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:
Dec. 19, 2017

Filed:

Oct. 08, 2015
Applicant:

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

Inventors:

Keyur Patel, San Jose, CA (US);

Serpil Bayraktar, Los Gatos, CA (US);

Manish Bhardwaj, San Francisco, CA (US);

David D. Ward, Los Gatos, CA (US);

Arjun Sreekantiah, San Jose, CA (US);

Burjiz Pithawala, Cupertino, CA (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/26 (2006.01); H04L 12/721 (2013.01); H04L 12/24 (2006.01);
U.S. Cl.
CPC ...
H04L 45/70 (2013.01); H04L 41/0893 (2013.01); H04L 43/50 (2013.01);
Abstract

A network includes a route reflector peered with client routers. From a perspective of the route reflector, a best path to the destination address is selected by applying to candidate paths ordered comparison tests that progress from policy tests through one or more additional tests until the best path is selected. A determination is made as to whether the best path was selected based on the policy tests exclusively. If the best path was selected based on the policy tests exclusively, the best path is assigned to each of the client routers. If the best path was not selected based on the policy tests exclusively, from a perspective of each client router, a respective best path is selected by applying to the candidate paths the one or more additional tests, and the respective best paths are assigned to the respective client routers.


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