Feature Description
The SMF supports the deregistration of Network Function (NF) Repository Function (NRF), wherein the NF deregister service operation of the SMF removes the profile of a network function that is registered in the NRF.
The SMF starts the NF deregister service operation in the following scenarios:
When the Service Based Interface (SBI) endpoint is not configured and all the rest endpoints stop functioning.
When all the configured SBI endpoints VIP IP and N11 VIP IPs are offline.