Session suspend and resume using a transient binding option...

Details Session suspend and resume using a transient binding option... Session suspend and resume using a transient binding option...

H - Electricity

04

W

H04W 36/34 (2009.01) H04W 36/14 (2009.01) H04W 76/04 (2009.01) H04W 80/00 (2009.01) H04W 88/16 (2009.01)

Patent

CA 2761668

The present invention uses a message with a suspend/resume flag setting sent to the local mobility anchor from the foreign agent that was supporting downlink transmissions to the mobile node. Namely, a transient binding option is proposed for creating a transient BCE state at the home agent/local mobility anchor during an inter-MAG handover, which will suspend down-link traffic from the home agent/local mobility anchor until the transient BCE (suspend) state is cleared by the foreign agent previously supporting downlink transmissions. After the transient BCE (suspend) state is cleared, the downlink traffic from the home agent/local mobility anchor can resume with forwarding of downlink traffic to the mobile node through the foreign agent. The present invention can be implemented using a new protocol application or modified messages from prior registration applications.

La présente invention utilise un message avec un paramètre de drapeau de suspension/reprise envoyé à l'ancrage de mobilité locale par un agent étranger qui a pris en charge des transmissions de liaison descendante vers le nud mobile. Notamment, une option de liaison temporaire est proposée pour créer un état BCE ("binding cache entry") temporaire au niveau de l'ancrage de mobilité locale/de l'agent local pendant un transfert inter-MAG ("mobile access gate"), ce qui suspendra un trafic de liaison descendante de l'agent local/l'ancrage de mobilité locale jusqu'à ce que l'état BCE temporaire (suspendre) soit annulé par l'agent étranger ayant pris en charge antérieurement des transmissions de liaison descendante. Après annulation de l'état BCE temporaire (suspension), le trafic de liaison descendante de l'agent local/l'ancrage de mobilité locale peut reprendre avec un transfert de trafic de liaison descendante vers le nud mobile par l'agent étranger. La présente invention peut être mise en uvre à l'aide d'une nouvelle application de protocole ou des messages modifiés provenant d'applications d'enregistrement antérieures.

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