AM Policy Subscription Call Flow

This section describes the AM Policy Subscription call flow .

AM Policy Subscription Call Flow
AM Policy Subscription Call Flow Description

Step

Description

1

The AMF sends a Npcf_AmPolicyControl_Create request to the PCF.

2

If the UDR URL is not configured, the PCF sends the Nnrf_NFDiscovery request is sent to NRF.

3

In response, the NRF sends the Nnrf_NFDiscovery results to the PCF.

4

The PCF sends the Nudr_DataRespository query to the UDR.

5

In response, the UDR sends the repository details to the PCF.

6

The PCF sends the Npcf_AmPolicyControl_Create request to the AMF.

7

The PCF sends the Nudr_DataRepository query to the UDR.

8

The UDR responds to PCF with the repository information.

9

After PCF evaluates the response, if the policy has modified, then the PCF sends the Npcf_AmPolicyControl_UpdateNotify request to the AMF.

10

The AMF sends the Update Notification as a response to the PCF.