ETSI GS ZSM 001 V1.1.1 (2019-10)
DGS/ZSM-001ed111_UCs
General Information
Standards Content (sample)
ETSI GS ZSM 001 V1.1.1 (2019-10)
GROUP SPECIFICATION
Zero-touch network and Service Management (ZSM);
Requirements based on documented scenarios
Disclaimer
The present document has been produced and approved by the Zero touch network and Service Management (ZSM) ETSI
Industry Specification Group (ISG) and represents the views of those members who participated in this ISG.
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2 ETSI GS ZSM 001 V1.1.1 (2019-10)
Reference
DGS/ZSM-001ed111_UCs
Keywords
management, network, requirements, service,
use case
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3 ETSI GS ZSM 001 V1.1.1 (2019-10)
Contents
Intellectual Property Rights ................................................................................................................................ 7
Foreword ............................................................................................................................................................. 7
Modal verbs terminology .................................................................................................................................... 7
1 Scope ........................................................................................................................................................ 8
2 References ................................................................................................................................................ 8
2.1 Normative references ......................................................................................................................................... 8
2.2 Informative references ........................................................................................................................................ 8
3 Definition of terms, symbols and abbreviations ....................................................................................... 9
3.1 Terms .................................................................................................................................................................. 9
3.2 Symbols .............................................................................................................................................................. 9
3.3 Abbreviations ..................................................................................................................................................... 9
4 Introduction ............................................................................................................................................ 11
5 List of requirements................................................................................................................................ 13
5.1 Introduction ...................................................................................................................................................... 13
5.2 Requirements .................................................................................................................................................... 13
6 Scenarios ................................................................................................................................................ 28
6.1 Introduction ...................................................................................................................................................... 28
6.2 E2E network and service management ............................................................................................................. 28
6.2.1 E2E automation of 5G network slice as operator-internal management and orchestration ........................ 28
6.2.1.1 Network slice lifecycle management .................................................................................................... 28
6.2.1.1.1 Description ...................................................................................................................................... 28
6.2.1.1.2 Rationale and challenges ................................................................................................................. 28
6.2.1.1.3 ZSM scenario details ....................................................................................................................... 28
6.2.1.1.4 Related requirements for ZSM ........................................................................................................ 29
6.2.1.2 Network slice isolation management .................................................................................................... 30
6.2.1.2.1 Description ...................................................................................................................................... 30
6.2.1.2.2 Rationale and challenges ................................................................................................................. 30
6.2.1.2.3 ZSM scenario details ....................................................................................................................... 30
6.2.1.2.4 Related requirements for ZSM ........................................................................................................ 31
6.2.1.3 Network slice monitoring ...................................................................................................................... 31
6.2.1.3.1 Description ...................................................................................................................................... 31
6.2.1.3.2 Rationale and challenges ................................................................................................................. 31
6.2.1.3.3 ZSM scenario details ....................................................................................................................... 31
6.2.1.3.4 Related requirements for ZSM ........................................................................................................ 32
6.2.1.4 E2E network slicing provisioning in support of 5G services ................................................................ 32
6.2.1.4.1 Description ...................................................................................................................................... 32
6.2.1.4.2 Rationale and challenges ................................................................................................................. 32
6.2.1.4.3 ZSM scenario details ....................................................................................................................... 33
6.2.1.4.4 Related requirements for ZSM ........................................................................................................ 33
6.2.1.5 Performance monitoring of E2E network slicing and service in support of 5G network and
service ................................................................................................................................................... 34
6.2.1.5.1 Description ...................................................................................................................................... 34
6.2.1.5.2 Rationale and challenges ................................................................................................................. 34
6.2.1.5.3 ZSM scenario details ....................................................................................................................... 34
6.2.1.5.4 Related requirements for ZSM framework ...................................................................................... 34
6.2.2 E2E automation of 5G network slice management and orchestration in support of 5G services
(network slice as a service) ......................................................................................................................... 34
6.2.2.1 Exposure to support management and orchestration of NSaaS ............................................................. 34
6.2.2.1.1 Description ...................................................................................................................................... 34
6.2.2.1.2 Rationale and challenges ................................................................................................................. 35
6.2.2.1.3 ZSM scenario details ....................................................................................................................... 35
6.2.2.1.4 Related requirements for ZSM ........................................................................................................ 35
6.2.2.2 E2E 5G network slicing management and orchestration in support of 5G services .............................. 35
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6.2.2.2.1 Description ...................................................................................................................................... 35
6.2.2.2.2 Rationale and challenges ................................................................................................................. 36
6.2.2.2.3 ZSM scenario details ....................................................................................................................... 36
6.2.2.2.4 Related requirements for ZSM ........................................................................................................ 36
6.2.3 Automation of E2E network and service management ............................................................................... 36
6.2.3.1 Zero-touch full automation of 5G network and service management ................................................... 36
6.2.3.1.1 Description ...................................................................................................................................... 36
6.2.3.1.2 Rationale and challenges ................................................................................................................. 37
6.2.3.1.3 ZSM scenario details ....................................................................................................................... 37
6.2.3.1.4 Related requirements for ZSM ........................................................................................................ 38
6.2.3.2 Automated network bandwidth management ........................................................................................ 38
6.2.3.2.1 Description ...................................................................................................................................... 38
6.2.3.2.2 Rationale and challenges ................................................................................................................. 38
6.2.3.2.3 ZSM scenario details ....................................................................................................................... 39
6.2.3.2.4 Related requirements for ZSM ........................................................................................................ 39
6.2.3.3 ZSM automated healing ........................................................................................................................ 39
6.2.3.3.1 Description ...................................................................................................................................... 39
6.2.3.3.2 Rationale and challenges ................................................................................................................. 40
6.2.3.3.3 ZSM scenario details ....................................................................................................................... 40
6.2.3.3.4 Related requirements for ZSM ........................................................................................................ 40
6.2.3.4 Automatic E2E network and service topology management ................................................................. 40
6.2.3.4.1 Description ...................................................................................................................................... 40
6.2.3.4.2 Rationale and challenges ................................................................................................................. 40
6.2.3.4.3 ZSM scenario details ....................................................................................................................... 41
6.2.3.4.4 Related requirements for ZSM ........................................................................................................ 41
6.2.3.5 Zero-touch E2E 5G network and service management as well as orchestration including edge
computing.............................................................................................................................................. 42
6.2.3.5.1 Description ...................................................................................................................................... 42
6.2.3.5.2 Rationale and challenges ................................................................................................................. 42
6.2.3.5.3 ZSM scenario details ....................................................................................................................... 42
6.2.3.5.4 Related requirements for ZSM ........................................................................................................ 43
6.2.3.6 Automatic software deployment ........................................................................................................... 43
6.2.3.6.1 Description ...................................................................................................................................... 43
6.2.3.6.2 Rationale and challenges ................................................................................................................. 43
6.2.3.6.3 ZSM scenario details ....................................................................................................................... 44
6.2.3.6.4 Related requirements for ZSM ........................................................................................................ 44
6.2.3.7 Automatic software upgrade ................................................................................................................. 45
6.2.3.7.1 Description ...................................................................................................................................... 45
6.2.3.7.2 Rationale and challenges ................................................................................................................. 45
6.2.3.7.3 ZSM scenario details ....................................................................................................................... 45
6.2.3.7.4 Related requirements for ZSM ........................................................................................................ 45
6.2.3.8 Automation using policies ..................................................................................................................... 46
6.2.3.8.1 Description ...................................................................................................................................... 46
6.2.3.8.2 Rationale and challenges ................................................................................................................. 46
6.2.3.8.3 ZSM scenario details ....................................................................................................................... 46
6.2.3.8.4 Related requirements for ZSM ........................................................................................................ 47
6.2.3.9 Closed loop automation ......................................................................................................................... 48
6.2.3.9.1 Description ...................................................................................................................................... 48
6.2.3.9.2 Rationale and challenges ................................................................................................................. 48
6.2.3.9.3 ZSM scenario details ....................................................................................................................... 48
6.2.3.9.4 Related requirements for ZSM ........................................................................................................ 49
6.2.3.10 Full automation of VNF provisioning ................................................................................................... 49
6.2.3.10.1 Description ...................................................................................................................................... 49
6.2.3.10.2 Rationale and challenges ................................................................................................................. 49
6.2.3.10.3 ZSM scenario details ....................................................................................................................... 49
6.2.3.10.4 Related requirements for ZSM ........................................................................................................ 50
6.2.3.11 Automated detection of services offered by management domains ...................................................... 50
6.2.3.11.1 Description ...................................................................................................................................... 50
6.2.3.11.2 Rationale and challenges ................................................................................................................. 50
6.2.3.11.3 ZSM scenario details ....................................................................................................................... 50
6.2.3.11.4 Related requirements for ZSM ........................................................................................................ 50
6.2.3.12 Service management by 3GPP management system and ETSI NFV MANO ....................................... 51
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6.2.3.12.1 Description ...................................................................................................................................... 51
6.2.3.12.2 Rationale and challenges ................................................................................................................. 51
6.2.3.12.3 ZSM Scenario details ...................................................................................................................... 51
6.2.3.12.4 Related requirements for ZSM ........................................................................................................ 52
6.3 Network as a service......................................................................................................................................... 52
6.3.1 NaaS lifecycle and exposure with a network slicing scenario .................................................................... 52
6.3.1.1 Description ............................................................................................................................................ 52
6.3.1.2 Rationale and challenges ....................................................................................................................... 52
6.3.1.2.1 CSP challenges and requirements .................................................................................................... 52
6.3.1.2.2 ZSM challenges ............................................................................................................................... 53
6.3.1.3 ZSM scenario details ............................................................................................................................. 53
6.3.1.4 Related requirements for ZSM .............................................................................................................. 54
6.4 Analytics & machine learning .......................................................................................................................... 54
6.4.1 Access to up-to-date telemetry data ............................................................................................................ 54
6.4.1.1 Description ............................................................................................................................................ 54
6.4.1.2 Rationale and challenges ....................................................................................................................... 54
6.4.1.3 ZSM scenario details ............................................................................................................................. 55
6.4.1.4 Related requirements for ZSM .............................................................................................................. 55
6.4.2 Machine learning for network & service automation.................................................................................. 56
6.4.2.1 Description ............................................................................................................................................ 56
6.4.2.2 Rationale and challenges ....................................................................................................................... 56
6.4.2.3 ZSM scenario details ............................................................................................................................. 57
6.4.2.4 Related requirements for ZSM .............................................................................................................. 57
6.4.3 Predictive analytics ..................................................................................................................................... 58
6.4.3.1 Description ............................................................................................................................................ 58
6.4.3.2 Rationale and challenges ....................................................................................................................... 58
6.4.3.3 ZSM scenario details ............................................................................................................................. 58
6.4.3.4 Related requirements for ZSM .............................................................................................................. 58
6.4.4 Real time monitoring and analysis .............................................................................................................. 59
6.4.4.1 Description ............................................................................................................................................ 59
6.4.4.2 Rationale and challenges ....................................................................................................................... 59
6.4.4.3 ZSM scenario details ............................................................................................................................. 59
6.4.4.4 Related requirements for ZSM .............................................................................................................. 59
6.4.5 Proposal for analytics domains and concepts for interaction ...................................................................... 59
6.4.5.1 Description ............................................................................................................................................ 59
6.4.5.2 Rationale and challenges ....................................................................................................................... 60
6.4.5.3 ZSM scenario details ............................................................................................................................. 60
6.4.5.4 Related requirements for ZSM .............................................................................................................. 60
6.4.6 AI for network and service automation....................................................................................................... 60
6.4.6.1 Description ............................................................................................................................................ 60
6.4.6.2 Rationale and challenges ....................................................................................................................... 61
6.4.6.3 ZSM scenario details ............................................................................................................................. 61
6.4.6.4 Related requirements for ZSM .............................................................................................................. 61
6.4.7 CI/CD for ZSM framework functional components ................................................................................... 62
6.4.7.1 Description ............................................................................................................................................ 62
6.4.7.2 Rationale and challenges ....................................................................................................................... 62
6.4.7.3 ZSM scenario details ............................................................................................................................. 62
6.4.7.4 Related requirements for ZSM .............................................................................................................. 62
6.4.8 Zero-touch self-optimizing network ........................................................................................................... 63
6.4.8.1 Description ............................................................................................................................................ 63
6.4.8.2 Rationale and challenges ....................................................................................................................... 63
6.4.8.3 ZSM scenario details ............................................................................................................................. 65
6.4.8.4 Related requirements for ZSM .............................................................................................................. 65
6.4.9 Self-learning based on reinforcement learning ........................................................................................... 66
6.4.9.1 Description ............................................................................................................................................ 66
6.4.9.2 Rationale and challenges ....................................................................................................................... 66
6.4.9.3 ZSM scenario details ............................................................................................................................. 67
6.4.9.4 Related requirements for ZSM .............................................................................................................. 67
6.4.10 Optimization of supervised/unsupervised learning used in management services for closed loop ............. 67
6.4.10.1 Description ............................................................................................................................................ 67
6.4.10.2 Rationale and challenges ..................................................................
...
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