T.2 Security of network exposure to edge application server

33.5013GPPRelease 18Security architecture and procedures for 5G SystemTS

It is defined in the TS 23.548 [98] clause 6.4 that the network could expose network information to the local AF with two scenarios, i.e.

– Case 1: L-PSA UPF may expose the network information to local AF via Local NEF,

– Case 2: or L-PSA UPF may expose the network information to local AF directly. However, How to deliver the information on N6 is out of scope.

For the Case 1, the Security aspects of Network Exposure Function specified in clause 12 shall be used for the network information exposure.

Annex U (informative):
Primary authentication using EAP-TTLS in SNPNs