Content for TR 23.700-27 Word version: 18.0.0
5 Key Issues p. 8
5.1 Key Issue #1: PCC/QoS control enhancement considering dynamic satellite backhaul p. 8
5.1.1 Description p. 8
5.2 Key Issue #2: Support of Satellite Edge Computing via UPF on board p. 9
5.2.1 Description p. 9
5.3 Key Issue #3: Support of Local Data Switching via UPF on-board p. 9
5.3.1 Description p. 9
6 Solutions p. 9
6.0 Mapping of Solutions to Key Issues p. 9
6.1 Dynamic delay solution p. 9
6.1.1 Description p. 9
6.1.2 High level architecture principles p. 10
6.1.3 Impacts on services, entities and interfaces p. 12
6.2 Solution for KI#1: QoS control enhancements for dynamic satellite backhauling p. 12
6.2.1 Description p. 12
6.2.2 Procedures p. 13
6.2.3 Impacts on services, entities and interfaces p. 15
6.3 Solution for Key Issue #1: Information of satellite constellation and change of backhaul delay exposed to PCF/AF p. 16
6.3.1 Description p. 16
6.3.2 Procedures p. 16
6.3.3 Impacts on services, entities and interfaces p. 17
6.4 Solution for Key Issue #2 and Key Issue #3: Enable Satellite Edge Computing or local data switching via on-board UPF acting as UL CL/BP and local PSA p. 17
6.4.1 Description p. 17
6.4.2 Procedures p. 17
6.4.3 Impacts on services, entities and interfaces p. 19
6.5 Solution for KI#2: Support of Satellite Edge Computing via UPF on board p. 20
6.5.1 Description p. 20
6.5.2 Procedures p. 21
6.5.3 Impacts on services, entities and interfaces p. 23
6.6 Solution for Key Issue #2 and Key Issue #3: Enable on-board EC or local data switch based on GEO PSA UPF p. 23
6.6.1 Description p. 23
6.6.2 Procedures p. 23
6.6.3 Impacts on services, entities and interfaces p. 25
6.7 Solution for KI#3: Support of Local Data Switching via UPF on board p. 26
6.7.1 Description p. 26
6.7.2 Procedures p. 27
6.7.3 Impacts on services, entities and interfaces p. 29
6.8 Solution for Key Issue #1: In-sequence delivery p. 30
6.9 Solution for Key Issue #1: QoS Monitoring for dynamic satellite backhaul delay control p. 32
6.9.1 Description p. 32
6.9.2 Procedures p. 32
6.9.3 Impacts on services, entities and interfaces p. 34
6.10 Solution for Key Issue #2: Enable Satellite EAS re-discovery and re-allocation by means of local DNS on-board satellite p. 35
7 Overall Evaluation p. 36
7.1 Evaluation of solutions for Key Issue #1: PCC/QoS control enhancement considering dynamic satellite backhaul p. 36
7.2 Evaluation of solutions for Key Issue #2 - Support of Satellite Edge Computing via UPF on board p. 37
7.3 Evaluation of solutions for Key Issue #3: Support of Local Data Switching via UPF on-board p. 37
8 Conclusions p. 38
8.1 Conclusions on PCC/QoS control enhancement considering dynamic satellite backhaul p. 38
8.2 Conclusion on solutions for Key Issue #2 p. 38
8.3 Conclusions on Support of Local Data Switching via UPF on-board p. 39
$ Change history p. 40
