Update Policy Association

This section describes the call flow of th policy associations are updated.

Update a Policy Association Call Flow
Update a Policy Association Call Flow Description

Step

Description

1

When AMF is relocated and the new AMF instance prefers to maintain the policy association, the AMF sends the Npcf_ AMPolicyControl_Update request to PCF.

2

The PCF registers and subscribes to the triggers for the service area restriction changes and responds to AMF with the trigger details.

3

In case of registration failure, PCF responds to AMF with an error indicating that the request is not completed and details of the issue that caused the failure.