System and method for session restoration at geo-redundant gateways

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 sec...

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Bibliographische Detailangaben
Hauptverfasser:	KOMPELLA VACHASPATI P, MULEY PRAVEEN VASANT, NELAKONDA SATHYENDER, SINHA SATYAM
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION WIRELESS COMMUNICATIONS NETWORKS
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Beschreibung
Zusammenfassung:	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.