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Content for  TR 32.842  Word version:  13.1.0

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2  Referencesp. 10

3  Definitions and abbreviationsp. 14

4  Concept and backgroundp. 15

4.1  Conceptp. 15

4.2  Backgroundp. 15

5  Management use casesp. 16

5.1  Use cases for Fault managementp. 16

5.1.1  Introductionp. 16

5.1.2  Failure management when VNF detects VNF failurep. 16

5.1.3  Failure management when the alarm is generated by NFVIp. 17

5.1.4  Failure management when the EM detects VNF failurep. 17

5.1.5  Failure management when the alarm is generated by VNFCp. 18

5.1.6  Notification of VNFCs impacted due to scheduled NFVI maintenancep. 19

5.1.7  VM failure is detected by VNF applicationp. 20

5.1.8  VNF snapshot capturep. 20

5.2  Use cases for Configuration Managementp. 21

5.2.1  VNF instantiation and configuration for mixed networkp. 21

5.2.2  NFV configuration managementp. 22

5.2.3  VNF configuration management by EM in mixed networkp. 23

5.2.4  Automatic re-connection of eNBs after lifecycle management of vMMEp. 25

5.3  Use cases for Performance Managementp. 26

5.4  Other Use cases involving Network Deploymentp. 28

5.5  Use cases for Core Network Lifecycle Managementp. 28

5.5.1  Network Service Descriptor On-boardingp. 28

5.5.2  Disable Network Service Descriptorp. 29

5.5.3  Enable Network Service Descriptorp. 29

5.5.4  Update Network Service Descriptorp. 30

5.5.5  Query Network Service Descriptorp. 31

5.5.6  Delete Network Service Descriptorp. 31

5.5.7  VNF Package On-boardingp. 32

5.5.8  Enabling VNF Packagep. 32

5.5.9  Disabling VNF Packagep. 33

5.5.10  VNF Package Updatep. 34

5.5.11  Querying VNF Packagep. 34

5.5.12  Deleting VNF Packagep. 35

5.5.13  Instantiation of Core Network Servicep. 35

5.5.14  Network Service instance scalingp. 36

5.5.15  Network Service instance update due to VNF instance modificationp. 37

5.5.16  Termination of Core Network Service Instancep. 38

5.5.17  VNF expansionp. 39

5.5.18  VNF Contractionp. 40

5.5.19  Termination of Core VNF instancep. 40

5.5.20  Notifications for VNF auto-scaling executed by VNFMp. 41

6  Potential requirementsp. 42

7  Potential solutionsp. 46

7.1  Management architecturep. 46

7.2  Management interfaces and modelsp. 50

7.3  Management proceduresp. 53

7.3.1  Introductionp. 53

7.3.2  LCM proceduresp. 54

7.3.3  FM procedurep. 64

7.3.4  CM proceduresp. 70

7.3.5  PM proceduresp. 73

8  Conclusions and recommendationsp. 73

A  Gap Analysisp. 77

B  Ensemblep. 81

$  Change Historyp. 84


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