| 摘要 |
<p>A communication system according to the present invention includes: a mobile terminal; a base station; an operation/maintenance server; and a gateway that has a DPI function that detects whether or not uplink data received from said mobile terminal is illegal traffic. If said base station detects that an amount of the traffic of said uplink data exceeds a threshold, said base station transmits an alarm, that denotes that the amount of the traffic of said uplink data exceeds the threshold, to said operation/maintenance server. If said operation/maintenance server receives said alarm from said base station, said operation/maintenance server transmits to said gateway an activation command that causes said gateway to activate said DPI function.</p> |
