1 Scope

29.5553GPP5G Direct Discovery Name Management Services5G SystemRelease 18Stage 3TS

The present document specifies the stage 3 protocol and data model for the N5g-ddnmf Service Based Interface. It provides stage 3 protocol definitions and message flows, and specifies the API for each service offered by the 5G DDNMF as specified in 3GPP TS 23.304 [4].

The 5G System stage 2 architecture and procedures are specified in 3GPP TS 23.501 [2] and 3GPP TS 23.502 [3].

The Technical Realization of the Service Based Architecture and the Principles and Guidelines for Services Definition are specified in 3GPP TS 29.500 [5] and 3GPP TS 29.501 [6].