Content for TR 23.734 Word version: 16.2.0
5 Key Issues
6 Solutions
7 Overall Evaluation
8 Conclusions
A TSN standard/project for consideration in TSN integration in 5GS approach
B UE Group Management and Provisioning with Solution 24
$ Change History
5 Key Issues p. 10
5.1 Key Issue #1: Network discovery, selection and access control for non-public networks p. 10
5.2 Key Issue #2: Network Identification for non-public networks p. 11
5.3 Key issue #3: Enablers to support Time Sensitive Networking (TSN) p. 11
5.3.1 Key issue #3.1: System Enhancements to support Time Sensitive Networking (TSN) p. 11
5.3.1.1 Description p. 11
5.3.2 Key issue #3.2: Time synchronization aspect p. 12
5.3.2.1 Description p. 12
5.4 Key Issue #4: Support of 5G LAN-type service p. 12
5.4.1 Key Issue #4.1: 5GLAN Group Management p. 12
5.4.1.1 Description p. 12
5.4.2 Key Issue #4.2: Service Discovery, Selection, and Restrictions p. 13
5.5 Key Issue #5: Support of 5GLAN communication p. 13
5.5.1 Description p. 13
5.6 Key issue #6: Accessing PLMN services via non-public networks and vice versa p. 14
5.6.1 Description p. 14
6 Solutions p. 14
6.1 Solution #1: Identification, selection and access control for non-public networks p. 14
6.1.1 Description p. 14
6.1.2 Procedures p. 15
6.1.3 Impacts on Existing Nodes and Functionality p. 15
6.1.4 Solution Evaluation p. 16
6.2 Solution 2: Closed Access Group p. 16
6.2.1 Description p. 16
6.2.2 Procedures p. 16
6.2.3 Impacts on Existing Nodes and Functionality p. 16
6.2.4 Solution Evaluation p. 17
6.3 Solution #3: Non-public network identification, selection and access control p. 17
6.3.1 Description p. 17
6.3.1.1 Network Identification p. 17
6.3.1.2 Network Discovery and Selection p. 18
6.3.1.3 Access Control p. 19
6.3.2 Procedures p. 19
6.3.3 Impacts on Existing Nodes and Functionality p. 19
6.3.4 Solution Evaluation p. 20
6.4 Solution #4: Identification for non-public network p. 20
6.4.1 Description p. 20
6.4.2 Procedures p. 21
6.4.3 Impacts on Existing Nodes and Functionality p. 24
6.4.4 Solution Evaluation p. 24
6.5 Solution #5: Solution for Access Control p. 24
6.5.1 Description p. 24
6.5.2 High Level Description p. 25
6.5.3 Impacts on Existing Nodes and Functionality p. 25
6.5.4 Solution Evaluation p. 25
6.6 Solution #6: Architecture framework for integration with TSN p. 26
6.7 Solution #7: 5GS appearing as a TSN link for integration with TSN p. 28
6.8 Solution #8: 5GS appearing as a TSN bridge (black box) for integration with TSN p. 29
6.9 Solution #9: Adapted TSN framework p. 31
6.9.1 Description p. 31
6.9.2 Procedures p. 32
6.9.3 Impacts on Existing Nodes and Functionality p. 32
6.9.4 Solution Evaluation p. 32
6.10 Solution #10: Integrated TSN framework p. 32
6.10.1 Description p. 32
6.10.2 Procedures p. 33
6.10.3 Impacts on Existing Nodes and Functionality p. 33
6.10.4 Solution Evaluation p. 33
6.11 Solution #11 Options for time synchronisation using TSN (key issue 3.2) p. 33
6.11.1 Description p. 33
6.11.2 Procedures p. 39
6.11.3 Impacts on Existing Nodes and Functionality p. 39
6.11.4 Solution Evaluation p. 39
6.12 Solution #12: 5G LAN-type service and 5GLAN communications using principles in TS 29.561 [10] p. 40
6.12.1 Description p. 40
6.12.2 Procedures p. 40
6.12.3 Impacts on Existing Nodes and Functionality p. 41
6.12.4 Solution Evaluation p. 41
6.13 Solution #13: 5G LAN service network (switch mode) architecture p. 42
6.13.1 Description p. 42
6.13.2 Procedures p. 42
6.13.3 Impacts on Existing Nodes and Functionality p. 42
6.13.4 Solution Evaluation p. 42
6.14 Solution #14: Private DNN for 5GLAN Group Communication p. 43
6.14.1 Overview p. 43
6.14.2 Procedures p. 44
6.14.3 Impacts on Existing Nodes and Functionality p. 46
6.14.4 Solution Evaluation p. 46
6.15 Solution #15: Basic architecture for supporting dynamic 5G LAN-type service and 5GLAN communication p. 46
6.15.1 Description p. 46
6.15.2 Procedures p. 48
6.15.3 User plane path management for 5G LAN-type service p. 48
6.15.3.1 General description p. 48
6.15.3.2 Support of traffic routing in Backbone UP p. 49
6.15.3.3 Correlate the UE PDU sessions that access to the same 5G LAN-type service p. 49
6.15.3.5 Procedures p. 50
6.15.4 Impacts on Existing Nodes and Functionality p. 53
6.15.5 Solution Evaluation p. 53
6.16 Solution #16: Enhancements to support Deterministic Services p. 54
6.16.1 Description p. 54
6.16.2 Main Principles p. 54
6.16.3 Impacts on Existing Nodes and Functionality p. 56
6.16.4 Solution Evaluation p. 56
6.17 Solution #17: Deterministic Delay QoS Class for Time Synchronization Support of 3GPP Network p. 56
6.17.1 Description p. 56
6.17.2 Procedures p. 59
6.17.3 Impacts on Existing Nodes and Functionality p. 60
6.17.4 Solution Evaluation p. 60
6.18.1 CP based QoS negotiation p. 61
6.18.1.1 Description p. 61
6.18.1.2 Procedures p. 62
6.18.2 UP based QoS negotiation p. 63
6.18.2.1 Description p. 63
6.18.2.2 Procedures p. 64
6.18.3 Impacts on Existing Nodes and Functionality p. 65
6.18.4 Solution Evaluation p. 65
6.19 Solution #19: Time synchronization between UE and TSN p. 66
6.20 Solution #20: Supporting service continuity between Public PLMN and non-public network via an N3IWF-like gateway p. 68
6.20.1 Description p. 68
6.20.2 Procedures p. 70
6.20.2.1 Access to PLMN Services via non-public networks p. 70
6.20.2.2 Access to non-public network services via PLMN p. 71
6.20.2.3 Service continuity between non-public networks and PLMN p. 72
6.20.3 Impacts on Existing Nodes and Functionality p. 74
6.20.4 Solution Evaluation p. 74
6.21 Solution #21 - Using Dual Radio to access Public and non-public networks p. 75
6.21.2 Procedures p. 75
6.22 Solution #22: Using PLMN connection for NPN services p. 78
6.23 Solution #23: Path-based UE to UE packet forwarding for 5GLAN Group Communication p. 81
6.23.1 Overview p. 81
6.23.2 Procedures p. 82
6.23.3 Impacts on Existing Nodes and Functionality p. 86
6.23.4 Solution Evaluation p. 86
6.24 Solution #24: 5G LAN Group Management using the existing network architecture p. 86
6.24.1 Description p. 86
6.24.2 Procedures p. 89
6.25 Solution #25: Support of communication between Ethernet type 5GLAN and Ethernet network in data network p. 92
6.25.1 Description p. 92
6.25.2 Procedures p. 93
6.25.3 Impacts on Existing Nodes and Functionality p. 93
6.25.4 Solution Evaluation p. 93
6.26 Solution 26: One to many communication for 5GLAN service within 5GLAN group p. 94
6.26.1 Functional Description p. 94
6.26.2 Procedures p. 95
6.26.3 Impacts on existing entities and interfaces p. 96
6.26.4 Evaluation p. 96
6.27 Solution 27: Source Mobility restrictions-based solution for access control during HO p. 96
6.27.1 Functional Description p. 96
6.27.2 Procedures p. 97
6.27.3 Impacts on existing entities and interfaces p. 97
6.27.4 Evaluation p. 97
6.28 Solution #28: TSN Time Synchronization Considering Multiple Clock Domains p. 97
6.28.1 Introduction p. 97
6.28.2 Detailed Method p. 99
6.28A Solution #28A: TSN Time Synchronization Considering Multiple Clock Domains p. 101
6.28A.1 Introduction p. 101
6.28A.2 Distribution of timing information p. 102
6.28A.3 Support for multiple TSN working domains p. 104
6.29 Solution #29: Unified architecture for 5G LAN-type service p. 105
6.29.1 Functional Description p. 105
6.29.1.1 General description p. 105
6.29.1.2 5GLAN group management p. 105
6.29.1.3 PDU session management 5G LAN-type service p. 105
6.29.1.4 Path management of 5GLAN communication p. 105
6.29.3 Impacts on existing entities and interfaces p. 106
6.29.4 Evaluation p. 106
6.30 Solution #30 p. 106
6.30.1 Description p. 106
6.31 Solution #31 p. 107
6.31.1 Description p. 107
6.31.2 procedure p. 108
7 Overall Evaluation p. 109
8 Conclusions p. 109
8.1 Conclusion for key issue 1 and 2 p. 109
8.2 Conclusion for key issue 3.1 p. 110
8.3 Conclusion for 5G-LAN p. 110
8.3.1 Conclusion for Key Issue #4, #5 p. 110
8.3.2 Conclusions for Key Issue #4.1 on 5GLAN Group Management p. 110
8.4 Conclusion for key issue 6 "Accessing PLMN services via non-public networks and vice versa" p. 111
8.5 Conclusion for key issue 3.2 p. 111
A TSN standard/project for consideration in TSN integration in 5GS approach p. 112
B UE Group Management and Provisioning with Solution 24 p. 113
B.1 Group Subscriber Management Procedures p. 113
B.1.1 Creation (or deletion) of a group by an admin subscriber p. 113
B.1.2 Addition/deletion of a member by an admin subscriber p. 114
B.2 Provisioning of a Group Communication Session p. 115
$ Change History p. 117
