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TR 28.811
Management and Orchestration –
Study on Network Slice Management enhancement

3GPP‑Page   fToC↓   Partial Content →
V17.0.0 (Wzip)  2021/12  36 p.
Rapporteur:
Mr. Hassett, Brendan
HUAWEI TECHNOLOGIES Co. Ltd.

full Table of Contents for  TR 28.811  Word version:  17.0.0

each clause number in 'red' refers to the equivalent title in the Partial Content
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1Scope  p. 7
2References  p. 7
3Definitions of terms, symbols and abbreviations  p. 8
3.1Terms  p. 8
3.2Symbols  p. 8
3.3Abbreviations  p. 8
4Concepts and overview  p. 8
4.1Network slice management terms  p. 8
4.2Multi-operator relationships in network slice management  p. 9
4.3End to end management of network slice  p. 10
4.4Multi-operator concepts  p. 10
4.4.1National roaming concept  p. 10
5Scenarios for Network Slicing Management Enhancements  p. 11
5.1Network Slice using multiple networks scenario 1  p. 11
5.1.1Description RAN sharing  p. 11
5.1.2Identified problems and general issues  p. 12
5.2Network slice using multiple networks scenario 2  p. 13
5.2.1National Roaming Description  p. 13
5.2.2Identified problems  p. 13
5.3Use case - Isolated deployment of multiple network slices of same customer  p. 13
5.3.1Introduction  p. 13
5.3.2Issue and gaps  p. 14
5.4Deployment of edge application service  p. 14
5.4.1Description  p. 14
5.4.2Identified problems  p. 14
5.5Use case - Support network slice specific authentication  p. 15
5.5.1Description  p. 15
5.5.2Issue and gaps  p. 15
5.6Use case - support network slice protection on N6 interface  p. 16
5.6.1Description  p. 16
5.6.2Issue and gaps  p. 16
5.7Use case - management data isolation for different network slice customers  p. 16
5.7.1Description  p. 16
5.7.2Issue and gaps  p. 17
6Potential requirements for Network Slicing Management Enhancements  p. 17
6.1Potential requirements for Network Slicing Management to support roaming  p. 17
6.2Potential requirements for Network Slicing Management to support network slice isolation  p. 17
6.3Potential requirements for Network Slicing Management to support edge computing  p. 18
6.4Potential requirements for Network Slicing Management to support network slice specific authentication  p. 18
6.5Potential requirements for Network Slicing Management to support network slice protection on N6 interface  p. 18
6.6Potential requirements for Network Slicing Management to support management data isolation for different NSCs  p. 19
7Possible solutions for Network Slicing Management Enhancements  p. 19
7.1Possible solutions for network slice isolation  p. 19
7.2Possible solutions for network slice using multiple networks scenario 1 - RAN sharing  p. 20
7.2.1Alternative 1: solution based on Network Slice as a Service  p. 20
7.2.1.1Description  p. 20
7.2.1.2Modelling options  p. 22
7.2.1.2.1Overview  p. 22
7.2.1.2.2Alternative 1A: solution based on the existing NetworkSlice IOC  p. 23
7.2.1.2.3Alternative 1B: solution based on new ExternalNetworkSlice IOC  p. 23
7.2.2Alternative 2: solution based on Network Slice Subnet as a Service  p. 24
7.2.2.1Description  p. 24
7.2.2.2Modelling options  p. 26
7.2.2.2.1Overview  p. 26
7.2.2.2.2Alternative 2A: solution based on the existing NetworkSliceSubnet IOC  p. 27
7.2.2.2.3Alternative 2B: solution based on new ExternalNetworkSliceSubnet IOC  p. 27
7.2.3Solution analysis  p. 28
7.2.3.1Overview  p. 28
7.2.3.2Concepts and Terminology Impact  p. 28
7.2.3.2.1Basic definitions  p. 28
7.2.3.2.2Service provider terminology  p. 29
7.2.3.3NRM Impact  p. 29
7.2.3.3.1Model in Company-NB management system  p. 29
7.2.3.3.2Model in Company-NA management system  p. 30
7.2.3.4Summary and conclusions  p. 30
7.3Possible solutions for network slice using multiple networks scenario 2 - national roaming  p. 30
7.4Possible solutions for network slice specific authentication  p. 30
7.5Possible solutions for network slice protection on N6 interface  p. 31
7.6Possible solutions for management data isolation for different NSCs  p. 32
8Conclusions and recommendations  p. 34
$Change history  p. 36

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