Architecture builder · auto-connect

Pick a mode. Watch the network build itself.

Click any node to see its protocols, interfaces, and 3GPP role. Every line is a labeled interface. Toggle modes (4G LTE / 5G NSA / 5G SA / O-RAN 7.2x) and the topology rebuilds with the right boxes wired up.

Mode

Split

Auto-connected — 5G SA · CU-CP/CU-UP split

Topology · auto-connected

Node Details

Click any node →

Hover or click any node in the topology to see its role, all interfaces, protocol stack, and 3GPP specification reference. Lines are labeled with their interface name + protocol stack.

Every protocol stack, fully expanded

All control-plane, user-plane, and management-plane protocols across every interface — NAS, RRC, NGAP, F1AP, E1AP, XnAP, X2AP, S1AP, GTP-U, PFCP, SCTP, Diameter, NETCONF, eCPRI.

Radio stack — UE side · gNB side

Both ends of the Uu radio interface. Same layers, mirrored direction.