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:
May. 18, 2021

Filed:

Jun. 12, 2019
Applicant:

Arista Networks, Inc., Santa Clara, CA (US);

Inventors:

Geoffrey Hanson, San Jose, CA (US);

Vincent Cridlig, San Francisco, CA (US);

Edward Chien, Los Altos, CA (US);

Assignee:

Arista Networks, Inc., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/20 (2006.01); H05K 7/20 (2006.01);
U.S. Cl.
CPC ...
G06F 1/206 (2013.01); H05K 7/20136 (2013.01); H05K 7/20209 (2013.01);
Abstract

Techniques for optimizing airflow in a network device are provided. In one set of embodiments, a network device can identify one or more device components whose temperature thresholds may be adjusted to be higher (or in other words, more aggressive) than their normal values. The network device can then increase the temperature thresholds for those identified components and use the increased thresholds as static inputs to a fan control algorithm of the device. In another set of embodiments, the network device can check the current airflow within the device on a periodic basis. If the current airflow does not meet an airflow requirement, the network device can incrementally increase the temperature thresholds of the identified components, provide the increased thresholds to its fan control algorithm, and subsequently re-check the current airflow. These steps can repeat until the current airflow meets the airflow requirement.


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