Dynamically controlling packet processing

Details Dynamically controlling packet processing Dynamically controlling packet processing

2006-04-19

2009-02-17

Revak, Christopher A (Department: 2431)

Information security

Monitoring or scanning of software or data including attack...

C709S223000

Reexamination Certificate

active

07493657

ABSTRACT:
A router includes a detection module to detect a presence of the network attack, such as a denial of service (DOS) attack. The detection module may, for example, include counters indicating a number of packets processed for various network protocols supported by the router. The detection module enables a rate-limiting operating mode for the router when one or more of the counters exceed a protocol-specific threshold. Under normal traffic levels, the router receives inbound packets using interrupt-driven service routines. When a network attack is detected, however, the router dynamically switches modes and processes the patents using a finely controlled software process. This allows the software process to control the computing resources allocated to servicing packets during a network attack, thereby reserving sufficient resources for lower priority software processes to process the packets and service other tasks.

REFERENCES:
patent: 6301668 (2001-10-01), Gleichauf et al.
patent: 6499107 (2002-12-01), Gleichauf et al.
patent: 6519703 (2003-02-01), Joyce
patent: 6785232 (2004-08-01), Kotser et al.
patent: 6816973 (2004-11-01), Gleichauf et al.
patent: 7051367 (2006-05-01), Krishnaswamy et al.
patent: 2003/0223372 (2003-12-01), Sanchez et al.
patent: 2003/0225905 (2003-12-01), Scifres et al.
patent: 2007/0171824 (2007-07-01), Ruello et al.
patent: 2356104 (2001-05-01), None

Affiliated with

Also associated with

Rating

Dynamically controlling packet processing does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Dynamically controlling packet processing, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dynamically controlling packet processing will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4090715