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. 20, 2012
Filed:
Feb. 24, 2006
Satish K. Mynam, San Jose, CA (US);
Chandrashekhar Appanna, Cupertino, CA (US);
Martin Djernaes, Dublin, CA (US);
Satish K. Mynam, San Jose, CA (US);
Chandrashekhar Appanna, Cupertino, CA (US);
Martin Djernaes, Dublin, CA (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
Approaches are disclosed for switching transport protocol connection keys. A method of automatically changing a message authentication key at each of two endpoints of a connection in a telecommunications network comprises testing a date-time value received in each of a plurality of data segments on the connection; and selecting a next message authentication key, from among a plurality of stored message authentication keys, for use in authenticating subsequently received data segments, when the date-time value matches a specified characteristic.