D.2 Architecture considerations

32.2513GPPCharging managementPacket Switched (PS) domain chargingRelease 17Telecommunication managementTS

D.2.1 High level architecture

For offline charging the IP-Edge [PCEF] /TDF may generate accounting metrics sets to record a user’s access to external networks based on clause D.2.2 architecture.

Online charging is supported from the IP-Edge [PCEF] /TDF based on clause D.2.3.

D.2.2 PS domain offline charging architecture

The Rf interface is supported from the Policy and Charging Enforcement Function (PCEF) located in IP-Edge, and includes the required FBC functionality of the Gz reference point, adapted to IP-Edge [PCEF] as defined in this Annex.

The Rf, Ga and Bp interfaces are supported from the TDF and includes the required ABC functionality of the Gzn reference point as defined for the PCN in clause 4.2

D.2.3 PS domain online charging architecture

The Ro interface is supported from the Policy and Charging Enforcement Function (PCEF) located in IP-Edge as per clause 4.3 architecture, and includes the required FBC functionality of the Gy reference point, adapted to IP-Edge [PCEF] as defined in this Annex.

The Ro interface is supported from the TDF as per clause 4.3 architecture, and includes the required ABC functionality of the Gyn reference point as defined for the PCN in clause 4.3.