Tech-
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IETF
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Content for
TR 23.700-17
Word version: 18.0.0
1…
5…
6…
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6
Solutions
6
Solutions
p. 12
6.0
Mapping of Solutions to Key Issues
p. 12
6.1
Solution 1: N3GPP device behind 5G-RG
p. 12
6.1.1
Description
p. 12
6.1.1.1
Overall architecture
p. 12
6.1.1.2
Support for differentiation of e.g. charging and QoS
p. 14
6.1.2
Procedures
p. 14
6.1.3
Impacts on Existing Nodes and Functionality
p. 14
6.2
Solution 2: UE behind 5G-RG and FN-RG
p. 14
6.2.1
Description
p. 14
6.2.1.1
Overall architecture
p. 14
6.2.1.2
Support for differentiated charging and QoS
p. 16
6.2.2
Procedures
p. 17
6.2.2.1
General
p. 17
6.2.2.2
QoS and charging differentiation based on user location information
p. 17
6.2.2.3
AF influence on differentiation for UEs behind RG
p. 18
6.2.3
Impacts on Existing Nodes and Functionality
p. 19
6.3
Solution 3: Differentiated QoS for N5CW devices behind 5G-RG
p. 19
6.3.1
Description
p. 19
6.3.2
Procedures
p. 20
6.3.3
Impacts on Existing Nodes and Functionality
p. 20
6.4
Solution 4: Solution of providing differentiated service for Non-3GPP devices connected behind a 5G-RG
p. 21
6.4.1
Description
p. 21
6.4.2
Procedures
p. 21
6.4.2.1
5G-RG initiates PDU Session Modification or Establishment for One Non-3GPP Device Category
p. 21
6.4.2.2
SMF initiates PDU Session Modification or Establishment for One Non-3GPP Device Category
p. 25
6.4.3
Impacts on Existing Nodes and Functionality
p. 26
6.5
Solution 5: 5GC-capable UE behind 5G-RG using trusted Non-3GPP access
p. 26
6.5.1
General
p. 26
6.5.2
Registration procedure
p. 27
6.5.3
Provisioning of subscription information in UDM
p. 29
6.5.4
Impacts on existing Functions
p. 29
6.6
Solution 6: New method for non-3GPP device connected behind a 5G-RG
p. 30
6.6.1
Description
p. 30
6.6.2
Procedures
p. 31
6.6.3
Impacts on Existing Nodes and Functionality
p. 32
6.7
Solution 7: Differentiated QoS for non-3GPP devices behind 5G-RG
p. 33
6.7.1
Description
p. 33
6.7.1.1
Introduction
p. 33
6.7.1.2
Solution principles
p. 33
6.7.2
Procedures
p. 34
6.7.3
Impacts on Existing Nodes and Functionality
p. 34
6.8
Solution 8 - Support of "combo Ethernet + IP" service
p. 35
6.8.1
Overview
p. 35
6.8.2
Description of the solution
p. 37
6.8.3
Impacts on existing functions
p. 39
6.9
Solution 9: 5GC-capable UE behind 5G-RG using untrusted Non-3GPP access
p. 40
6.9.1
General
p. 40
6.9.2
Registration procedure
p. 40
6.9.3
Impacts on existing Functions
p. 40
6.10
Solution 10: Registration via Trusted Non-3GPP Access with TNGF Relocation
p. 41
6.10.1
Description
p. 41
6.10.2
Procedures
p. 42
6.10.2.1
Registration via trusted non-3GPP access with TNGF relocation
p. 42
6.10.3
Impacts on Existing Nodes and Functionality
p. 44
6.11
Solution 11: Registration via Untrusted Non-3GPP Access with N3IWF Relocation
p. 45
6.11.1
Description
p. 45
6.11.2
Procedures
p. 46
6.11.2.1
Registration via untrusted non-3GPP access with N3IWF relocation
p. 46
6.11.3
Impacts on Existing Nodes and Functionality
p. 48
6.12
Solution 12: slice related TNGF selection for WLAN access
p. 48
6.12.1
Description
p. 48
6.12.2
Procedures
p. 48
6.12.3
Impacts on Existing Nodes and Functionality
p. 50
6.13
Solution 13: UE getting the slices supported by N3IWF (s)
p. 50
6.13.1
Description
p. 50
6.13.2
Procedures
p. 51
6.13.2.1
Baseline N3IWF discovery using slice support get
p. 51
6.13.2.2
AMF rejection in case of usage of a wrong N3IWF
p. 52
6.13.2.3
Rejection by N3IWF with cause
p. 53
6.13.3
Impacts on Existing Nodes and Functionality
p. 53
6.14
Solution 14: use of AN NRF
p. 54
6.14.1
Description
p. 54
6.14.2
Procedures
p. 54
6.14.3
Impacts on Existing Nodes and Functionality
p. 55
6.15
Solution #15: Selecting N3IWF supporting the S-NSSAI needed by UE
p. 56
6.15.1
Description
p. 56
6.15.2
N3IWF selection solution
p. 56
6.15.2.1
UE configuration
p. 56
6.15.2.2
N3IWF selection
p. 57
6.15.3
Procedures
p. 58
6.15.4
Impacts on Existing Nodes and Functionality
p. 61
6.16
Solution #16: N3IWF selection taking supported slices into account
p. 61
6.16.1
Description
p. 61
6.16.1.1
Introduction
p. 61
6.16.1.2
Solution principles
p. 62
6.16.1.2.1
General
p. 62
6.16.1.2.2
N3IWF selection when the UE is located in the home country and when the UE is not located in the home country
p. 62
6.16.2
Procedures
p. 62
6.16.3
Impacts on Existing Nodes and Functionality
p. 62
6.16.4
Impacts on Existing Nodes and Functionality
p. 63
6.17
Solution 17: Untrusted Non-3GPP Access with N3IWF/TNGF Relocation due to network slicing
p. 63
6.17.1
Description
p. 63
6.17.2
Procedures
p. 63
6.17.3
Impacts on Existing Nodes and Functionality
p. 64
6.18
Solution 18: ANDSP based solution for slice related TNGF selection
p. 65
6.18.1
Description
p. 65
6.18.2
Procedures
p. 65
6.18.2.1
Procedures for TNGF selection
p. 65
6.18.3
Impacts on services, entities and interfaces
p. 65
6.19
Solution #19: Selecting TNGF supporting the S-NSSAI needed by UE
p. 66
6.19.1
Description
p. 66
6.19.2
Procedures
p. 66
6.19.3
Impacts on Existing Nodes and Functionality
p. 67
6.20
Solution 20: providing differentiated service for UE and non-3GPP devices connected behind a 5G-RG
p. 68
6.20.1
Description
p. 68
6.20.2
Procedures
p. 68
6.20.2.1
providing differentiated service for non-3GPP devices connected behind a 5G-RG
p. 68
6.20.2.2
differentiated QoS for 5GC-capable UE connected behind a 5G-RG
p. 69
6.20.3
Impacts on Existing Nodes and Functionality
p. 70
6.21
Solution 21: Non-3GPP device behind 5G-RG based on 5GS exposure
p. 70
6.21.1
Description
p. 70
6.21.1.1
Introduction
p. 70
6.21.1.2
Overall Architecture
p. 71
6.21.1.3
Functional Description
p. 71
6.21.2
Procedures
p. 72
6.21.3
Impacts on Existing Nodes and Functionality
p. 74
6.22
Solution 22: Support differentiated QoS for AUN3 devices
p. 74
6.22.1
Description
p. 74
6.22.2
Procedures
p. 74
6.22.3
Impacts on Existing Nodes and Functionality
p. 76
6.23
Solution 23: Delay budget for non-3GPP devices behind 5G-RG
p. 77
6.23.1
Description
p. 77
6.23.2
Procedures
p. 78
6.23.3
Impacts on Existing Nodes and Functionality
p. 79
6.24
Solution 24: Differentiated QoS for Non-Authenticable non-3GPP devices behind RG
p. 80
6.24.1
Description
p. 80
6.24.2
Procedures
p. 80
6.24.3
Impacts on Existing Nodes and Functionality
p. 80
6.25
Solution 25: Differentiated QoS for Authenticable non-3GPP devices behind RG.
p. 81
6.25.1
Description
p. 81
6.25.2
Procedures
p. 81
6.25.3
Impacts on Existing Nodes and Functionality
p. 83