Scalable filtering and policing mechanism for protecting user traffic in a network

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7804774
SERIAL NO

11565942

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Described are computer-based methods and apparatuses, including computer program products, for scalable filtering and policing mechanism for protecting user traffic in a network. A data packet is filtered by a multi-tiered filtering and transmission system. Data packets matching the first tier filter are discarded. Data packets matching the second tier filter are transmitted to an output module based on a criterion. Data packets in the third tier filter are hashed into bins and data packets matching an entry in the bin are transmitted to the output module based on a criterion for the bin. Data packets in the fourth tier transmission system are transmitted to the output module based on a criterion. Data packets that do not meet the criterion for transmission to the output module are transmitted to an attack identification module which analyzes the data packets to identify attacks.

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Patent Owner(s)

  • SONUS, INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bharrat, Shaun Jaikarran Manalapan, US 33 418
Duffy, Mark Lexington, US 22 1221
Li, Shiping Acton, US 42 445
Yang, Jian Boxboro, US 565 5895

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