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:
Sep. 20, 2016
Filed:
Mar. 14, 2014
Applicant:
Cisco Technology, Inc., San Jose, CA (US);
Inventors:
Clarence Filsfils, Brussels, BE;
David D. Ward, Los Gatos, CA (US);
Stewart F. Bryant, Redhill, GB;
Daniel C. Frost, Feltham, GB;
Nagendra Kumar Nainar, Bangalore, IN;
Carlos M. Pignataro, Raleigh, NC (US);
Assignee:
Cisco Technology, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/723 (2013.01); H04L 12/715 (2013.01); H04L 12/24 (2006.01); H04L 12/721 (2013.01); H04L 12/741 (2013.01);
U.S. Cl.
CPC ...
H04L 41/12 (2013.01); H04L 45/04 (2013.01); H04L 45/12 (2013.01); H04L 45/46 (2013.01); H04L 45/50 (2013.01); H04L 45/507 (2013.01); H04L 45/74 (2013.01); H04L 45/745 (2013.01); H04L 45/54 (2013.01);
Abstract
In one embodiment, a packet and a segment ID stack is received at a node. The segment ID stack includes a plurality of segment IDs, one or which is a first area-segment ID that identifies a first area of a subdivided network. One of a plurality of forwarding tables at the node is selected based on the first area-segment ID. Thereafter, the packet is forwarded based on information contained in the selected forwarding table.