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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.

Patent No.:

US 11343166 B1

PDFFull Text
Date of Patent:
May. 24, 2022

Filed:

Feb. 22, 2021

Health status monitoring for services provided by computing devices

Applicant:

Apple Inc., Cupertino, CA (US);

Inventors:

Hiren R. Kotadia, Sunnyvale, CA (US);

Mufaddal Y. Khumri, San Jose, CA (US);

Jordan L. Redner, Redwood City, CA (US);

Lawrence W. Chang, San Francisco, CA (US);

Tom M. Kim, Cupertino, CA (US);

Assignee:

Apple Inc., Cupertino, CA (US);

Attorney:

Dickinson Wright RLLP

Primary Examiner:

George C Neurauter, Jr

Int. Cl.
CPC ...
H04L 43/0817 (2022.01); H04L 43/091 (2022.01); G06F 9/54 (2006.01); H04L 47/70 (2022.01); H04L 43/12 (2022.01); H04L 61/4511 (2022.01); H04L 67/1008 (2022.01); H04L 67/1001 (2022.01); H04L 41/5009 (2022.01); H04L 43/0805 (2022.01); H04L 43/04 (2022.01); H04L 41/14 (2022.01); H04L 67/10 (2022.01); H04L 67/75 (2022.01); H04L 43/022 (2022.01); H04L 43/0823 (2022.01); H04L 67/133 (2022.01); H04L 41/12 (2022.01); H04L 43/08 (2022.01); H04L 43/02 (2022.01); H04L 41/0893 (2022.01); H04L 41/046 (2022.01); H04L 43/16 (2022.01);
U.S. Cl.
CPC ...
H04L 43/0817 (2013.01); G06F 9/541 (2013.01); G06F 9/547 (2013.01); H04L 41/5035 (2013.01); H04L 43/12 (2013.01); H04L 47/822 (2013.01); H04L 61/1511 (2013.01); H04L 41/046 (2013.01); H04L 41/0893 (2013.01); H04L 41/12 (2013.01); H04L 41/145 (2013.01); H04L 41/5009 (2013.01); H04L 41/5016 (2013.01); H04L 43/02 (2013.01); H04L 43/022 (2013.01); H04L 43/04 (2013.01); H04L 43/08 (2013.01); H04L 43/0805 (2013.01); H04L 43/0823 (2013.01); H04L 43/16 (2013.01); H04L 67/10 (2013.01); H04L 67/1002 (2013.01); H04L 67/1008 (2013.01); H04L 67/36 (2013.01); H04L 67/40 (2013.01);
Abstract

This application sets forth various techniques for monitoring a status of a service. According to some embodiments, a DNS server can implement a health check engine that monitors the status of the service in order to implement round-robin DNS among a plurality of availability zones. Each service instance for the service can include a monitoring agent configured to (1) monitor the status of the service instance, and (2) respond to health check messages received from the health check engine. The monitoring agent can also be configured to (1) collect statistics associated with one or more service dependencies of the service instance during a tracking window, (2) calculate at least one ratio based on the statistics collected during the tracking window, and (3) generate the status of the service instance by comparing the at least one ratio to a threshold value.

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