W.5 Security protection for interworking between 5MBS and eMBMS

33.5013GPPRelease 18Security architecture and procedures for 5G SystemTS

Interworking between 5G MBS and eMBMS is supported at service layer. The procedures for inter system mobility with interworking at service layer is specified in clause 7.4 in TS 23.247 [103].

The joint BM-SC+MBSF/MBSTF functionality provides the security protection for MBS traffic. During inter-system mobility, when the target system is EPS, the security protection specified in TS 33.246 [102] applies. The security protection specified in present document applies to the case when the target system is 5GS.

Annex X (normative):
Security aspects of enablers for Network Automation (eNA) for the 5G system (5GS) Phase 2