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TR 23.700-99
Study on Network Slice Capability Exposure for Application Layer Enablement

3GPP‑Page   fToC↓   Partial Content →
V18.2.0 (Wzip)  2023/06  90 p.
Rapporteur:
Ms. Zheng, Shaowen
China Mobile Com. Corporation

full Table of Contents for  TR 23.700-99  Word version:  18.2.0

each clause number in 'red' refers to the equivalent title in the Partial Content
Here   Top
1Scope  p. 7
2References  p. 7
3Definitions of terms, symbols and abbreviations  p. 9
3.1Terms  p. 9
3.2Symbols  p. 9
3.3Abbreviations  p. 9
4Application architecture for network slice capability enablement  p. 10
4.1Architectural requirements  p. 10
4.1.1General requirements  p. 10
4.1.2Security requirements  p. 10
4.1.3Registration requirement  p. 10
4.1.4Discovery requirement  p. 10
4.1.5Lifecycle management requirement  p. 10
4.1.6  p. …
4.2Application architecture  p. 11
4.2.1General  p. 11
4.2.2Architecture  p. 11
4.2.3Functional elements  p. 13
4.2.3.1Network slice Capability Enablement client  p. 13
4.2.3.2Network slice Capability Enablement server  p. 13
4.2.4Service-based interfaces  p. 13
4.2.5Reference points description  p. 13
4.2.5.1VAL-UU  p. 13
4.2.5.2NSCE-UU  p. 14
4.2.5.3NSCE-C  p. 14
4.2.5.4NSCE-S  p. 14
4.2.5.5NSCE-E  p. 14
4.3Cardinality rules  p. 14
4.3.1General  p. 14
4.3.2Functional Entity Cardinality  p. 14
4.3.2.1VAL Client  p. 14
4.3.2.2NSCE Client  p. 14
4.3.2.3NSCE Server  p. 14
4.3.2.6VAL Server  p. 14
4.3.3Service Cardinality  p. 15
5Key issues  p. 15
5.1Key issue 1: Network slice capability management enhancements  p. 15
5.2Key issue 2: Application layer exposed network slice lifecycle management  p. 15
5.3Key issue 3: Discovery & registration aspects for management service exposure  p. 16
5.4Key issue 4: Network slice fault management capability  p. 16
5.5Key issue 5: Communication service management exposure  p. 17
5.6Key issue 6: Application layer QoS verification capability enablement  p. 18
5.7Key issue 7: Network slice related performance and analytics exposure  p. 18
5.8Key issue 8: Support for requirements translation  p. 19
5.9Key issue 9: Support for trust enablement  p. 19
5.10Key Issue 10: Support for managing trusted third-party owned application(s)  p. 20
5.11Key issue 11: Slice requirement alignment  p. 20
5.12Key issue 12: Network slice capability exposure in the edge data network  p. 21
5.13Key issue 13: Delivery of the existing Network Slice information to the trusted third-party  p. 21
5.14Key issue 14: Network Slice creation to the third-party and UE  p. 22
6Solutions  p. 23
6.0Mapping of Solutions to Key Issues  p. 23
6.1Solution 1: Automatic application layer network slice management  p. 24
6.1.1Solution description  p. 24
6.1.1.1General  p. 24
6.1.1.2Automatic application layer network slice lifecycle management  p. 25
6.1.2Solution evaluation  p. 26
6.2Solution 2: Network slice fault management capability  p. 26
6.2.1Solution description  p. 26
6.2.1.1General  p. 26
6.2.1.2Network slice fault management capability exposure  p. 27
6.2.2Solution evaluation  p. 28
6.3Solution 3: Slice API configuration and translation  p. 28
6.3.1Solution description  p. 28
6.3.1.1General  p. 28
6.3.1.2slice API configuration  p. 29
6.3.1.3Slice API translation  p. 30
6.3.2Solution evaluation  p. 31
6.4Solution 4: QoS verification capability  p. 32
6.4.1Solution description  p. 32
6.4.1.1General  p. 32
6.4.1.2QoS verification capability  p. 32
6.4.2Solution evaluation  p. 33
6.5Solution 5: Network slice related performance and analytics exposure  p. 33
6.5.1Solution description  p. 33
6.5.1.1General  p. 33
6.5.1.2Network slice related performance and analytics exposure  p. 33
6.5.1.2.1KQI and performance data report from NSCE client  p. 35
6.5.2Solution evaluation  p. 36
6.6Solution 6: VAL server authorization and authentication via slice enabler layer  p. 37
6.6.1Solution description  p. 37
6.6.1.1General  p. 37
6.6.1.2VAL server authorization and authentication via slice enabler layer  p. 37
6.6.2Solution evaluation  p. 38
6.7Solution 7: network slice capability registration  p. 38
6.7.1Solution description  p. 38
6.7.1.1 General  p. 38
6.7.1.2Capability exposure registration  p. 38
6.7.2Solution evaluation  p. 39
6.8Solution 8: Discovery of management service exposure  p. 39
6.8.1Solution description  p. 39
6.8.1.1General  p. 39
6.8.1.2Procedure  p. 39
6.8.2Solution evaluation  p. 41
6.9Solution 9: Support for managing trusted third-party owned application(s)  p. 41
6.9.1Solution description  p. 41
6.9.1.1General  p. 41
6.9.1.2Network slice quota management capability exposure  p. 41
6.9.2Solution evaluation  p. 42
6.10Solution 10: Network slice application policy management capability  p. 42
6.10.1Solution description  p. 42
6.10.1.1General  p. 42
6.10.1.2Network slice application policy management capability  p. 42
6.10.2Solution evaluation  p. 44
6.11Solution 11: Communication service management exposure  p. 44
6.11.1Solution description  p. 44
6.11.1.1General  p. 44
6.11.1.2Use Case of Communication service lifecycle management  p. 44
6.11.1.3Communication service creation  p. 47
6.11.1.4Communication service modification  p. 47
6.11.1.5Communication service disengagement  p. 48
6.11.2Solution evaluation  p. 48
6.12Solution 12: SEAL enhancement  p. 48
6.12.1Solution description  p. 48
6.12.2Solution evaluation  p. 49
6.13Solution 13: Network Slice Allocation by VAL server  p. 50
6.13.1Solution description  p. 50
6.13.1.1General  p. 50
6.13.1.2Network Slice Allocation by VAL Server  p. 50
6.13.2Solution evaluation  p. 52
6.14Solution 14: Interaction between the NSCE servers  p. 52
6.14.1Solution description  p. 52
6.14.2Information collection from multiple NSCE servers  p. 52
6.14.3Solution evaluation  p. 52
6.15Solution 15: UE triggered network slice adaptation  p. 53
6.15.1Solution description  p. 53
6.15.1.1General  p. 53
6.15.2Solution evaluation  p. 57
6.16Solution 16: Multi-Network slice management capability  p. 57
6.16.1Solution description  p. 57
6.16.1.1General  p. 57
6.16.1.2Multi-Network slice management capability  p. 57
6.16.2Solution evaluation  p. 59
6.17Solution 17: Multi-Network slice resource optimization  p. 59
6.17.1Solution description  p. 59
6.17.1.1General  p. 59
6.17.1.2Multi-Network slice management capability  p. 59
6.17.2Solution evaluation  p. 61
6.18Solution 18: Network Slice Information Delivery  p. 61
6.18.1Solution description  p. 61
6.18.1.1General  p. 61
6.18.1.2Network Slice Information delivery  p. 62
6.18.1.3Network Slice Information subscription  p. 63
6.18.1.4Network Slice Information Notify  p. 64
6.18.1.5Network Slice Information delivery while registration  p. 65
6.18.2Solution evaluation  p. 66
6.19Solution 19: Slice requirements alignment capability  p. 67
6.19.1Solution description  p. 67
6.19.1.1General  p. 67
6.19.1.2Slice requirements alignment capability  p. 67
6.19.2Solution evaluation  p. 68
6.20Solution 20: Network slice optimization based on AF policy  p. 68
6.20.1Solution description  p. 68
6.20.1.1General  p. 68
6.20.1.2 OAM event triggered network slice optimization  p. 69
6.20.1.3 NWDAF event triggered network slice optimization  p. 70
6.20.1.4 NSCE server triggered network slice optimization  p. 71
6.20.1.5 AF policy provisioning  p. 72
6.20.2Solution evaluation  p. 73
6.21Solution 21: Solution on predictive slice modification in edge based NSCE deployments  p. 73
6.21.1Solution description  p. 73
6.21.1.1General  p. 73
6.21.1.2Procedure  p. 74
6.21.2Solution evaluation  p. 75
6.22Solution #22: Slice policy and configuration alignment  p. 75
6.22.1Solution description  p. 75
6.22.1.1General  p. 75
6.22.1.2 Procedure  p. 75
6.22.2Solution evaluation  p. 76
7Identities and commonly used values  p. 77
7.1General  p. 77
7.2VAL server ID  p. 77
7.3NSCE server ID  p. 77
7.4NSCE client ID  p. 77
7.5VAL client ID  p. 77
7.6UE ID  p. 77
7.7slice coverage area  p. 77
7.8NSCE service area  p. 77
8Overall evaluation  p. 78
8.1General  p. 78
8.2Solution evaluations  p. 78
8.2.1General  p. 78
8.2.2Overall Evaluation for KI#1  p. 79
8.2.3Overall Evaluation for KI#10  p. 79
8.2.4Overall Evaluation for KI#12  p. 79
8.3Architecture evaluations  p. 80
9Conclusions  p. 80
ADeployment models  p. 83
A.1Deployment scenarios  p. 83
A.1.1General  p. 83
A.1.2Centralized NSCE deployment  p. 83
A.1.3Distributed NSCE deployment  p. 83
A.1.3.1NPN NSCE deployment  p. 84
A.1.3.2Edge NSCE deployment  p. 84
A.2Deployment of NSCE server(s) in relation to VAL server and 3GPP system  p. 85
BBusiness models and relationships for NSCALE  p. 86
B.1Relevance to SA5 models  p. 86
B.2Business relationships  p. 88
$Change history  p. 90

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