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:
Jan. 17, 2012
Filed:
Sep. 11, 2007
Ashutosh Dutta, Bridgewater, NJ (US);
Abhrajit Ghosh, Edison, NJ (US);
Subir Das, Kendall Park, NJ (US);
Dana Chee, Maplewood, NJ (US);
Kyriakos Manousakis, New Brunswick, NJ (US);
Funchun Joseph Lin, Morris Plains, NJ (US);
Shih-wei LI, Germantown, MD (US);
Tsunehiko Chiba, Saitama, JP;
Hidetoshi Yokota, Minuma, JP;
Akira Idoue, Toda, JP;
Ashutosh Dutta, Bridgewater, NJ (US);
Abhrajit Ghosh, Edison, NJ (US);
Subir Das, Kendall Park, NJ (US);
Dana Chee, Maplewood, NJ (US);
Kyriakos Manousakis, New Brunswick, NJ (US);
Funchun Joseph Lin, Morris Plains, NJ (US);
Shih-wei Li, Germantown, MD (US);
Tsunehiko Chiba, Saitama, JP;
Hidetoshi Yokota, Minuma, JP;
Akira Idoue, Toda, JP;
Telcordia Technologies, Inc., Piscataway, NJ (US);
KDDI Corporation, , JP;
Abstract
A mechanism by which handoff delay can be minimized while not compromising the IMS/MMD security and also protecting the media if required by certain applications is presented. One proactive method includes proactive authentication. Another proactive method includes proactive security association, such as transferring SA keys from old proxy to new proxy, or transferring keys through serving signal entities. Reactive methods include transferring SA keys from old proxy to new proxy, using either push or pull technology. Other reactive methods include transferring keys through serving signal entities using either push or pull technology.