Method and apparatus for protecting legitimate traffic from dos and ddos attacks

• Main Authors: AHN GAEIL, KIM KI-YOUNG, JANG JONG SOO
• Format: Patent
• Language: English
• Published: 23.02.2006
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRIC DIGITAL DATA PROCESSING; ELECTRICITY; PHYSICS; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

An apparatus for protecting legitimate traffic from DoS and DDoS attacks has a high-priority ( 505 ) and a low-priority ( 506 ) queue. Besides, a queue information table ( 402 ) has STT (Source-based Traffic Trunk) service queue information of a specific packet. A queue coordinator ( 502 ) updates t...