A.12 Use case for PDU session establishment success rate of one network slice (S-NSSAI) related KPI

28.5543GPP5G end to end Key Performance Indicators (KPI)Management and orchestrationRelease 18TS

It is necessary to evaluate accessibility performance provided by 5GS. PDU session Establishment for a UE is important when it has registered to the network slice. If users or subscribers cannot establish PDU sessions in slice instance, they cannot access any network services in the network slice. This KPI is focusing on network view.