5.3 Procedures for Data Collection AF subscription

26.5313GPPData Collection and ReportingGeneral description and architectureRelease 17TS

Subsequently, one or more of the two types of event consumer discover the Data Collection AF and subscribe to events from it.

Figure 5.3‑1: High-level procedures for subscription phase

The steps are as follows:

5. The NWDAF discovers the Data Collection AF by following the Nnrf_NFDiscovery procedure defined in clause 5.2.7.3 of TS 23.502 [3]…

6. …and then subscribes to event(s) of interest by invoking the Naf_EventExposure_Subscribe service operation defined in clause 5.2.19.2.2 of TS 23.502 [3] on the discovered Data Collection AF. As described in clause 4.6.1, user-, location- and/or application-based filters may be specified as additional input parameters to the operation.

7. The Event Consumer AF discovers the Data Collection AF by following the Nnrf_NFDiscovery procedure defined in clause 5.2.7.3 of TS 23.502 [3]…

8. …and then subscribes to event(s) of interest by invoking the Naf_EventExposure_Subscribe service operation defined in clause 5.2.19.2.2 of TS 23.502 [3] on the discovered Data Collection AF.