NAP Notification Call Flow

This section describes the call flow for the NAP Notification.

NAP Notification Call Flow
NAP Notification Call Flow Description

Step

Description

1

The SMF sends an N7 Create request to the PCF requesting the policy details.

2

The PCF searches for the configured policies by sending the LDAP Search request towards LDAP.

3

The LDAP sends the response with search results in the LDAP Search success message to the PCF.

4

PCF evaluates the policies to determine the newly added or modified policies, and install the rules as required.

The PCF responds with a set of pccRules to the original N7_Create request from the SMF with HTTP status 201.

5

The NAP sends a SOAP request for Subscriber Profile Change to the PCF.

6

In response to the request, PCF sends a Success response along with the requested subscriber information to NAP.

7

After PCF initiates a search request to LDAP, the PCF sends a LDAP Search request to LDAP.

8

The LDAP responds with LDAP_Search success message and the search results to the PCF.

9

PCF reevaluates the policies to determine the updated or modified policies, and installs or removes the policy rules as required. The PCF initiates an N7 Notify request to the SMF.

10

The SMF acknowledges the request with the N7 Notify response message towards the PCF.