Technical reference
The 5G slicing architecture library
A connected reference for the functions, interfaces, identifiers and data paths behind a sliced 5G service.
Architecture map
See the device, RAN, Core, user plane and application together.
Network functions
Detailed pages for AMF, SMF, UPF, NSSF, PCF, UDM and the wider Core.
Service-based architecture
Understand service exposure, discovery and cloud-native function composition.
Interfaces
N1, N2, N3, N4, N6, N9 and service-based communication.
Identifiers
S-NSSAI, SST, SD, DNN, 5QI, QFI and subscriber identifiers.
Glossary
Plain-English definitions for the terminology used across the site.