| 摘要 |
<p>In this invention, a step of acquiring information about connection time, information about an amount of transmitted and received data during the connection time and information about line speed during the connection time for a specific user; a judging step of judging whether a utilization state of a specific user is in a predetermined state by using the information about the connection time, the information about the amount of the transmitted and received data and the information about the line speed; and a step of sending a notification concerning the specific user to the specific user, or to an administrator or the like, if it is judged that the utilization state of the specific user is in the predetermined state are executed. Thus, a notification concerning a user having a low utilization degree can be made, and therefore, improvement of the utilization rate can be encouraged. <IMAGE></p> |
