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.:
Date of Patent:
Jul. 09, 2019
Filed:
May. 25, 2016
Arista Networks, Inc., Santa Clara, CA (US);
Justin Costa-Roberts, Santa Clara, CA (US);
Karthik Subraveti, Santa Clara, CA (US);
Thejesh Panchappa, Santa Clara, CA (US);
Gagandeep Arneja, Santa Clara, CA (US);
Andre Pech, Santa Clara, CA (US);
ARISTA NETWORKS, INC., Santa Clara, CA (US);
Abstract
A method for high-availability operation is provided. The method includes communicating state information from each of a plurality of network elements to at least a first master network controller. The method includes communicating transformed state information from the first master network controller to the plurality of network elements and to each of a plurality of follower network controllers. The method includes continuing the high-availability operation with a new master network controller selected from among the plurality of follower network controllers as a failover, using the transformed state information in the new master network controller and in the plurality of network elements, responsive to a failure of the first master network controller. A network controller system is also provided.