Stage-3 service APIs and discovery for AMF, SMF, UDM, AUSF and NRF.
Layer 1
System architecture for the 5G System (5GS)
S2 · Rel-15Procedures for the 5G System (5GS)
S2 · Rel-15Layer 2
5G System; Technical Realization of Service Based Architecture; Stage 3
C4 · Rel-155G System; Principles and Guidelines for Services Definition; Stage 3
C4 · Rel-155G System; Session Management Services; Stage 3
C4 · Rel-155G System; Unified Data Management Services; Stage 3
C4 · Rel-155G System; Authentication Server Services; Stage 3
C4 · Rel-155G System; Network function repository services; Stage 3
C4 · Rel-155G System; Access and Mobility Management Services; Stage 3
C4 · Rel-15Primary feature evidence
The reviewed topic source is not an indexed Work Item record. The source link above remains the primary evidence anchor.
Connected work
These Work Items share one or more mapped specifications. Atlas does not automatically claim that every connected Work Item defines this feature.
Cross-spec traceability
23.502stage realization of23.50129.502interface specification23.50229.518stage3 realization of23.50229.503subscriber data service for23.50129.510service discovery for23.50129.502session service for23.501Primary WI evolution
No indexed CRs are linked to the primary Work Item at or before this release.
Rel-20 context
Context only: these CRs target mapped specifications in Rel-20; they are not automatically attributed to the feature.
Priority treatment by the UDM for MPS for Messaging
reissued3GPP CR ↗Support of Ethernet type of BH PDU Session for MWAB
approved3GPP CR ↗Inclusion of Forbidden EPS Areas in mobility restriction for NR to LTE mobility
approved3GPP CR ↗Providing per-subscriber Allowed MAC addresses from UDM
approved3GPP CR ↗Support of allowed MAC addresses in SM subscription data in UDM
approved3GPP CR ↗Identification of INS case and hosting operator
approved3GPP CR ↗Enhance the registration procedure to identify INS case and hosting operator
approved3GPP CR ↗PCF service update to identify Hosting Network in case of INS
approved3GPP CR ↗Enhance the PDU session procedure to support the INS for disaster condition
approved3GPP CR ↗Enhance the PDU session procedure and mobility procedures to identify INS case and hosting operator
approved3GPP CR ↗Enhance the registration procedure to support the INS for disaster condition
approved3GPP CR ↗Introducing NSSAA over EPC
approved3GPP CR ↗On introducing NSSAA over EPC
approved3GPP CR ↗Indirect Network Sharing for disaster condition
approved3GPP CR ↗Removal of editor's notes related to VFL server registration
approved3GPP CR ↗Candidate expansion · review required
Inferred only. These records are not part of the reviewed semantic catalogue. The ranking score orders structural evidence; it is not a probability or confidence value, and there is no automatic promotion action.
Policy and charging control framework for the 5G System (5GS); Stage 2
S2 · Rel-15policy_for with mapped TS/TR 23.501
Non-Access-Stratum (NAS) protocol for 5G System (5GS); Stage 3
C1 · Rel-15procedure_component with mapped TS/TR 23.502
5G System; Common Data Types for Service Based Interfaces; Stage 3
C4 · Rel-155G System; Network Exposure Function Northbound APIs; Stage 3
C3 · Rel-155G System; Policy and Charging Control signalling flows and QoS parameter mapping; Stage 3
C3 · Rel-155G System; Session Management Policy Control Service; Stage 3
C3 · Rel-15Interface between the Control Plane and the User Plane nodes
C4 · Rel-145G System; Unified Data Repository Services; Stage 3
C4 · Rel-155G System; Policy Authorization Service; Stage 3
C3 · Rel-155G System; Usage of the Unified Data Repository Service for Policy Data, Application Data and Structured Data for Exposure; Stage 3
C3 · Rel-15T8 reference point for Northbound APIs
C3 · Rel-15AT command set for User Equipment (UE)
C1 · Rel-4Traceability limits