Content for TR 23.799 Word version: 14.0.0
6.10 Solutions for Key Issue 10: Policy Framework
6.11 Solutions for Key Issue 11: Charging
6.12 Solutions for Key issue 12: Authentication and security framework
6.17 Solutions for Key Issue 17: 3GPP architecture impacts to support network discovery and selection
6.18 Solution for Key Issue 18: Interworking and Migration
6.19 Solutions for key issue 19: Architecture impacts when using virtual environments
6.20 Solutions for Key Issue 20: 3GPP architecture impacts to support access traffic steering and switching
6.10 Solutions for Key Issue 10: Policy Framework p. 373
6.10.1 Solution 10.1: Policy Framework alternative solution 1 p. 373
6.10.2 Solution 10.2: Analytics-based Policies p. 374
6.10.2.1 Architecture description p. 374
6.10.2.2 Functional Description p. 376
6.10.2.3 Solution evaluation p. 376
6.10.3 Solution 10.3: Policy function and framework for non-roaming case p. 376
6.10.3.1 Architecture description p. 376
6.10.3.2 Function description p. 378
6.10.3.3 Solution evaluation p. 379
6.10.4 Solution 10.4: Policy Reference Architecture p. 379
6.10.4.1 Overview p. 379
6.10.4.2 The Policy Function p. 381
6.10.4.3 The NG Control Plane input to the Policy Function p. 381
6.10.4.4 The Enforcement of Policy Decisions p. 382
6.10.4.5 Functions external to NG Control Plane p. 382
6.10.5 Solution 10.5: Policy function and framework for roaming cases p. 382
6.10.5.1 Architecture description p. 382
6.10.5.2 Function description p. 384
6.10.5.3 Solution evaluation p. 384
6.10.6 Solution 10.6: Encrypted traffic detection p. 384
6.10.6.1 General description of the solution p. 384
6.10.6.2 Procedures for Traffic Authorization and Validation at Flow Setup p. 384
6.10.6.3 Solution evaluation p. 385
6.10.7 Solution 10.7: Policy Architecture with CP functional split p. 385
6.10.7.1 Overview p. 385
6.10.8 Solution 10.8: Dual Level Policy framework p. 386
6.10.8.1 Acronyms/definitions p. 387
6.10.8.2 Architecture descriptions p. 387
6.10.8.3 Function description p. 390
6.10.8.4 Solution evaluation p. 390
6.11 Solutions for Key Issue 11: Charging p. 390
6.12 Solutions for Key issue 12: Authentication and security framework p. 390
6.12.1 Solutions 12.1: Authentication and security framework p. 390
6.12.1.1 Authentication and Security Framework description p. 390
6.12.1.1.1 Security Architecture p. 391
6.12.1.1.2 Authentication and Key Agreement p. 393
6.12.1.1.3 User Identity and ME Identity Confidentiality p. 395
6.12.1.1.4 System Signalling Protection p. 395
6.12.1.1.5 User Plane Protection p. 396
6.12.1.2 Solution evaluation p. 396
6.12.2 Solution 12.2: For security and authentication with Network Slice Support p. 396
6.13 Void
6.14 Void
6.15 Void
6.16 Void
6.17 Solutions for Key Issue 17: 3GPP architecture impacts to support network discovery and selection p. 397
6.17.1 Solution 17.1: Network discovery and selection in idle mode p. 397
6.17.1.1 Architecture description p. 397
6.17.1.2 Function description p. 399
6.17.1.3 Solution evaluation p. 399
6.18 Solution for Key Issue 18: Interworking and Migration p. 399
6.18.1 Solution 18.1: interworking between NextGen core and EPC p. 399
6.18.2 Solution 18.2: Solution for interworking p. 400
6.18.2.1 Architecture description p. 400
6.18.2.2 Function description p. 412
6.18.2.3 Solution evaluation p. 413
6.18.3 Solution 18.3: Solutions for migration from E-UTRAN/EPC including option 3 to option 2,4,5, or 7 p. 413
6.18.3.1 Architecture description p. 413
6.18.3.2 Function description p. 415
6.18.3.3 Solution evaluation p. 415
6.18.4 Solution 18.4: Solution for interworking and migration p. 416
6.18.4.1 Architecture description p. 416
6.18.4.2 Function description p. 418
6.18.4.3 Solution evaluation p. 419
6.18.5 Solution 18.5: Solution for full and partial migration scenarios from EPS to NG System p. 419
6.18.6 Solution 18.6: Migration solution with Evolved E-UTRAN to operate EPC and NextGen Core simultaneously p. 421
6.18.6.1 Architecture description p. 421
6.18.6.2 Function description p. 423
6.18.6.3 Solution evaluation p. 423
6.19 Solutions for key issue 19: Architecture impacts when using virtual environments p. 424
6.20 Solutions for Key Issue 20: 3GPP architecture impacts to support access traffic steering and switching p. 424
6.20.1 Solution 20.1: Access traffic steering and switching p. 424
6.20.1.1 Architecture description p. 424
6.20.1.2 Function description p. 427
6.20.1.2.1 Steering of a new data flow by the UE p. 427
6.20.1.2.2 Steering of a DL data flow by the network for a dual radio-capable UE p. 428
6.20.1.2.3 Switching of an ongoing data flow by the UE p. 428
6.20.1.3 Solution evaluation p. 430
6.20.2 Solution 20.2: Solution based on ATSSS Function p. 430
6.20.2.1 Architecture Description p. 430
6.20.2.2 Functional Description p. 431
6.20.2.2.1 Operation Overview p. 431
6.20.2.2.2 Protocol Architecture p. 433
6.20.2.2.3 Signalling Flows p. 434
6.20.2.3 Solution evaluation p. 437
