A.8 Use case for QoS flow retainability-related KPI

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

QoS flow is the key and limited resource for 5GS to deliver services. The release of the QoS flow needs to be monitored. QoS flow retainability is a key performance indicator of how often an end-user abnormally losing a QoS flow during the time the QoS flow is used. This key performance indicator is of great importance to estimate the end users’ experiences.