquired. Information concerning the current charging rate determined for each contents server 4 by the charging rage server 7 is sent through the Internet 1 to a charging unit 8, which then charges each user terminal 6 in response to the charging rate, and the information concerning the current charging rate is also sent to the user terminal 6 as the value of the current charging rate. Such variable charging rate control by server, of considering the access concentration degree for each accessed contents server 4 for changing the charging rate is performed, whereby it is made possible to improve response between the server and the user terminal.
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