Content for TR 23.716 Word version: 16.0.0
6 Solutions for WWC p. 34
6.1 Solution #1 - General architecture for wireless and wireline convergence p. 34
6.2 Solution #2: 5G-RG Registration to 5GC p. 38
6.3 Solution #3 - NAS and Security for 5G-RG on Wireline Access p. 40
6.3.1 General p. 40
6.3.2 5G-RG Registration via Wireline Network p. 41
6.3.3 5G-RG Requested PDU Session Establishment via Wireline Access Network p. 43
6.3.4 5G-RG or Network Requested PDU Session Modification via W-5GAN p. 44
6.3.5 5G-RG or Network Requested PDU Session Release via wireline access p. 46
6.3.6 Deregistration procedure for 5G-RG via Wireline Access Network p. 47
6.3.7 Service Request procedures via W-5GAN p. 48
6.4 Solution #4 - Handover support for KI #5 p. 49
6.4.1 General p. 49
6.4.2 5G-RG connected via W-5GAN p. 49
6.4.3 5G-RG connected via NG-RAN p. 49
6.4.4 5G-RG connected via W-5GAN and NG-RAN p. 49
6.4.4.1 General p. 49
6.4.4.2 Handover of a PDU Session procedure from W-5GAN to 3GPP access (non-roaming and roaming with local breakout) p. 49
6.4.4.3 Handover of a PDU Session procedure from 3GPP to W-5GAN access (non-roaming and roaming with local breakout) p. 50
6.4.5 5GC-capable UE connected via NG-RAN and 5G-RG p. 50
6.5 Solution #5 - Connection Management support for KI #5 p. 52
6.6 Solution #6 - Registration management support for KI #5 p. 53
6.7 Solution #7 - IPTV Service Support p. 54
6.8 Solution #8 - Support of IPTV leveraging IGMP / MLD p. 62
6.8.1 Overview p. 62
6.8.2 Description of the solution p. 63
6.8.2.1 PDU Session establishment p. 63
6.8.2.2 UP handling (IP multicast) p. 63
6.8.2.3 IPTV subsystem configuration of Access Control of Multicast Channels information p. 64
6.8.3 Impacts on existing Network Functions p. 65
6.8.4 Evaluation p. 65
6.9 Solution #9 - new IPV6 address allocation mechanisms p. 65
6.9.1 Overview p. 65
6.9.2 Description of the solution p. 66
6.9.2.1 IPv6 Prefix Delegation via DHCPv6 p. 66
6.9.2.2 IPv6 address allocation via DHCPv6 p. 68
6.9.2.3 General DHCPv6 support p. 70
6.9.3 Impacts on existing Functions p. 70
6.10 Solution #10 - Support of "combo Ethernet + IP" service p. 70
6.10.1 Overview p. 70
6.10.2 Description of the solution p. 72
6.10.3 Impacts on existing functions p. 76
6.11 Solution #11 - Support 5GC-capable UEs via 5G-RG/FN-RG for wireline access network using N3GPP solutions p. 76
6.11.0 Overview p. 76
6.11.1 General Reference Architecture p. 77
6.11.2 Collocated deployment p. 78
6.11.2.0 Introduction p. 78
6.11.2.1 Collocated FAGF-U and 5G-RG UPF p. 78
6.11.2.2 Collocated FAGF-U, UPF and IWF p. 78
6.11.2.3 Additional architecture aspects p. 79
6.11.2a WLAN association options p. 80
6.11.3 5GC-capable UE behind 5G-RG using Trusted Non-3GPP access network p. 80
6.11.3.1 General p. 80
6.11.3.2 Registration procedure p. 81
6.11.3.3 PDU session establishment procedure p. 81
6.11.3.4 User plane stacks p. 81
6.11.4 5GC-capable UE behind FN-RG/5G-RG using Untrusted Non-3GPP Access network p. 82
6.11.4.1 General p. 82
6.11.4.2 Registration p. 82
6.11.4.3 PDU session establishment procedure and user plane transport p. 82
6.11.4.4 User plane protocol stacks p. 82
6.11.5 Impacts on Existing Functions p. 82
6.11.6 Solution evaluation p. 83
6.12 Solution #12 3GPP UE behind a 5G-RG Register to 5GS and Establish PDU Session p. 83
6.12.1 General Description p. 83
6.12.2 Registration procedure for a 3GPP UE behind a 5G-RG p. 83
6.12.3 PDU Session Establishment Procedure for a 3GPP UE behind a 5G-RG p. 85
6.13 Solution #13 - Co-location of UPF and FAGF or FAGF-U p. 85
6.13.1 Overview p. 85
6.13.2 Description of the solution p. 87
6.13.2.1 PDU session management for fixed access p. 87
6.13.2.2 PDU session management for hybrid access p. 88
6.13.3 Impacts on existing Functions p. 88
6.14 Solution #14 - Registration restriction support p. 89
6.15 Solution #15 - General architecture for wireless and cable wireline convergence p. 91
6.16 Solution #16- Subscription control for the Support of a range of IP address/Prefixes in a PDU Session p. 92
6.16.1 Overview p. 92
6.16.2 Description of the solution p. 93
6.16.3 Impacts on existing Functions p. 97
6.17 Solution #17 - Support of IPTV using unicast p. 97
6.17.1 Overview p. 97
6.17.2 Description of the solution p. 98
6.17.3 Impacts on existing Network Functions p. 98
6.18 Solution#18 Mobility Restrictions to support W-5GAN use cases p. 98
6.18.1 Description p. 98
6.18.1.1 Overall description p. 98
6.18.1.2 Service Area Restrictions p. 98
6.18.1.3 Forbidden Area p. 99
6.18.1.4 Aspects that are re-used p. 99
6.18.2 Impacts on Existing Functions p. 99
6.18.4 Solution Evaluation p. 100
6.19 Solution #19 - Support of FWA p. 100
6.20 Solution #20 - Solution for 5G-RG configuration and management p. 102
6.20.1 Overview p. 102
6.20.2 Procedures p. 103
6.20.2.1 ACS Address configuration procedure p. 103
6.20.2.2 PDU Session Establishment for purpose of BBF TR-069 support p. 103
6.20.3 Solution Evaluation p. 104
6.21 Solution #21 - Collocation of UPF and W-5GCAN User Plane Function p. 104
6.21.1 Overview p. 104
6.21.2 Description of the solution p. 106
6.21.3 Impacts on existing Functions p. 106
6.22 Solution #22: Handover of a PDU session based on network awareness of QoE, for accessing via W-5GCAN p. 106
6.22.1 General p. 106
6.22.2 Solution p. 106
6.23 Solution #23: Supporting FN-RG in 5GC p. 107
6.23.1 Overview p. 107
6.23.2 Registration and PDU management for FN-RG p. 107
6.23.2.1 Initial registration and session setup for FN-RG p. 107
6.23.2.2 Registration management for FN-RG p. 110
6.23.2.3 PDU session management for FN-RG p. 110
6.23.3 Impacts on Existing Functions p. 110
6.24 Solution #24: Supporting BBF service migration p. 110
6.24.1 Overview p. 110
6.24.2 Description of the solution p. 110
6.25 Solution #25: Supporting FN-CRG in 5GC p. 112
6.26 Solution #26: Support of other MBR than UE-AMBR and Session-AMBR p. 113
6.27 Solution #27 - Support 5GC-capable UEs via 5G-RG for wireline/wireless access network using N3GPP solutions p. 114
6.27.3 5GC-capable UE behind 5G-RG using 802.1x with 3GPP credentials p. 115
6.27.3.1 General p. 115
6.27.3.2 Registration procedure p. 116
6.27.4 5GC-capable UE behind 5G-RG using IKEv2 and IPsec based access procedures p. 117
6.27.4.1 General p. 117
6.28 Solution #28 -Line Id Transfer to and usage within 5GC p. 119
6.28.1 Overview p. 119
6.28.2 Description of the solution p. 119
6.28.2.1 Usage of the Line Id as ULI p. 119
6.28.2.2 Usage of the Line Id to identify the FN RG p. 119
6.28.2.3 Format of the Line Id p. 120
6.28.3 Impacts on existing Functions p. 120
6.29 QoS framework proposal for 5G-RG and FN-RG p. 122
6.29.1 Comparison of the 5G and BBF QoS control p. 122
6.29.2 Proposal for 5WWC QoS control framework p. 125
6.29.3 Critical decisions and proposed way forward p. 132
6.30 Solution #30: Overall Solutions for accessing 5GC via W-5GCAN for non 3GPP devices. p. 138
6.30.1 General p. 138
3.60.2 Overall procedure p. 138
6.30.3 Storage information in UDM p. 139
6.30.4 Impacts on existing Functions p. 139
6.31 Interworking between 5G QoS Framework and the DOCSIS Cable Access Network p. 139
