Content for TR 23.799 Word version: 14.0.0
7 Architecture(s) for the Next Generation System
8 Conclusions
A Key technical areas identified for investigation during the study
B Network slicing concept by NGMN
C Work planning for NextGen Study Item on how to focus Rel-14 study
D Potential solution scenarios for support of multiple slices per UE
E Guidelines for specifying procedures, to allow its re-use
F Minimizing access dependencies in the NextGen Core and AN - CN Interface
G Reference point naming
H Support of edge computing
I Guidelines for defining network function granularity
J Deployment Scenarios
K Specifying a service based architecture
$ Change history
7 Architecture(s) for the Next Generation System p. 437
7.1 Consolidated architecture option 1 p. 437
7.1.1 General p. 437
7.1.2 High level architectural principles p. 437
7.1.3 Reference architecture p. 439
7.1.4 High level functional description p. 441
7.2 Consolidated architecture option 2 p. 442
7.2.1 General p. 442
7.2.2 Non-roaming reference architecture and reference points p. 442
7.2.3 Roaming reference architectures p. 444
7.3 Consolidated architecture option 3 p. 445
7.3.1 General p. 445
7.3.2 Reference architecture p. 446
7.3.3 Applicable solutions p. 450
7.3.4 Evaluation p. 450
7.4 Consolidated architecture option 4 p. 450
7.4.1 Non-roaming reference architecture and reference points p. 450
7.4.2 Roaming architectures p. 455
7.5 Roaming interface functional distribution p. 455
7.5.1 Architecture description p. 455
7.5.2 Function description p. 457
7.5.3 Solution evaluation p. 457
7.6 Consolidated architecture option 6 p. 457
7.6.1 General p. 457
7.6.2 Reference architecture p. 459
7.6.3 Network functions and reference points p. 462
7.6.4 Applicable solutions p. 465
7.6.5 Evaluation p. 465
7.7 Consolidated architecture option 7 p. 465
7.7.1 General p. 465
7.7.2 High level principles p. 465
7.7.3 Reference architecture p. 466
7.7.4 Network functions and reference points p. 467
7.7.4.1 Network functions p. 467
7.7.4.2 Control Plane service interfaces p. 469
7.7.4.3 Other Reference points p. 469
7.7.5 Applicable solutions p. 470
7.7.6 Evaluation p. 470
8 Conclusions p. 470
8.1 Agreements on Key Issue #1: Network slicing p. 470
8.2 Agreements on Key Issue #2: QoS framework p. 473
8.3 Agreements on Key Issue #3: Mobility management p. 476
8.4 Agreements on Session management and Service Continuity (Key Issue #4, 5 and 6) p. 480
8.5 Void
8.6 Agreements on Key Issue #6: Support for session and service continuity and efficient user plane path p. 488
8.7 Agreements on Key Issue #7: Network function granularity and interactions between them p. 489
8.8 Agreements on Key Issue #8: Next Generation core and access - functional division and interface p. 490
8.8.1 Agreements on functional split between AN and CN p. 490
8.8.2 Agreements on common AN-CN interface p. 492
8.9 Agreements on Congestion and Overload Control p. 492
8.10 Agreements on Key Issue #10: Policy Framework p. 493
8.11 Agreements on Key Issue #18: Interworking and Migration p. 494
8.11.1 Agreements on EPC-NextGen Core interworking p. 494
8.11.2 Agreements on option 3 to NG Core migration p. 494
8.12 Agreements on the Overall Architecture p. 494
8.12.1 Architecture principles p. 494
8.12.2 Non-roaming reference architecture p. 496
8.12.3 Roaming reference architectures p. 499
8.12.4 Reference points and Functionality description p. 501
8.13 Agreements on Key Issue #17: 3GPP architecture impacts to support network discovery and selection p. 504
8.14 Agreements on Key Issue #19: Architectural impacts when using virtual environments p. 504
8.15 Agreements on Key Issue #15: NextGen core support for IMS p. 504
A Key technical areas identified for investigation during the study p. 505
B Network slicing concept by NGMN p. 506
B.1 Network slicing concept p. 506
B.2 Definitions p. 507
C Work planning for NextGen Study Item on how to focus Rel-14 study p. 508
D Potential solution scenarios for support of multiple slices per UE p. 509
E Guidelines for specifying procedures, to allow its re-use p. 511
E.1 Specifying a procedure p. 511
E.1.1 As a service p. 511
E.1.2 Authorization p. 511
E.2 Procedure of a network function: independent, non-overlapping of each other p. 511
E.3 Procedure of the system: As a sequence of network function level procedures p. 511
F Minimizing access dependencies in the NextGen Core and AN - CN Interface p. 512
F.1 QoS p. 512
F.2 Authentication p. 512
F.3 Charging Framework p. 512
F.4 Policy Framework p. 512
F.5 Session Continuity p. 512
F.6 Session Management p. 512
F.7 Mobility Management p. 512
F.8 Minimization of Access dependencies and CP/UP functional split p. 513
F.9 Carrying of Access Specific information over AN-CN interface p. 513
G Reference point naming p. 514
H Support of edge computing p. 515
I Guidelines for defining network function granularity p. 516
I.1 General p. 516
J Deployment Scenarios p. 518
J.1 General p. 518
J.2 Deployment Option 2 - Standalone NR in NextGen System p. 518
J.3 Deployment Option 3 - Non-standalone NR in EPS p. 519
J.4 Deployment Option 4 - Non-standalone Evolved E-UTRA in NextGen System p. 519
J.5 Deployment Option 5 - Standalone Evolved E-UTRA in NextGen System p. 520
J.6 Deployment Option 7 - Non-standalone NR in NextGen System p. 520
K Specifying a service based architecture p. 521
K.1 Stage 2 and stage 3 work p. 521
$ Change history p. 522
