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The table below maps the service-based operations of the 5G Core Network Control Plane to reference points, service consumers, and the Stage 3 specifications governing the services. You can sort the table by clicking on any column header. Also, you can filter the content by entering any text into the Search field.

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(1) A BSF may be standalone or collocated with PCF, UDR, NRF, or SMF. No reference point is assigned.
(2) Any NF may communicate with a UDSF, an NRF or an NEF. No reference points are assigned.
(3) N24 reference point appears to have been duplicated in the specifications as both NSSF–NWDAF and H-PCF–V-PCF.
(4) No reference point has been assigned for UDM–UDR communication.