A Slice is a logical network based on Radio Access Network, Transport Network and Core Network, it is built as we decide to build it: per vertical, service, customer, technical characteristics, functional characteristics …
Regarding network functions required for 5G slicing support :
- Mandatory 5G Core network functions are AMF/SMF/UPF/AUSF/UDM/NRF.
- The dedicated Network Slice Selection Function (NSSF) is used for slice selection, with operator policies, when several slices are used.
Regarding specific features for use cases requirements using a specific slice type: