Distributed denial-of-service attack mitigation by selective...

Details Distributed denial-of-service attack mitigation by selective... Distributed denial-of-service attack mitigation by selective...

2004-02-18

2008-10-28

Patel, Haresh N (Department: 2154)

Electrical computers and digital processing systems: multicomput

Computer-to-computer session/connection establishing

Network resources access controlling

C370S401000, C713S153000, C719S311000, C709S230000, C709S249000

Reexamination Certificate

active

07444417

ABSTRACT:
In an IP network during a DDoS attack on a website or other internet entity having an IP address, selective black-holing of attack traffic is performed such that some of the traffic destined for the IP address under attack continues to go to the IP address under attack while other traffic, destined for the same IP address is, rerouted via BGP sessions to a black-hole router. Such a selective black-holing scheme can be used to allow some traffic to continue in route to the IP address under attack, while other traffic is diverted.

REFERENCES:
patent: 6920493 (2005-07-01), Schwab
patent: 2003/0172145 (2003-09-01), Nguyen
patent: 2004/0250124 (2004-12-01), Chesla et al.
patent: 1 566 947 (2005-08-01), None
patent: WO 01/46807 (2001-06-01), None
patent: WO 02/25402 (2002-03-01), None
patent: WO 2004/070535 (2004-08-01), None

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