D.3 Network slice charging based on 5G data connectivity principles

32.2553GPP5G data connectivity domain chargingCharging managementRelease 17Stage 2Telecommunication managementTS

D.3.1 General

The MNO as the Netwok Slice (NS) Tenant, is assigned with one or more S-NSSAI(s), each S-NSSAI identifying a Network Slice.

The 5G charging supports converged charging per PDU session based on assigned group of S-NSSAI(s).

Converged Charging systems are deployed and configured by the MNO in order to achieve Network slice charging per S-NSSAI. A given Converged charging system can be configured to handle one or more S-NSSAI(s).

Individual UE, when subscribed to the MNO’s particular S-NSSAI, is served by the Converged Charging system allocated to this S-NSSAI, when this UE establishes a PDU session under this S-NSSAI.

5G data connectivity charging performed for individual UE over Nchf exposed by the CHF is used to perform Network Slice charging for the NS Tenant for a particular S-NSSAI.