Content for TR 23.700-34 Word version: 18.1.0
4 Key issues
5 Architectural requirements
6 Solutions
7 Overall evaluation
8 Conclusions
A Overall lifecycle of SEALDD service
B A Deployment example of SEALDD service
$ Change history
4 Key issues p. 9
4.1 Key issue #1: Support for E2E redundant transport p. 9
4.2 Key issue #2: Support for Transport layer enhancement for UE's service continuity p. 9
4.3 Key issue #3: Support for data transmission quality measurement and guarantee p. 10
4.4 Key issue #4: SEALDD and MSGin5G p. 11
4.5 Key issue #5: SEALDD enabled Data Storage p. 11
4.6 Key issue #6: SEALDD coordination with EEL p. 12
4.7 Key issue #7: SEALDD server discovery and selection p. 12
4.8 Key issue #8: SEALDD data distribution p. 12
5 Architectural requirements p. 13
5.1 General requirements p. 13
5.1.1 Description p. 13
5.1.2 Requirements p. 13
5.2 Data transmission requirements p. 13
5.2.1 Description p. 13
5.2.2 Requirements p. 13
5.3 Data storage requirements p. 13
5.3.1 Description p. 13
5.3.2 Requirements p. 14
5.4 SEALDD server discovery and selection requirements p. 14
5.4.1 Description p. 14
5.4.2 Requirements p. 14
5.5 MSGin5G message transfer requirements p. 14
5.5.1 Description p. 14
5.5.2 Requirements p. 14
6 Solutions p. 14
6.1 Solution #1: Data delivery enabler service architecture p. 14
6.1.1 Solution description p. 14
6.1.1.1 Functional architecture description p. 14
6.1.1.2 Functional entities description p. 17
6.1.1.3 Reference points description p. 18
6.1.2 Solution evaluation p. 18
6.2 Solution #2: E2E redundant transmission path establishment p. 18
6.2.1 Architecture enhancements p. 18
6.2.2 Solution description p. 20
6.2.2.1 General p. 20
6.2.2.2 Procedure p. 20
6.2.3 Solution evaluation p. 22
6.3 Solution #3: Client initiated request for redundant transport p. 23
6.3.1 Solution description p. 23
6.3.1.1 General p. 23
6.3.1.2 Procedure p. 23
6.3.2 Solution evaluation p. 24
6.4 Solution #4: Data storage creation p. 24
6.4.1 Solution description p. 24
6.4.1.1 General p. 24
6.4.1.2 Procedures p. 25
6.4.2 Solution evaluation p. 27
6.5 Solution #5: SEALDD adaptation in CAPIF p. 27
6.5.1 Solution description p. 27
6.5.2 Solution evaluation p. 28
6.6 Solution #6: SEALDD integrating MSGin5G for message transfer p. 28
6.6.1 Architecture enhancements p. 28
6.6.2 Solution description p. 28
6.6.2.1 General p. 28
6.6.2.2 Procedure p. 29
6.6.3 Solution evaluation p. 30
6.7 Solution #7: SEALDD server discovery and selection for specific VAL server p. 30
6.7.1 Architecture enhancements p. 30
6.7.2 Solution description p. 30
6.7.2.1 General p. 30
6.7.2.2 Procedure p. 30
6.7.3 Solution evaluation p. 31
6.8 Solution #8: SEALDD server discovery and selection in EDN p. 32
6.8.1 Architecture enhancements p. 32
6.8.2 Solution description p. 32
6.8.2.1 General p. 32
6.8.2.2 Procedure p. 32
6.8.3 Solution evaluation p. 34
6.9 Solution #9: SEALDD interaction for regular application traffic transfer p. 34
6.9.1 Architecture enhancements p. 34
6.9.2 Solution description p. 34
6.9.2.1 General p. 34
6.9.3 Solution evaluation p. 36
6.10 Solution #10: SEALDD server relocation p. 36
6.10.1 Solution description p. 36
6.10.1.1 General p. 36
6.10.1.2 SEALDD context transfer without IP replacement p. 37
6.10.1.3 SEALDD context transfer with IP replacement p. 38
6.10.2 Solution evaluation p. 38
6.11 Solution #11: SEALDD support of UE's service continuity p. 39
6.11.1 Solution description p. 39
6.11.1.1 General p. 39
6.11.1.2 Procedure p. 39
6.11.2 Solution evaluation p. 41
6.12 Solution #12: SEALDD enabled data transmission quality measurement p. 41
6.12.1 Architecture enhancements p. 41
6.12.2 Solution description p. 41
6.12.2.1 General p. 41
6.12.2.2 Procedure p. 41
6.12.3 Solution evaluation p. 43
6.13 Solution #13: SEALDD support for data transmission quality guarantee with redundant transport p. 43
6.13.1 Solution description p. 43
6.13.1.1 General p. 43
6.13.1.2.1 Procedure p. 43
6.13.2 Solution evaluation p. 44
6.14 Solution #14: Data distribution management in SEALDD p. 45
6.14.1 Solution description p. 45
6.14.1.1 General p. 45
6.14.1.2 DD connection establishment p. 45
6.14.1.3 Data delivery policy deletion p. 46
6.14.2 Solution evaluation p. 47
6.15 Solution #15: SEALDD enabled data transmission via N6 Tunnel p. 48
6.15.1 Architecture enhancements p. 48
6.15.2 Solution description p. 48
6.15.2.1 General p. 48
6.15.2.2 Procedure p. 48
6.15.3 Solution evaluation p. 49
6.16 Solution #16: SEALDD enabled application context transfer p. 49
6.16.1 Architecture enhancements p. 49
6.16.2 Solution description p. 49
6.16.2.1 General p. 49
6.16.2.2 Procedure p. 49
6.16.3 Solution evaluation p. 50
6.17 Solution #17: E2E redundant transmission path establishment with dual UE - dual UP p. 51
6.17.1 Solution description p. 51
6.17.1.1 Configuration enhancements p. 51
6.17.1.2 Functional architecture description p. 52
6.17.1.3 Procedure p. 53
6.17.2 Solution evaluation p. 54
6.18 Solution #18: SEALDD enabled rate control for different VAL users p. 55
6.18.1 Architecture enhancements p. 55
6.18.2 Solution description p. 55
6.18.2.1 General p. 55
6.18.2.2 Procedure p. 55
6.18.3 Solution evaluation p. 56
7 Overall evaluation p. 56
7.1 General p. 56
7.2 Architecture enhancements p. 57
7.3 Solution evaluations p. 57
7.3.1 General p. 57
7.3.3 Overall evaluation of key issue#1 p. 58
7.3.4 Overall evaluation of key issue#2 p. 58
7.3.5 Overall evaluation of key issue#3 p. 59
7.3.6 Overall evaluation of key issue#4 p. 59
7.3.7 Overall evaluation of key issue#5 p. 60
7.3.8 Overall evaluation of key issue#6 p. 60
7.3.9 Overall evaluation of key issue#7 p. 60
7.3.10 Overall evaluation of key issue#8 p. 61
8 Conclusions p. 62
8.1 General p. 62
8.2 Architecture enhancement conclusions p. 62
8.3 Key Issue conclusions p. 62
8.3.1 Conclusion of key issue#1 p. 62
8.3.2 Conclusion of key issue#2 p. 62
8.3.3 Conclusion of key issue#3 p. 62
8.3.4 Conclusion of key issue#4 p. 62
8.3.5 Conclusion of key issue#5 p. 62
8.3.6 Conclusion of key issue#6 p. 62
8.3.7 Conclusion of key issue#7 p. 63
8.3.8 Conclusion of key issue #8 p. 63
A Overall lifecycle of SEALDD service p. 64
B A Deployment example of SEALDD service p. 65
$ Change history p. 67
