Patent ID: 11889330
Assignee: ZTE CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. The method according to claim 9, wherein
when determining, according to a condition of the UPF, that the UPF is capable of recording the correspondence table between the main SMF and the backup SMF, the UPF sends the first response for accepting the first request to the SMF; and when determining, according to the condition of the UPF, that the UPF is not capable of recording the correspondence table between the main SMF and the backup SMF, the UPF sends the first response for rejecting the first request to the SMF;
or,
when determining, according to a condition of the UPF, that the UPF is capable of setting the state of the main SMF in the stored correspondence table between the main SMF and the backup SMF to normal, the UPF sends the third response for accepting the third request to the SMF; and when determining, according to the condition of the UPF, that the UPF is not capable of setting the state of the main SMF in the stored correspondence table between the main SMF and the backup SMF to normal, the UPF sends the third response for rejecting the third request to the SMF.