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:
Mar. 26, 2019
Filed:
Jul. 21, 2017
Applicant:
Cisco Technology, Inc., San Jose, CA (US);
Inventors:
Stefano Benedetto Previdi, Rome, IT;
James N. Guichard, New Boston, NH (US);
Clarence Filsfils, Brussels, BE;
Carlos M. Pignataro, Raleigh, NC (US);
Assignee:
Cisco Technology, Inc., San Jose, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/46 (2006.01); H04L 29/06 (2006.01); H04L 12/723 (2013.01); H04L 12/725 (2013.01); H04L 12/741 (2013.01); H04L 12/851 (2013.01);
U.S. Cl.
CPC ...
H04L 45/507 (2013.01); H04L 12/4633 (2013.01); H04L 45/306 (2013.01); H04L 45/50 (2013.01); H04L 45/74 (2013.01); H04L 47/2441 (2013.01); H04L 69/22 (2013.01);
Abstract
In one embodiment, a device in a network receives a packet that includes a forwarding label for a service in a service chain. The packet encapsulates a service chain header for the service chain. The device swaps the forwarding label for the service in the packet for a reserved label that identifies the packet as encapsulating the service chain header. The device forwards the packet with the reserved label to the service.