Open5GS is an implementation of an open source 5G core network. Open5GS includes a series of software components and network functions to realize the core functions of 4G/5G NSA and 5G SA.

Open5GS 5G SA Core includes the following functions:

• NRF – NF Repository Function
• SCP – Service Communication Proxy
• AMF – Access and Mobility Management Function
• SMF – Session Management Function
• UPF – User Plane Function
• AUSF – Authentication Server Function
• UDM – Unified Data Management
• UDR – Unified Data Repository
• PCF – Policy and Charging Function
• NSSF – Network Slice Selection Function
• BSF – Binding Support Function