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:
Dec. 16, 2014
Filed:
Mar. 18, 2012
Vachaspati P. Kompella, Cupertino, CA (US);
Satyam Sinha, Sunnyvale, CA (US);
Praveen Vasant Muley, Mountain View, CA (US);
Sathyender Nelakonda, Saratoga, CA (US);
Vachaspati P. Kompella, Cupertino, CA (US);
Satyam Sinha, Sunnyvale, CA (US);
Praveen Vasant Muley, Mountain View, CA (US);
Sathyender Nelakonda, Saratoga, CA (US);
Alcatel Lucent, Buologne-Billancourt, FR;
Abstract
A method and system for managing a backup service gateway (SGW) associated with a primary SGW, comprising periodically receiving from the primary SGW at least a portion of corresponding UE session state information, the received portion of session state information being sufficient to enable the secondary SGW to indicate to an inquiring management entity that all user sessions associated with a group of mobile devices supported by the primary SGW are in a live state; and in response to a failure of the primary SGW, assuming management of IP addresses and paths associated with the primary SGW and causing each UE supported by the failed primary SGW to reauthorize itself to the network.