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:
Mar. 31, 2026

Filed:

Dec. 22, 2023
Applicant:

Palo Alto Networks, Inc., Santa Clara, CA (US);

Inventors:

Lei Xu, Santa Clara, CA (US);

Taojie Wang, San Jose, CA (US);

Shengming Xu, San Jose, CA (US);

Assignee:

Palo Alto Networks, Inc., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/40 (2022.01); G06F 21/55 (2013.01); G06N 20/20 (2019.01); H04L 41/0631 (2022.01); H04L 41/16 (2022.01);
U.S. Cl.
CPC ...
H04L 63/1425 (2013.01); G06F 21/552 (2013.01); G06N 20/20 (2019.01); H04L 41/0631 (2013.01); H04L 41/16 (2013.01); H04L 63/0428 (2013.01); H04L 63/1433 (2013.01);
Abstract

A system, method, and device for classifying traffic is disclosed. The method includes (i) correlating a plurality of network traffic sessions with same source indicators to obtain correlated network traffic, (ii) classifying the plurality of network traffic sessions based at least in part on a plurality of first-layer classifiers to obtain a set of first-layer classifications, wherein the plurality of first-layer classifiers are respectively associated with a plurality of protocols, and (iii) determining a second-layer classification for the correlated network traffic based at least in part on the set of first-layer classifications.


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