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:
Dec. 26, 2017

Filed:

Jun. 13, 2014
Applicant:

Narus, Inc., Sunnyvale, CA (US);

Inventors:

Gyan Ranjan, Sunnyvale, CA (US);

Alok Tongaonkar, San Jose, CA (US);

Ruben Torres, Sunnyvale, CA (US);

Assignee:

Narus, Inc., Sunnyvale, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/26 (2006.01); H04L 12/851 (2013.01); H04L 12/859 (2013.01);
U.S. Cl.
CPC ...
H04L 43/10 (2013.01); H04L 43/026 (2013.01); H04L 43/04 (2013.01); H04L 47/2441 (2013.01); H04L 47/2475 (2013.01); H04L 47/2483 (2013.01);
Abstract

A method for identifying a network application. The method includes analyzing metadata and source code of a network application to extract a set of application tokens, generating an index document of the network application based on the set of application code tokens, wherein the index document is included in a library of index documents corresponding to a number of network applications, extracting a set of packet header tokens from a packet header of a packet in a flow, comparing the set of packet header tokens to the set of index documents to generate a number of match scores, wherein each match score represents a similarity measure between the set of packet header tokens and one index document, and determining, based on a highest match score corresponding to a particular network application, that the flow is generated by the particular network application.


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