1. Cloud Native Binding Support Function Installation Guide
  2. Introduction

1 Introduction

The Binding Support Function (BSF) allows Policy Control Function (PCF) to register, update, and remove the binding information from it, and allows Network Function (NF) consumers to discover the selected Policy Control Function.

The BSF stores the binding information for certain PDU sessions and discovers the selected Policy Control Function according to the binding information. It also acts as diameter proxy agent or diameter redirect agent to Rx requests targeting an IP address of a UE to the selected Policy Control Function.

For any AF using Rx, such as P-CSCF, the Binding Support Function determines the selected Policy Control Function address according to the information carried by the incoming Rx requests.

The BSF provides a PDU session binding functionality, which ensures that an Application Function (AF) request for a certain PDU Session reaches the relevant PCF holding the PDU Session information. This service:
  • Allows Policy Control Function users to register, update, and remove the binding information
  • Allows NF consumers to retrieve the binding information

For more information, see Oracle Communications Cloud Native Binding Support Function User's Guide.

References

Refer to the following documents for more information about Cloud Native Binding Support Function:

  • Oracle Communications Cloud Native Environment Installation Guide
  • Oracle Communications Cloud Native Binding Support Function User's Guide

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
CNPCRF Cloud Native Policy and Charging Rules Function
SAN Storage Area Network
SMF Session Management Function
UDR Unified Data Repository