Tech-invite 3GPPspace IETFspace

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Content for TR 32.842 Word version: 13.1.0

0… 2…

2 References p. 10

3 Definitions and abbreviations p. 14

3.1 Definitions p. 14

3.2 Abbreviations p. 14

4 Concept and background p. 15

4.1 Concept p. 15

4.2 Background p. 15

5 Management use cases p. 16

5.1 Use cases for Fault management p. 16

5.1.1 Introduction p. 16

5.1.2 Failure management when VNF detects VNF failure p. 16

5.1.2.1 Introduction p. 16

5.1.2.2 Actor p. 16

5.1.2.3 Pre-condition p. 16

5.1.2.4 Description p. 16

5.1.2.5 Post-condition p. 17

5.1.3 Failure management when the alarm is generated by NFVI p. 17

5.1.3.1 Introduction p. 17

5.1.3.2 Actor p. 17

5.1.3.3 Pre-condition p. 17

5.1.3.4 Description p. 17

5.1.3.5 Post-condition p. 17

5.1.4 Failure management when the EM detects VNF failure p. 17

5.1.4.1 Introduction p. 17

5.1.4.2 Actor p. 18

5.1.4.3 Pre-condition p. 18

5.1.4.4 Description p. 18

5.1.4.5 Post-condition p. 18

5.1.5 Failure management when the alarm is generated by VNFC p. 18

5.1.5.1 Introduction p. 18

5.1.5.2 Actor p. 18

5.1.5.3 Pre-condition p. 18

5.1.5.4 Description p. 18

5.1.5.5 Post-condition p. 19

5.1.6 Notification of VNFCs impacted due to scheduled NFVI maintenance p. 19

5.1.6.1 Introduction p. 19

5.1.6.2 Actor p. 19

5.1.6.3 Pre-condition p. 19

5.1.6.4 Description p. 19

5.1.6.5 Post-condition p. 20

5.1.7 VM failure is detected by VNF application p. 20

5.1.7.1 Introduction p. 20

5.1.7.2 Actor p. 20

5.1.7.3 Pre-condition p. 20

5.1.7.4 Description p. 20

5.1.7.5 Post-condition p. 20

5.1.8 VNF snapshot capture p. 20

5.1.8.1 Introduction p. 20

5.1.8.2 Actor p. 21

5.1.8.3 Pre-condition p. 21

5.1.8.4 Description p. 21

5.1.8.5 Post-condition p. 21

5.2 Use cases for Configuration Management p. 21

5.2.1 VNF instantiation and configuration for mixed network p. 21

5.2.1.1 Introduction p. 21

5.2.1.2 Actor p. 22

5.2.1.3 Pre-condition p. 22

5.2.1.4 Description p. 22

5.2.1.5 Post-condition p. 22

5.2.2 NFV configuration management p. 22

5.2.2.1 Introduction p. 22

5.2.2.2 Actor p. 22

5.2.2.3 Pre-condition p. 23

5.2.2.4 Description p. 23

5.2.2.5 Post-condition p. 23

5.2.3 VNF configuration management by EM in mixed network p. 23

5.2.3.1 Introduction p. 23

5.2.3.2 Configure the VNF application specific parameters after a VNF is instantiated p. 24

5.2.3.2.1 Introduction p. 24

5.2.3.2.2 Actor p. 24

5.2.3.2.3 Pre-condition p. 24

5.2.3.2.4 Description p. 24

5.2.3.2.5 Post-condition p. 24

5.2.3.3 Release logical resource dedicated to manage the terminated VNF p. 24

5.2.3.3.1 Introduction p. 24

5.2.3.3.2 Actor p. 24

5.2.3.3.3 Pre-condition p. 24

5.2.3.3.4 Description p. 24

5.2.3.3.5 Post-condition p. 25

5.2.3.4 Configure the VNF application specific parameters after a VNF is scaled, upgraded or updated p. 25

5.2.3.4.1 Introduction p. 25

5.2.3.4.2 Actor p. 25

5.2.3.4.3 Pre-condition p. 25

5.2.3.4.4 Description p. 25

5.2.3.4.5 Post-condition p. 25

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

5.2.4.1 Introduction p. 25

5.2.4.2 Actor p. 26

5.2.4.3 Pre-condition p. 26

5.2.4.4 Description p. 26

5.2.4.5 Post-condition p. 26

5.3 Use cases for Performance Management p. 26

5.3.1 VNF Performance measurements reporting to EM p. 26

5.3.1.1 Introduction p. 26

5.3.1.2 Actor p. 26

5.3.1.3 Pre-condition p. 27

5.3.1.4 Description p. 27

5.3.1.5 Post-condition p. 27

5.3.2 Virtualized resource performance measurements p. 27

5.3.2.1 Introduction p. 27

5.3.2.2 Actors p. 27

5.3.2.3 Pre-condition p. 27

5.3.2.4 Description p. 27

5.3.2.5 Post-condition p. 27

5.4 Other Use cases involving Network Deployment p. 28

5.4.1 Information collection prior to capacity expansion p. 28

5.4.2.1 Introduction p. 28

5.4.2.2 Actor p. 28

5.4.2.3 Pre-condition p. 28

5.4.2.4 Description p. 28

5.4.2.5 Post-condition p. 28

5.5 Use cases for Core Network Lifecycle Management p. 28

5.5.1 Network Service Descriptor On-boarding p. 28

5.5.1.1 Introduction p. 28

5.5.1.2 Actor p. 28

5.5.1.3 Pre-condition p. 28

5.5.1.4 Description p. 29

5.5.1.5 Post-condition p. 29

5.5.2 Disable Network Service Descriptor p. 29

5.5.2.1 Introduction p. 29

5.5.2.2 Actor p. 29

5.5.2.3 Pre-condition p. 29

5.5.2.4 Description p. 29

5.5.2.5 Post-condition p. 29

5.5.3 Enable Network Service Descriptor p. 29

5.5.3.1 Introduction p. 29

5.5.3.2 Actor p. 29

5.5.3.3 Pre-condition p. 30

5.5.3.4 Description p. 30

5.5.3.5 Post-condition p. 30

5.5.4 Update Network Service Descriptor p. 30

5.5.4.1 Introduction p. 30

5.5.4.2 Actor p. 30

5.5.4.3 Pre-condition p. 30

5.5.4.4 Description p. 30

5.5.4.5 Post-condition p. 30

5.5.5 Query Network Service Descriptor p. 31

5.5.5.1 Introduction p. 31

5.5.5.2 Actor p. 31

5.5.5.3 Pre-condition p. 31

5.5.5.4 Description p. 31

5.5.5.5 Post-condition p. 31

5.5.6 Delete Network Service Descriptor p. 31

5.5.6.1 Introduction p. 31

5.5.6.2 Actor p. 31

5.5.6.3 Pre-condition p. 31

5.5.6.4 Description p. 32

5.5.6.5 Post-condition p. 32

5.5.7 VNF Package On-boarding p. 32

5.5.7.1 Introduction p. 32

5.5.7.2 Actor p. 32

5.5.7.3 Pre-condition p. 32

5.5.7.4 Description p. 32

5.5.7.5 Post-condition p. 32

5.5.8 Enabling VNF Package p. 32

5.5.8.1 Introduction p. 32

5.5.8.2 Actor p. 33

5.5.8.3 Pre-condition p. 33

5.5.8.4 Description p. 33

5.5.8.5 Post-condition p. 33

5.5.9 Disabling VNF Package p. 33

5.5.9.1 Introduction p. 33

5.5.9.2 Actor p. 33

5.5.9.3 Pre-conditions p. 33

5.5.9.4 Description p. 33

5.5.9.5 Post-condition p. 33

5.5.10 VNF Package Update p. 34

5.5.10.1 Introduction p. 34

5.5.10.2 Actor p. 34

5.5.10.3 Pre-condition p. 34

5.5.10.4 Description p. 34

5.5.10.5 Post-condition p. 34

5.5.11 Querying VNF Package p. 34

5.5.11.1 Introduction p. 34

5.5.11.2 Actor p. 34

5.5.11.3 Pre-condition p. 34

5.5.11.4 Description p. 35

5.5.11.5 Post-condition p. 35

5.5.12 Deleting VNF Package p. 35

5.5.12.1 Introduction p. 35

5.5.12.2 Actor p. 35

5.5.12.3 Pre-condition p. 35

5.5.12.4 Description p. 35

5.5.12.5 Post-condition p. 35

5.5.13 Instantiation of Core Network Service p. 35

5.5.13.1 Introduction p. 35

5.5.13.2 Actor p. 36

5.5.13.3 Pre-condition p. 36

5.5.13.4 Description p. 36

5.5.13.5 Post-condition p. 36

5.5.14 Network Service instance scaling p. 36

5.5.14.1 Introduction p. 36

5.5.14.2 Network Service instance scale out p. 36

5.5.14.2.1 Introduction p. 36

5.5.14.2.2 Actor p. 36

5.5.14.2.3 Pre-condition p. 36

5.5.14.2.4 Description p. 37

5.5.14.2.5 Post-condition p. 37

5.5.14.3 Network Service instance scale in p. 37

5.5.14.3.1 Introduction p. 37

5.5.14.3.2 Actor p. 37

5.5.14.3.3 Pre-condition p. 37

5.5.14.3.4 Description p. 37

5.5.14.3.5 Post-condition p. 37

5.5.15 Network Service instance update due to VNF instance modification p. 37

5.5.15.1 Introduction p. 37

5.5.15.2 Actor p. 37

5.5.15.3 Pre-condition p. 38

5.5.15.4 Description p. 38

5.5.15.5 Post-condition p. 38

5.5.16 Termination of Core Network Service Instance p. 38

5.5.16.1 Introduction p. 38

5.5.16.2 Actor p. 38

5.5.16.3 Pre-condition p. 38

5.5.16.4 Description p. 38

5.5.16.5 Post-condition p. 39

5.5.17 VNF expansion p. 39

5.5.17.1 Introduction p. 39

5.5.17.2 Actor p. 39

5.5.17.3 Pre-condition p. 39

5.5.17.4 Description p. 39

5.5.17.5 Post-condition p. 39

5.5.18 VNF Contraction p. 40

5.5.18.1 Introduction p. 40

5.5.18.2 Actor p. 40

5.5.18.3 Pre-condition p. 40

5.5.18.4 Description p. 40

5.5.18.5 Post-condition p. 40

5.5.19 Termination of Core VNF instance p. 40

5.5.19.1 Introduction p. 40

5.5.19.2 Actor p. 40

5.5.19.3 Pre-condition p. 41

5.5.19.4 Description p. 41

5.5.19.5 Post-condition p. 41

5.5.20 Notifications for VNF auto-scaling executed by VNFM p. 41

5.5.20.1 Introduction p. 41

5.5.20.2 Actor p. 41

5.5.20.3 Pre-condition p. 41

5.5.20.4 Description p. 41

5.5.20.5 Post-condition p. 42

6 Potential requirements p. 42

6.1 Introduction p. 42

6.2 Requirements for management of VNF only network p. 42

6.2.1 General requirements p. 42

6.2.2 CM requirements p. 43

6.2.3 FM requirements p. 43

6.2.4 PM requirements p. 43

6.2.5 LCM requirements p. 43

6.3 Requirements for management of mixed network p. 45

6.3.1 General requirements p. 45

6.3.2 CM requirements p. 46

6.3.3 FM requirements p. 46

6.3.4 PM requirements p. 46

6.3.5 LCM requirements p. 46

7 Potential solutions p. 46

7.1 Management architecture p. 46

7.1.1 Overview p. 46

7.1.2 Involvement of 3GPP SA5 for NFV Management and Orchestration interfaces p. 47

7.2 Management interfaces and models p. 50

7.2.1 Global view of data flows p. 50

7.2.1.1 FM & PM data flows p. 50

7.2.1.1.1 MANO GS defined FM & PM data flows p. 50

7.2.1.1.2 3GPP view of FM & PM data flows p. 52

7.2.1.2 CM notification data flows p. 53

7.3 Management procedures p. 53

7.3.1 Introduction p. 53

7.3.2 LCM procedures p. 54

7.3.2.1 Instantiation of VNF p. 54

7.3.2.2 VNF instance scaling procedures p. 57

7.3.2.2.1 VNF instance scaling procedures with resource allocation done by VNF Manager p. 57

7.3.2.2.1.1 VNF instance expansion procedure triggered by NM/EM p. 57

7.3.2.2.1.2 VNF instance contraction procedure triggered by NM/EM p. 59

7.3.2.3 Termination of IMS/EPC VNF instance Procedure p. 60

7.3.2.4 Instantiation of Network Service p. 62

7.3.2.5 Termination of Network Service p. 63

7.3.3 FM procedure p. 64

7.3.3.1 FM procedure flow for correlation done in EM p. 64

7.3.3.1.1 Introduction p. 64

7.3.3.1.2 VR resource fault report procedure p. 64

7.3.3.1.3 VNF application fault report procedure p. 64

7.3.3.1.4 fault correlation done in EM procedure p. 65

7.3.3.2 FM procedure flow for correlation in VNFM p. 65

7.3.3.2.1 Introduction p. 65

7.3.3.2.2 VR fault report procedure p. 65

7.3.3.2.3 VNF/VNFC fault report procedure p. 65

7.3.3.2.4 Fault correlation in VNFM p. 66

7.3.3.3 FM procedure flow for notification of VNFCs impacted due to scheduled NFVI maintenance p. 66

7.3.3.4 FM procedure flows for healing through operation request to VNFM and auto-healing p. 67

7.3.3.4.1 Procedure flow for VNF healing through operation request to VNFM by EM p. 67

7.3.3.4.2 Procedure flow for VNF auto-healing by VNFM p. 68

7.3.3.5 VNF snapshot capture procedure p. 69

7.3.4 CM procedures p. 70

7.3.4.1 Adding a MME VNF to the MME pool p. 70

7.3.4.2 Removing a MME VNF from the MME pool p. 71

7.3.4.3 Information exchange following VNF lifecycle management p. 72

7.3.5 PM procedures p. 73

7.3.5.1 VNF performance management p. 73

8 Conclusions and recommendations p. 73

8.1 General Conclusions p. 73

8.2 Conclusions on potential use cases p. 73

8.3 Conclusions on potential requirements p. 75

8.4 Conclusions on potential solutions p. 75

8.5 Recommendations p. 76

A Gap Analysis p. 77

A.1 Introduction p. 77

A.2 ETSI NFV terms relevant to the network management of 3GPP mobile networks and services p. 77

A.3 Summary of the gap with the existing 3GPP management functions p. 77

A.4 Summary of the gap with the ETSI specified MANO functions p. 78

A.4.1 Gaps related to PM data flows p. 78

A.4.1.1 Application level PM flow to be received by VNFM from VNF or EM p. 78

A.4.1.2 Application level PM flow to be received by OSS/BSS from NFVO p. 78

A.4.1.3 Virtualized resource level PM to be received by EM p. 78

A.4.2 Gaps related to FM data flows p. 78

A.4.2.1 Application level FM flow to be received by VNFM from VNF or EM p. 78

A.4.2.2 Application level FM flow to be received by OSS/BSS from NFVO p. 78

A.4.2.3 Virtualized resource level FM to be received by EM p. 78

A.4.3 Gaps related to definition of NSD operations p. 78

A.4.3.1 Network Service Descriptor Management interface p. 78

A.4.3.2 Network Service Descriptor states p. 79

A.4.4 Use cases not supported by ETSI NFV GS MAN001 v1.1.1 p. 79

A.4.4.1 Notification of VNFCs impacted due to scheduled NFVI maintenance p. 79

A.4.4.2 VNF snapshot capture p. 79

A.4.4.3 Notifications related to VNF auto-healing by VNFM p. 79

A.4.4.4 Notification related to VNF auto-scaling by VNFM p. 80

B Ensemble p. 81

B.1 Introduction p. 81

B.2 Ensemble 1 p. 81

B.3 Ensemble 2 p. 82

B.4 Ensemble 3 p. 83

$ Change History p. 84