Content for TR 32.864 Word version: 15.0.0
2 References
3 Definitions and abbreviations
4 Potential use cases related to management of virtualized network functions that are part of the NR
5 Potential requirements on management of virtualized network functions that are part of the NR
6 Gap analysis
7 Potential solutions
8 Conclusions
9 Recommendations
$ Change History
2 References p. 7
3 Definitions and abbreviations p. 7
3.1 Definitions p. 7
3.2 Abbreviations p. 8
4 Potential use cases related to management of virtualized network functions that are part of the NR p. 8
4.1 Configuration management use cases p. 8
4.1.1 Establishment of relation between virtualized part and non-virtualized part of a gNB p. 8
4.1.1.1 Issues p. 8
4.1.1.2 Pre-conditions p. 8
4.1.1.3 Description p. 8
4.1.1.4 Post-conditions p. 8
4.1.2 Establishment of relation between the CN NF and the gNB p. 8
4.1.2.1 Issues p. 8
4.1.2.2 Pre-conditions p. 9
4.1.2.3 Description p. 9
4.1.2.4 Post-conditions p. 9
4.1.3 Deployment of non-virtualized part of gNB based on the available dedicated hardware resource p. 9
4.1.3.1 Issues p. 9
4.1.3.2 Pre-conditions p. 9
4.1.3.3 Description p. 9
4.1.3.4 Post-conditions p. 9
4.2 Life Cycle Management use cases p. 10
4.2.1 Instantiation of virtualized part of a gNB with transport network requirements p. 10
4.2.1.1 Issues p. 10
4.2.1.2 Pre-conditions p. 10
4.2.1.3 Description p. 10
4.2.1.4 Post-conditions p. 10
4.2.2 Instantiation of NS containing VNF that is part of the CN and gNB p. 11
4.2.2.1 Issues p. 11
4.2.2.2 Pre-conditions p. 11
4.2.2.3 Description p. 11
4.2.2.4 Post-conditions p. 11
4.2.3 Update of transport network requirements p. 11
4.2.4 Addition of non-virtualized part of gNB p. 12
4.2.4.1 Issues p. 12
4.2.4.2 Pre-conditions p. 12
4.2.4.3 Description p. 12
4.2.4.4 Post-conditions p. 12
4.2.5 Removal of non-virtualized part of gNB p. 12
4.2.5.1 Issues p. 12
4.2.5.2 Pre-conditions p. 12
4.2.5.3 Description p. 12
4.2.5.4 Post-conditions p. 12
4.2.6 Replacement of non-virtualized part of gNB p. 12
4.2.6.1 Issues p. 12
4.2.6.2 Pre-conditions p. 13
4.2.6.3 Description p. 13
4.2.6.4 Post-conditions p. 13
4.2.7 On-board NSD for the gNB p. 13
4.2.7.1 Issues p. 13
4.2.7.2 Pre-conditions p. 13
4.2.7.3 Description p. 13
4.2.7.4 Post-conditions p. 13
4.2.8 Add VNFFGs to a NS containing VLs for virtualized and non-virtualized parts of gNB p. 13
4.2.8.1 Issues p. 13
4.2.8.2 Pre-conditions p. 14
4.2.8.3 Description p. 14
4.2.8.4 Post-conditions p. 14
4.2.9 Add a VNFFGD to a NSD containing VLDs for virtualized and non-virtualized parts of gNB p. 14
4.2.9.1 Issues p. 14
4.2.9.2 Pre-conditions p. 14
4.2.9.3 Description p. 14
4.2.9.4 Post-conditions p. 14
4.2.10 Instantiation of virtualized part of a gNB with the NFVI-POP geolocation identifier p. 15
4.2.10.1 Issues p. 15
4.2.10.2 Pre-conditions p. 15
4.2.10.3 Description p. 15
4.2.10.4 Post-conditions p. 15
4.2.11 Providing location of the non-virtualized part of the gNB to NFVO p. 15
4.2.11.1 Issues p. 15
4.2.11.2 Pre-conditions p. 15
4.2.11.3 Description p. 16
4.2.11.4 Post-conditions p. 16
4.2.12 Add VNFFGs to a NS to connect virtualized parts of gNB to 5GC nodes p. 16
4.2.12.1 Issues p. 16
4.2.12.2 Pre-conditions p. 16
4.2.12.3 Description p. 16
4.2.12.4 Post-conditions p. 16
4.2.13 Scaling the virtualized part of gNB for adapting to the network capacity p. 16
5 Potential requirements on management of virtualized network functions that are part of the NR p. 17
6 Gap analysis p. 18
6.1 Gaps on adding and removing non-virtualized part of gNB as PNF p. 18
6.2 Gaps on indicating VNF instance for adding VNFFGs p. 18
7 Potential solutions p. 19
7.1 Potential solutions on Lifecycle Management p. 19
7.1.1 Potential solutions on instantiation of virtualized part of a gNB p. 19
7.1.1.0 General p. 19
7.1.1.1 Instantiating the virtualized part of gNB by instantiating a new NS p. 19
7.1.1.2 Instantiating the virtualized part of gNB by updating an existing NS p. 19
7.1.1.3 Potential solution for on-boarding NSD for the virtualized part and non-virtualized part of gNB p. 20
7.1.2 Potential solution for instantiating NS containing CN VNF and virtualized part and non-virtualized part of gNB p. 21
7.1.3 Potential solution for updating transport network requirements p. 22
7.1.3.1 Potential solution for updating latency and bandwidth requirements p. 22
7.1.3.2 Potential solution for updating bandwidth requirements by changing NS DF p. 23
7.1.4 Potential solution for providing location of non-virtualized part of gNB to NFVO p. 24
7.1.5 Potential solution for adding VNFFGD for the gNB p. 24
7.1.6 Potential solution for adding VNFFGs for connecting virtualized part and non-virtualized part of gNB p. 25
7.1.7 Potential solution for adding VNFFGs for connecting virtualized part of gNB to AMF p. 26
7.2 NRM for gNB that includes virtualized part p. 26
7.2.1 NRMs for gNB p. 26
7.3 Potential solutions on adding, removing and replacing non-virtualized part of gNB p. 27
8 Conclusions p. 27
9 Recommendations p. 29
$ Change History p. 30
