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:
Oct. 23, 2018

Filed:

May. 19, 2015
Applicant:

Cisco Technology, Inc., San Jose, CA (US);

Inventors:

Christopher Mark Hocker, Arlington, VA (US);

Bopaiah Ponnappa Puliyanda, Union City, CA (US);

Esteban Raul Torres, Danville, CA (US);

Sanjeev P. Tondale, Fremont, CA (US);

Assignee:

CISCO TECHNOLOGY, INC., San Jose, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/28 (2006.01); H04L 12/713 (2013.01); H04L 12/751 (2013.01); H04L 12/46 (2006.01); H04L 29/08 (2006.01);
U.S. Cl.
CPC ...
H04L 45/586 (2013.01); H04L 12/4616 (2013.01); H04L 12/4633 (2013.01); H04L 45/02 (2013.01); H04L 67/10 (2013.01);
Abstract

Various implementations disclosed herein include apparatuses, systems, and methods for providing virtual/virtualized network functions. In some implementations, a method includes determining that a first virtual router is configured to operate as a backup router for a second virtual router. The first virtual router and the second virtual router may reside within a public cloud. The method also includes determining, by the first virtual router, whether the second virtual router is able to route packets. The method further includes updating, by the first virtual router, a routing table to indicate that the first virtual router should be used to route packets when the second virtual router is unable to route packets.


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