摘要 |
<p>A method, system and apparatus for managing a backup service gateway (SGW) associated with a primary SGW, the backup SGW periodically receiving from the primary SGW at least a portion of corresponding UE session state information and in response to a failure of the primary SGW, assuming management of IP addresses and paths associated with the primary SGW, and in response to receiving control or data plane traffic associated with a UE, generating a Downlink Data Notification (DDN) message adapted to inform an MME that the UE is in a live state.</p> |
申请人 |
ALCATEL-LUCENT USA INC.;KOMPELLA, VACHASPATI, P.;SINHA, SATYAM;MULEY, PRAVEEN, VASANT;NELAKONDA, SATHYENDER |
发明人 |
KOMPELLA, VACHASPATI, P.;SINHA, SATYAM;MULEY, PRAVEEN, VASANT;NELAKONDA, SATHYENDER |