FIELD

The subject matter herein generally relates to computer communications.

BACKGROUND

Distributed denial of service (DDoS) attacks means multiple computers being used as attack platforms with the help of client/appliance. When DDoS attacks are launched on one or more target devices, the power of denial of service attacks is strongly increased. In the existing art, traffic of distributed denial of service attack is difficult to detect due to small amounts of traffic when the attack is distributed.

