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:
Jul. 03, 2018

Filed:

Jun. 09, 2015
Applicant:

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

Inventors:

Prashanth Patil, Bangalore, IN;

Tirumaleswar Reddy, Bangalore, IN;

Daniel G. Wing, San Jose, CA (US);

James Guichard, New Boston, NH (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 13/00 (2006.01); H04L 29/06 (2006.01); H04L 29/08 (2006.01);
U.S. Cl.
CPC ...
H04L 65/1069 (2013.01); H04L 63/0281 (2013.01); H04L 63/0471 (2013.01); H04L 63/166 (2013.01); H04L 67/141 (2013.01); H04L 67/28 (2013.01);
Abstract

A first service node receives a message configured to set up a secure communication session between a client and a server, in which the first service node acts as a proxy. Data packets in the secure communication session are subject to multiple service functions that require decryption of the data packets. A service function chain assigns a service node to each of the service functions. A service header is generated including metadata instructing the service nodes other than the first service node not to act as proxies in the secure communication session. The message and the service header are transmitted to a second service node in the service function chain.


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