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:
May. 24, 2016
Filed:
Apr. 07, 2014
Applicant:
Cisco Technology, Inc., San Jose, CA (US);
Inventors:
Assignee:
Cisco Technology, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
H04L 63/0272 (2013.01); H04L 9/083 (2013.01);
Abstract
Techniques are presented herein for optimizing secure communications in a network. A router in a virtual private network determines whether or not it has successfully registered with a key server that provides cryptographic keys for routers in the virtual private network. The router stores state information that is indicative of whether or not the router has successfully registered with the key server.