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:
Apr. 22, 2014
Filed:
Apr. 18, 2007
Scott Roy Fluhrer, North Attleboro, MA (US);
Lingyan Huang, Milpitas, CA (US);
Brian E. Weis, San Jose, CA (US);
Sheela Dixit Rowles, Cupertino, CA (US);
Scott Roy Fluhrer, North Attleboro, MA (US);
Lingyan Huang, Milpitas, CA (US);
Brian E. Weis, San Jose, CA (US);
Sheela Dixit Rowles, Cupertino, CA (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
A system and method for facilitating anti-replay protection with multi-sender traffic is disclosed. The system employs time-based anti-replay protection wherein a sender transmits a data packet with a pseudo-timestamp encapsulated in a metadata payload. At the receiving end, the receiver compares the pseudo-timestamp information received with its own pseudo-time, determines if a packet is valid, and rejects a replay packet. The pseudo-time information is transmitted through the metadata payload and new fields need not be added to the IPSec (IP Security) Protocol, thus the existing hardware can be employed without any changes or modifications.