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draft-TR 29.891 (CT4)
CT WG4 aspects of 5G System Phase 1

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(W-zip) V0.3.0    2017/06    80 p.


Rapporteur:  Mr. Landais, Bruno
See also:  5G-related TS/TR    


The present document analyses the CT4 aspects of the 5G System (5GS) - Phase 1, based on the service requirements defined in TS 22.261, the stage 2 system architecture requirements defined in TS 23.501 and the stage 2 procedures and flows defined in TS 23.502.

These CT4 aspects include the study and selection of the protocols and the definition of the procedures and services that will be used in the 5GS, including:
  • the protocol and procedures for User Plane interfaces;
  • the protocols, procedures and services for Control Plane interfaces (excluding PCC interfaces);
  • the User Plane management procedures over N4;
  • the interworking with E-UTRAN connected to EPC;
  • specific services in the 5GS (SMS, PWS, LCS, IMS, Emergency Services, MPS, PEI checking);
  • numbering, addressing and identification in the 5GS;
  • subscriber data in 5GS;
  • Network slicing impacts;
  • Impacts due to Virtualization.
The present document also helps assessing the appropriate CT4 specifications structure for documenting the CT4 impacts for the 5GS. It is used as a place holder for CT4 5GS materials to be moved to appropriate 3GPP technical specifications when the TR is sufficiently stable.

SA2 or SA3 status is added as a note when unstable topics in SA2 or SA3 are described in this document.


 

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1   Scope   Word-p. 10
2   References
3   Definitions, symbols and abbreviations   Word-p. 11
4   Architecture and Requirements
5   Protocol and procedures for User Plane interfaces
6   Protocols, procedures and services for Control Plane interfaces
6.1   General
6.2   Service Based Architecture   Word-p. 18      Up
6.3   Architecture in Reference Point Representation   Word-p. 29
6.4   Session Management Function Procedures and Services
6.4.1   Requirements
6.4.2   Solution and Protocol Selection for Services offered by the SMF for use over N11   Word-p. 35
6.4.3   Solution and Protocol Selection for Services offered by the SMF for use over N16      Up
6.4.4   Solution and Protocol Selection for Services offered by the SMF for network internal exposure
6.5   Access and Mobility Management Function Procedures and Services
6.6   Authentication Server Function Procedures and Services
6.7   Unified Data Management Procedures and Services
6.7.1   Requirements   Word-p. 43
6.7.2   Solution and Protocol Selection for Services offered by the UDM for use over N8   Word-p. 47
6.7.3   Solution and Protocol Selection for Services offered by the UDM for use over N10
6.7.4   Solution and Protocol Selection for Services offered by the UDM for use over N13
6.7.5   Solution and Protocol Selection for Services offered by the UDM for network internal exposure
6.8   Network Function Discovery and Selection      Up
6.9   Unstructured Data Storage Function Procedures and Services      Up
6.10   Structured Data Storage Function Procedures and Services   Word-p. 55
6.11   NEF Procedures and Services   Word-p. 57

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