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GTS primitive/5G component | User equipment (UE) | gNB | AMF | UPF | AUSF/UDM | SMF |
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Reserve | Locate one specific UE and connect | Ensure that the gNB is available on the testbed | Instantiate AMF VNF | Instantiate UPF VNF | Instantiate AUSF VNF | Instantiate SMF VNF |
Activate | Attach to 5G slice | Activate N2, N3 interfaces to the correct AMF, UPF and start PLMN broadcast | Connect interfaces N8, N11, N12 with the rest of the components | Connect interfaces N4, N6 with SMF and DN | Register user credentials and keys, connect to AMF | Configure UE IP address pool, traffic steering, connect to AMF/UPF |
Deactivate | Detach from 5G slice | Close logical association with AMF/UPF | Disconnect from other entities | Disconnect from other entities | Disconnect from other entities | Disconnect from other entities |
Release | Free from testbed | Return resource to the pool | Shutdown VNF | Shutdown VNF | Shutdown VNFs | Shutdown VNF |
Query | Get connectivity status and measurements | Get logical association status, number of UE connected, measurements | Get connection status | Get connection status | Get connection status, registered users | DL data notification, traffic routing |
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