6.3.18 5G-EIR discovery and selection

23.5013GPPRelease 18System architecture for the 5G System (5GS)TS

A consumer NF of the 5G-EIR performs discovery of 5G-EIR using either configuration or NRF as specified in clause 6.3.1. The network is configured with the 5G-EIR to serve the PLMN of the NF consumer requesting the 5G-EIR service, i.e. no roaming interface is defined.

The 5G-EIR selection function in NF consumers is independent of Access Type.