Apparatus and method for controlling abnormal traffic

An apparatus for controlling network traffic comprising:

• a list management unit which stores a list of Internet Protocols (IP) addresses transmitting normal packets and, if an IP address transmitting packets constituting current packet traffic currently input to a network utilize a registered IP address listed in the IP address list, announces that the current packet traffic is packet traffic generated by a registered IP address;
• a channel allocation unit which determines whether packets input via the list management unit are normal or abnormal, allocates channels to the input packets in such a manner that a packet determined as being normal is given priority over a packet determined as being abnormal, adjusts a number of channels reserved for allocation to normal packets in response to a predetermined control command, transmits the input packets to a network node, and transmits IP information regarding the input packets that are determined as being normal, the predetermined control command being issued according to a level of services for normal packet traffic;
• a success rate determination unit which determines a service success rate for packets received from a registered IP address listed in the IP address list stored in the list management unit based on packet traffic information received from the list management unit and the IP address information received from the channel allocation information;
• and
• a channel number adjustment unit which transmits the predetermined command to the channel allocation unit so that the channel allocation unit can adjust the number of channels reserved for allocation to normal packets based on the service success rate determined by the success rate determination unit.