Question: In a 5G network, how is the 'Mean number of QoS flows' measurement at the Session Management Function (SMF) typically calculated for performance monitoring?
Option 1: By summing all QoS flow requests and dividing by the total number of User Equipment (UE) connections.
Option 2: Through periodic polling of all Packet Data Unit (PDU) sessions without aggregation.
Option 3: By sampling at a pre-defined interval, the number of QoS flows per Single Network Slice Selection Assistance Information (S-NSSAI) and per 5G Quality Indicator (5QI), then taking the arithmetic mean.
Option 4: Via real-time analysis of all Service Function Chaining (SFC) logs.
Explanation: This is the correct method as it aligns with efficient and scalable monitoring practices in telecom networks. Sampling at intervals allows for a balance between accuracy and system resource usage, while aggregating by S-NSSAI and 5QI provides valuable insights into network performance across different slices and service qualities. This approach enables targeted optimization and troubleshooting in 5G networks.