The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 14, 2020

Filed:

Dec. 15, 2015
Applicant:

Freescale Semiconductor, Inc., Austin, TX (US);

Inventors:

Subhashini A. Venkataramanan, Fremont, CA (US);

Srinivasa R. Addepalli, San Jose, CA (US);

Assignee:

NXP USA, Inc., Austin, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/08 (2006.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04L 67/2842 (2013.01); H04L 63/0236 (2013.01); H04L 63/101 (2013.01); H04L 67/10 (2013.01); H04L 67/141 (2013.01);
Abstract

A method and apparatus receive packets, wherein the packets comprise headers, and the headers comprise session parameter values, route the packets in response to the session parameter values matching an active traffic session entry of the active traffic session entries in an active traffic session cache memory, match the session parameter values against historical session entries in an historical session cache memory in response to the session parameter values not matching any active traffic session entry of the active traffic session entries in the active traffic session cache memory, wherein the historical session entries for traffic sessions in the historical session cache memory persist after the traffic sessions are no longer active, and, in response to the session parameter values not matching any historical session entry of the historical session entries in the historical session cache memory, performing a packet security check on the packets.


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