Patent ID: 11877251
Assignee: SHENZHEN AI-LINK CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. The method according to claim 6, wherein before the receiving, by a policy control function PCF, a target virtual dedicated link acquisition request sent by a session management function SMF according to a target PDU session establishment request, the method further comprises:
sending, by the PCF, a virtual dedicated link subscription request to a unified data management UDM; and
receiving, by the PCF, a subscription event notification replied by the UDM according to the virtual dedicated link subscription request, wherein the subscription event notification comprises virtual dedicated link information, and the virtual dedicated link information comprises interface information and session information, wherein the virtual dedicated link information is created by a network exposure function NEF in response to a request of an application function AF, and then acquired and sent to the UDM.