Introduction

1 Introduction

This document provides information on how to use the Policy Control Function and configure the services.

Overview

The Policy Control Function (PCF) is a functional element for policy control decision and flows based charging control functionalities. The PCF provides the following functions:

Policy rules for application and service data flow detection, gating, QoS, and flow based charging to the Session Management Function (SMF)
Access and Mobility Management related policies to the Access and Mobility Management Function (AMF)
Provide UE Route Selection Policies (URSP) rules to UE via AMF
Accesses subscription information relevant for policy decisions in a Unified Data Repository (UDR)

The PCF supports the above functions through the following services:

Session Management Service
Access and Mobility Service
Policy Authorization Service
User Equipment (UE) Policy Service

Acronyms and Terminology

The following table provides information about the acronyms and the terminology used in the document.

Table 1-1 Acronyms and Terminology

Acronym	Definition
AMF	Access and Mobility Management Function
BSF	Binding Support Function
CHF	Charging Function
CM	Configuration Management
CUSTOMER_REPO	Docker registry address including the port number, if the docker registry has an associated port.
IMAGE_TAG	Image tag from release tar file. You can use any tag number. However, make sure that you use that specific tag number while pushing docker image to the docker registry.
MCC	Mobile Country code
METALLB_ADDRESS_POOL	Address pool which configured on metallb to provide external IPs .
MNC	Mobile Network code
NRF	Network Repository Function
PCF	Policy Control Function
SAN	Storage Area Network
SMF	Session Management Function
UDR	Unified Data Repository

References

You can refer to the following documents for information.