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. 22, 2022

Filed:

Dec. 18, 2020
Applicant:

Schweitzer Engineering Laboratories, Inc., Pullman, WA (US);

Inventors:

Colin Gordon, Katy, TX (US);

Jason A. Dearien, Moscow, ID (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04L 63/162 (2013.01); H04L 9/0819 (2013.01); H04L 9/0838 (2013.01); H04L 63/0435 (2013.01); H04L 63/126 (2013.01);
Abstract

A system includes an intelligent electronic device (IED) and a control system configured to perform operations that include initiating establishment of a media access control security (MACsec) communication link via a MACsec key agreement (MKA) protocol, identifying information associated with the IED in response to initiation of the establishment of the MACsec communication link, the information being indicative of a protocol to be used by the IED to communicate data, and establishing a unidirectional MACsec communication link based on the information associated with the IED.


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