Session Management Method and System Based on M2M Application, and Apparatus

1. A session management method based on a machine-to-machine (M2M) application, the method comprising: acquiring gateway equipment information and group number information of a group user device, wherein the acquiring the gateway equipment information and the group number information of the group user device comprises: sending, by a mobility management network element, a first created request message to a gateway equipment that is one of a serving gateway and a gateway general packet radio service (GPRS) support node, wherein the first created request message sent by the mobility management network element comprises the mobility management network element information and the group number information of the group user device; and receiving, by the mobility management network element, a first created response message from the gateway equipment, wherein the created response message comprises gateway equipment information and the group number information of the group user device; determining that group information of the group user device has changed; instructing the gateway equipment to execute bearer change processing on the group user device, the instructing being based on the gateway equipment information and the group number information of the group user device; and executing the bearer change processing on the group user device.

2. The method according to claim 1 , wherein acquiring the gateway equipment information and the group number information of the group user device further comprises: receiving, by a mobility management network element, an access request message sent by the group user device.

3. The method according to claim 2 , wherein the gateway equipment is the serving gateway, and wherein sending the first created request message to the gateway equipment and receiving the gateway equipment information and the group number information further comprise: sending, by the serving gateway, a third created request message to a packet data network gateway, wherein the third created request message sent by the serving gateway comprises serving gateway information, and the mobility management network element information and the group number information of the group user device; and sending, by the packet data network gateway, a second created response message to the serving gateway, wherein the second created response message sent by the packet data network gateway comprises packet data network gateway information and the group number information of the group user device wherein the second created response message sent by the serving gateway further comprises packet data network gateway information.

4. The method according to claim 1 , wherein the gateway equipment is the serving gateway, and wherein instructing the gateway equipment to execute the bearer change processing on the group user device comprises: sending, by a mobility management network element, a first change request message to the serving gateway according to serving gateway information and packet data network gateway information and the group number information of the group user device, wherein the first change request message sent by the mobility management network element comprises mobility management network element information, the packet data network gateway information and the group number information of the group user device; sending, by the serving gateway, a second change request message to a packet data network gateway, wherein the second change request message sent by the serving gateway comprises serving gateway information, the mobility management network element information and the group number information of the group user device; and acquiring, by the packet data network gateway, the mobility management network element information, the serving gateway information, the packet data network gateway information and the group number information of the group user device according to the second change request message sent by the serving gateway, and executing, according to the acquired information, bearer change processing on a context of the group user device.

5. The method according to claim 1 , wherein the gateway equipment is the serving gateway, and wherein executing the bearer change processing on the group user device comprises: sending, by a packet data network gateway, a first change response message to a serving gateway, wherein the first change response message sent by the packet data network gateway comprises packet data network gateway information, mobility management network element information and the group number information of the group user device; sending, by the serving gateway, a second change response message to a mobility management network element, wherein the second change response message sent by the serving gateway comprises serving gateway information, the packet data network gateway information and the group number information of the group user device; and acquiring, by the mobility management network element, the mobility management network element information, serving gateway information, the packet data network gateway information and the group number information of the group user device according to the second change response message sent by the serving gateway, and executing, according to the acquired information, bearer change processing on a context of the group user device.

6. The method according to claim 1 , wherein the gateway equipment is the gateway GPRS support node, and wherein instructing the gateway equipment to execute the bearer change processing on the group user device comprises: sending, by a mobility management network element, a change request message to the gateway GPRS support node according to mobility management network element information and the group number information of the group user device, wherein the change request message sent by the mobility management network element comprises the mobility management network element information and the group number information of the group user device; and acquiring, by the gateway GPRS support node, the mobility management network element information, gateway GPRS support node information and the group number information of the group user device according to the change request message sent by the mobility management network element, and executing, according to the acquired information, packet data protocol (PDP) context change processing on a context of the group user device.

7. The method according to claim 1 , wherein the gateway equipment is the gateway GPRS support node, and wherein executing the bearer change processing on the group user device comprises: sending, by the gateway GPRS support node, a change response message to a mobility management network element, wherein the change response message sent by the gateway GPRS support node comprises gateway GPRS support node information and the group number information; and acquiring, by the mobility management network element, mobility management network element information, the gateway GPRS support node information and the group number information of the group user device according to the message sent by the gateway GPRS support node, and executing, according to the acquired information, PDP context change processing on a context of the group user device.

8. A session management method based on a machine-to-machine (M2M) application, the method comprising: acquiring mobility management network element information and group number information of a group user device, wherein the acquiring the mobility management element information and group number information of the group user device comprises: receiving, by a gateway equipment that is one of a serving gateway and a gateway general packet radio service (GPRS) support node, a first created request message from the mobility management network element, wherein the first created request message sent by the mobility management network element comprises the mobility management network element information and the group number information of the group user device; and sending, by the gateway equipment, a first created response message to the mobility management network element, wherein the first created response message comprises gateway equipment information, packet data network gateway information and the group number information of the group user device; determining that group information of the group user device has changed; instructing a mobility management network element to execute bearer change processing on the group user device, the instructing based on the mobility management network element information and the group number information of the group user device; and executing the bearer change processing on the group user device.

9. The method according to claim 8 , wherein acquiring the mobility management network element information and the group number information of the group user device further comprises: receiving, by the mobility management network element, an access request message sent by the group user device.

10. The method according to claim 9 , wherein the gateway equipment is the serving gateway, and wherein receiving the mobility management network element information and the group number information and sending the message to the mobility management network element comprise: sending, by the serving gateway, a second created request message to a packet data network gateway, wherein the second created request message sent by the serving gateway comprises serving gateway information, and the mobility management network element information and the group number information of the group user device; and sending, by the packet data network gateway, a second created response message to the serving gateway, wherein the second created response message sent by the packet data network gateway comprises packet data network gateway information and the group number information of the group user device.

11. The method according to claim 8 , wherein the gateway equipment is the serving gateway, and wherein instructing the mobility management network element to execute the bearer change processing on the group user device comprises: sending, by a packet data network gateway, a first change request message to the serving gateway according to serving gateway information and the mobility management network element information and the group number information of the group user device, wherein the first change request message sent by the packet data network gateway comprises the mobility management network element information, packet data network gateway information and the group number information of the group user device; sending, by the serving gateway, a second change request message to the mobility management network element, wherein the second change request message sent by the serving gateway comprises the serving gateway information, the packet data network gateway information and the group number information of the group user device; and acquiring, by the mobility management network element, the mobility management network element information, the serving gateway information, the packet data network gateway information and the group number information of the group user device according to the second change request message sent by the serving gateway, and executing, according to the acquired information, bearer change processing on a context of the group user device.

12. The method according to claim 8 , wherein the gateway equipment is the serving gateway, and wherein executing the bearer change processing on the group user device comprises: sending, by the mobility management network element, a first change response message to the serving gateway, wherein the first change response message sent by the mobility management network element comprises the mobility management network element information, packet data network gateway information and the group number information of the group user device; sending, by the serving gateway, a second change response message to a packet data network gateway, wherein the second change response message sent by the serving gateway comprises serving gateway information, the mobility management network element information and the group number information of the group user device; and acquiring, by the packet data network gateway, the mobility management network element information, the serving gateway information, packet data network gateway information and the group number information of the group user device according to the second change response message sent by the serving gateway, and executing, according to the acquired information, bearer change processing on a context of the group user device.

13. The method according to claim 8 , wherein the gateway equipment is the gateway GPRS support node, and wherein instructing the mobility management network element to execute the bearer change processing on the group user device comprises: sending, by a gateway GPRS support node, a change request message to the mobility management network element according to the mobility management network element information and the group number information of the group user device, wherein the change request message sent by the gateway GPRS support node comprises gateway GPRS support node information and the group number information of the group user device; and acquiring, by the mobility management network element, the mobility management network element information, the gateway GPRS support node information and the group number information of the group user device according to the change request message sent by the gateway GPRS support node, and executing, according to the acquired information, packet data protocol (PDP) context change processing on a context of the group user device.

14. The method according to claim 8 , wherein the gateway equipment is the gateway GPRS support node, and wherein the executing the bearer change processing on the group user device comprises: sending, by the mobility management network element, a change response message to a gateway GPRS support node, wherein the change response message sent by the mobility management network element comprises the mobility management network element information and the group number information of the group user device; and acquiring, by the gateway GPRS support node, the mobility management network element information, gateway GPRS support node information and the group number information of the group user device according to the change response message sent by the mobility management network element, and executing, according to the acquired information, PDP context change processing on a context of the group user device.

15. A mobility management network element, comprising: a processor; a non-transitory computer readable medium connected to the processor and having stored thereon modules that are executable by the processor, the modules comprising: a first acquiring unit, configured to acquire gateway equipment information and group number information of a group user device, wherein the acquiring the gateway equipment information and group number information of the group user device comprises: sending a created request message to a gateway equipment that is one of a serving gateway and a gateway general packet radio service (GPRS) support node, wherein the created request message sent by the mobility management network element comprises mobility management network element information and the group number information of the group user device; and receiving, a created response message sent by the gateway equipment and comprising the gateway equipment information and the group number information of the group user device; a second acquiring unit, configured to determine that group information of the group user device has changed; an instructing unit, configured to instruct, according to the gateway equipment information and the group number information of the group user device, a gateway equipment to execute bearer change processing on the group user device; and an executing unit, configured to execute the bearer change processing on the group user device.

16. A gateway equipment, comprising: a processor; a non-transitory computer readable medium connected to the processor and having stored thereon modules that are executable by the processor, the modules comprising: a first acquiring unit configured to acquire mobility management network element information and group number information of a group user device, wherein the acquiring the mobility management network element information and group number information of the group user device; receiving, a created request message, sent by the mobility management network element, comprising the mobility management network element information and the group number information of the group user device; and sending a created response message, to the mobility management network element, comprising gateway equipment information, packet data network gateway information and the group number information of the group user device; a second acquiring unit, configured to determine that group information of the group user device has changed; an instructing unit, configured to instruct, according to the mobility management network element information and the group number information of the group user device, a mobility management network element to execute bearer change processing on the group user device; and an executing unit, configured to execute the bearer change processing on the group user device; wherein the gateway equipment is one of a serving gateway and a gateway general packet radio service (GPRS) support node.