ETSI GR NFV-TST 007 V3.1.1 (2022-05)

Network Functions Virtualisation (NFV) Release 3; Testing; Guidelines on Interoperability Testing for MANO

RGR/NFV-TST007ed311

General Information

• Status: Not Published
• Technical Committee: NFV TST - Testing, Implementation, and Open Source Working Group
• Current Stage: 12 - Completion
• Due Date: 03-May-2022
• Completion Date: 05-May-2022

Standards Content (Sample)

GROUP REPORT
Network Functions Virtualisation (NFV) Release 3;
Testing;
Guidelines on Interoperability Testing for MANO
Disclaimer
The present document has been produced and approved by the Network Functions Virtualisation (NFV) ETSI Industry
Specification Group (ISG) and represents the views of those members who participated in this ISG.
It does not necessarily represent the views of the entire ETSI membership.

2 ETSI GR NFV-TST 007 V3.1.1 (2022-05)

Reference
RGR/NFV-TST007ed311
Keywords
interoperability, management, MANO, NFV, testing
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ETSI
3 ETSI GR NFV-TST 007 V3.1.1 (2022-05)
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 Interoperability Features Statement (IFS) . 10
4.1 Introduction . 10
4.2 IFS for VIM . 10
4.2.1 Software Image Management . 10
4.2.2 VNF Package Management . 11
4.2.3 VNF Lifecycle Management. 11
4.2.4 Fault Management . 12
4.2.5 Performance Management . 13
4.2.6 NS Lifecycle Management . 14
4.3 IFS for VNFM . 16
4.3.1 Software Image Management . 16
4.3.2 VNF Package Management . 16
4.3.3 VNF Lifecycle Management. 17
4.3.4 Fault Management . 19
4.3.5 Performance Management . 20
4.3.6 NS Lifecycle Management . 21
4.4 IFS for NFVO . 22
4.4.1 Software Image Management . 22
4.4.2 VNF Package Management . 23
4.4.3 VNF Lifecycle Management. 23
4.4.4 Fault Management . 24
4.4.5 Performance Management . 25
4.4.6 NS Lifecycle Management . 26
4.5 IFS for EM/VNF . 28
4.5.1 Software Image Management . 28
4.5.2 VNF Package Management . 29
4.5.3 VNF Lifecycle Management. 29
4.5.4 Fault Management . 29
4.5.5 Performance Management . 29
4.5.6 NS Lifecycle Management . 29
5 System Under Test (SUT) . 30
5.1 SUT Configuration 1 . 30
5.2 SUT Configuration 2 . 30
5.3 SUT Configuration 3 . 31
5.4 SUT Configuration 4 . 31
6 Test Suite Structure . 32
6.1 Introduction . 32
6.2 Software Image Management Test Cases Overview . 32
6.3 VNF Package Management Test Cases Overview . 32
6.4 VNF Lifecycle Management Test Cases Overview . 33
6.5 Fault Management Test Cases Overview . 33
6.6 Performance Management Test Cases Overview . 34
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4 ETSI GR NFV-TST 007 V3.1.1 (2022-05)
6.7 NS Lifecycle Management Test Cases Overview . 34
6.8 Virtualised Resource Management Test Cases Overview . 36
7 Test Descriptions . 37
7.1 Introduction . 37
7.2 Software Image Management . 37
7.2.1 Add Software Image . 37
7.2.2 Query Software Image . 37
7.2.2.1 Query Software Image by NFVO . 37
7.2.2.2 Query Software Image by VNFM . 38
7.2.3 Update Software Image . 38
7.2.4 Delete Software Image . 39
7.3 VNF Package Management . 39
7.3.1 On-board VNF Package . 39
7.3.2 Delete VNF Package . 40
7.3.3 Abort VNF Package Delete Operation. 40
7.4 VNF Lifecycle Management . 40
7.4.1 Instantiate VNF with an EM Request . 40
7.4.2 Query VNF with an EM Request . 42
7.4.3 Modify VNF Configuration Information with an EM Request . 42
7.4.4 Start VNF/VNFC with an EM Request. 43
7.4.5 Stop VNF/VNFC with an EM Request . 44
7.4.6 VNF Healing with an EM/VNF Request . 45
7.4.7 VNF Scale Out with an EM/VNF Request . 46
7.4.8 VNF Scale In with an EM/VNF Request . 47
7.4.9 Terminate VNF with an EM Request . 48
7.5 Fault Management . 49
7.5.1 Virtualised Resource Fault Management . 49
7.5.1.1 Virtualised Resource Fault Alarm Notifica tion . 49
7.5.1.2 Virtualised Resource Fault Alarm Clearance Notification . 49
7.5.2 VNF Fault Management . 50
7.5.2.1 VNF Fault Alarm Notifications . 50
7.5.2.2 VNF Fault Alarm Clearance Notifications . 51
7.5.3 NS Fault Management . 51
7.5.3.1 NS Fault Alarm Subscription Creation . 51
7.5.3.2 NS Fault Alarm Subscription Deletion . 52
7.5.3.3 NS Fault Alarm Notification . 52
7.5.3.4 NS Fault Alarm Notification Clearance . 53
7.5.3.5 NS Fault Alarm Query . 53
7.6 Performance Management . 54
7.6.1 Virtualised Resource Performance Management . 54
7.6.1.1 Virtualised Resource PM Job Creation and Notification Monitoring . 54
7.6.1.2 Virtualised Resource PM Job Creation and Threshold Monitoring . 55
7.6.1.3 Virtualised Resource PM Job Deletion . 55
7.6.1.4 Virtualised Resource PM Threshold Deletion . 56
7.6.2 VNF Performance Management . 56
7.6.2.1 VNF PM Job Creation and Notification Monitoring . 56
7.6.2.2 VNF PM Job Creation and Threshold Monitoring . 57
7.6.2.3 VNF PM Job Deletion . 59
7.6.2.4 VNF PM Threshold Deletion . 60
7.6.3 NS Performance Management . 60
7.6.3.1 NS PM Monitoring Job Creation . 60
7.6.3.2 NS PM Performance Metrics Query . 61
7.6.3.3 NS PM Threshold Creation . 62
7.6.3.4 NS PM Subscription Creation for Threshold Information . 62
7.6.3.5 NS PM Subscription Creation for Performance Information . 63
7.6.3.6 NS PM Threshold Notification . 63
7.6.3.7 NS PM Monitoring Information Notification . 64
7.6.3.8 NS PM Subscription Deletion . 64
7.6.3.9 NS PM Monitoring Job Deletion . 65
7.6.3.10 NS PM Performance Metrics Threshold Deletion. 65
7.7 NS Lifecycle Management . 66
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5 ETSI GR NFV-TST 007 V3.1.1 (2022-05)
7.7.1 NS Instantiation . 66
7.7.1.1 Standalone NS Instantiation . 66
7.7.1.2 Nested NS Instantiation . 68
7.7.1.3 Multi-Site NS Instantiation . 70
7.7.1.4 SFC NS Instantiation. 72
7.7.2 NS Scaling . 73
7.7.2.1 NS Scale Out . 73
7.7.2.1.1 NS Scale out with an Operator Action . 73
7.7.2.1.2 NS Scale out with a VNF Indicator notification . 74
7.7.2.1.3 NS Scale out with a VIM KPI . 76
7.7.2.1.4 NS Scale out with a query to VNF Indicator by VNFM . 77
7.7.2.1.5 NS Scale out for Multi-Site with an Operator Action. 78
7.7.2.2 NS Scale In. 79
7.7.2.2.1 NS Scale In with an Operator Action . 79
7.7.2.2.2 NS Scale in with a VNF Indicator notification . 80
7.7.2.2.3 NS Scale in with a VIM KPI . 81
7.7.2.2.4 NS Scale in with a query to VNF Indicator by VNFM. 83
7.7.2.2.5 NS Scale in for Multi-Site with an Operator Action. 84
7.7.2.3 NS VNF Scale Out . 85
7.7.2.3.1 NS VNF Scale Out with an Operator Action . 85
7.7.2.3.2 NS VNF Scale Out with a VNF Indicator notification . 86
7.7.2.3.3 NS VNF Scale Out with a VIM KPI . 87
7.7.2.3.4 NS VNF Scale Out with a query to VNF Indicator by VNFM . 89
7.7.2.3.5 NS VNF Scale Out for Multi-Site with an Operator Action . 90
7.7.2.4 NS VNF Scale In . 91
7.7.2.4.1 NS VNF Scale In with an Operator Action . 91
7.7.2.4.2 NS VNF Scale In with a VNF Indicator notificatio n . 93
7.7.2.4.3 NS VNF Scale In with a VIM KPI . 94
7.7.2.4.4 NS VNF Scale In with a query to VNF indicator by VNFM . 95
7.7.2.4.5 NS VNF Scale In for Multi-Site with an Operator Action . 96
7.7.2.5 NS Scale to Level . 97
7.7.2.5.1 NS Scale to Level with an Operator Action . 97
7.7.2.5.2 NS Scale to Level from VNF Indicator notification . 98
7.7.2.5.3 NS Scale to Level from a VIM KPI . 99
7.7.2.5.4 NS Scale to Level with an Operator Action for Multi-Site. 101
7.7.2.6 NS VNF Scale to Level . 102
7.7.2.6.1 NS VNF Scale to Level with an Operator Action. 102
7.7.2.6.2 NS VNF Scale to Level from VNF Indicator notification . 103
7.7.2.6.3 NS VNF Scale to Level with a VIM KPI . 104
7.7.2.6.4 NS VNF Scale to Level with an Operator Action for Multi-Site . 105
7.7.3 NS Update . 106
7.7.3.1 Start VNF Instance . 106
7.7.3.2 Stop VNF Instance . 107
7.7.3.3 Instantiate VNF and Add Instance to NS Instance . 108
7.7.3.4 Remove VNF Instances from a NS Instance . 109
7.7.3.5 Add Shared VNF Instances to NS Instance . 109
7.7.3.6 Remove Shared VNF Instances from NS Instance . 110
7.7.3.7 Change VNF Deployment Flavour . 111
7.7.3.8 VNF Configuration update on runtime . 112
7.7.4 NS Healing. 113
7.7.4.1 Partial NS Healing with an Operator Action . 113
7.7.4.2 Complete NS Healing with an Operator Action . 114
7.7.5 NS Termination . 115
7.7.5.1 Standalone NS Termination . 115
7.7.5.2 Nested NS Termination . 115
7.7.5.3 Multi-Site NS Termination . 116
7.7.5.4 SFC NS Termination . 117
7.8 Virtualised Resource Management . 118
7.8.1 Virtualised Compute Resource Management . 118
7.8.1.1 Generic Virtualised Compute Resource Allocation . 118
7.8.1.2 ARM Virtualised Compute Resource Allocation . 118
7.8.1.3 x86 Virtualised Compute Resource Allocation . 119
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6 ETSI GR NFV-TST 007 V3.1.1 (2022-05)
7.8.1.4 Anti-affinity Virtualised Compute Resource Allocation . 119
7.8.1.5 NUMA Virtualised Compute Resource Allocation . 120
7.8.1.6 Compute Resource Allocation in Huge Page Memory Mode . 121
7.8.1.7 Virtualised Compute Resource Using SR-IOV . 121
7.8.2 Virtualised Network Resource Management . 122
7.8.2.1 Allocate an IPv6 Address to virtualised network interface via DHCP . 122
7.8.3 Virtualised Storage Resource Management . 123
7.8.3.1 Generic Virtualised Storage Resource Allocation . 123
7.8.3.2 RDMA Virtualised Storage Resource Allocation . 123
Annex A: Technical Report Card Sample . 124
Annex B: Document Usage Process Diagram . 125
Annex C: Interoperability Features Statement (IFS) Diagram . 126
C.0 General . 126
C.1 IFS for VIM . 126
C.2 IFS for VNFM . 127
C.3 IFS for NFVO . 128
C.4 IFS for EM/VNF . 129
Annex D: Void . 130
Annex E: Usage of test tools . 131
History . 132

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7 ETSI GR NFV-TST 007 V3.1.1 (2022-05)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are publicly available for ETSI members and non-members, and can be
found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to
ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the
ETSI Web server (https://ipr.etsi.org/).
Pursuant to the ETSI Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not
referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become,
essential to the present document.
Trademarks
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ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
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DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its

Members. 3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and of the 3GPP
Organizational Partners. oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and of the ®
oneM2M Partners. GSM and the GSM logo are trademarks registered and owned by the GSM Association.
Foreword
This Group Report (GR) has been produced by ETSI Industry Specification Group (ISG) Network Functions
Virtualisation (NFV).
Modal verbs terminology
In the present document "should", "should not", "may", "need not", "will", "will not", "can" and "cannot" are to be
interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI
8 ETSI GR NFV-TST 007 V3.1.1 (2022-05)
1 Scope
The present document describes a set of informative interoperability test guidelines for NFV capabilities that require
interactions between the components implementing NFV functionality, namely, the NFVO, VNFM, EM-VNF and
VIM-NFVI (Functions under Test).
The guidelines in the present document follow the interoperability testing methodology described in ETSI
GS NFV-TST 002 [i.1] and are implementation agnostic. The capabilities in scope are enabled by the interfaces on the
main NFV reference points between the Functions Under Test:
• Or-Vi;
• Or-Vnfm;
• Vi-Vnfm; and
• Ve-Vnfm.
2 References
2.1 Normative references
Normative references are not applicable in the present document.
2.2 Informative references
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
referenced document (including any amendments) applies.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long term validity.
The following referenced documents are not necessary for the application of the present document but they assist the
user with regard to a particular subject area.
[i.1] ETSI GS NFV-TST 002 (V1.1.1): "Network Functions Virtualisation (NFV); Testing
Methodology; Report on NFV Interoperability Testing Methodology".
[i.2] ETSI GS NFV 003 (V1.6.1): "Network Functions Virtualisation (NFV); Terminology for Main
Concepts in NFV".
[i.3] ETSI GS NFV-IFA 005 (V3.5.1): "Network Functions Virtualisation (NFV) Release 3;
Management and Orchestration; Or-Vi reference point - Interface and Information Model
Specification".
[i.4] ETSI GS NFV-IFA 006 (V3.5.1): "Network Functions Virtualisation (NFV) Release 3;
Management and Orchestration; Vi-Vnfm reference point - Interface and Information Model
Specification".
[i.5] ETSI GS NFV-IFA 007 (V3.5.1): "Network Functions Virtualisation (NFV) Release 3;
Management and Orchestration; Or-Vnfm reference point - Interface and Information Model
Specification".
[i.6] ETSI GS NFV-IFA 008 (V3.5.1): "Network Functions Virtualisation (NFV) Release 3;
Management and Orchestration; Ve-Vnfm reference point - Interface and Information Model
Specification".
[i.7] ETSI GS NFV-IFA 010 (V3.5.1): "Network Functions Virtualisation (NFV) Release 3;
Management and Orchestration; Functional requirements specification".
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9 ETSI GR NFV-TST 007 V3.1.1 (2022-05)
[i.8] ETSI GS NFV-IFA 011 (V3.5.1): "Network Functions Virtualisation (NFV) Release 3;
Management and Orchestration; VNF Descriptor and Packaging Specification".
[i.9] ETSI GS NFV-IFA 013 (V3.5.1): "Network Functions Virtualisation (NFV) Release 3;
Management and Orchestration; Os-Ma-nfvo reference point - Interface and Information Model
Specification".
3 Definition of terms, symbols and abbreviations
3.1 Terms
For the purposes of the present document, the terms given in ETSI GS NFV 003 [i.2] apply.
3.2 Symbols
Void.
3.3 Abbreviations
For the purposes of the present document, the abbreviations given in ETSI GS NFV 003 [i.2] and the following apply:
NOTE: An abbreviation defined in the present document takes precedence over the definition of the same
abbreviation, if any, in ETSI GS NFV 003 [i.2].
CRM Compute Resource Management
DF Deployment Flavour
EM Element Manager
FM Fault Management
IFS Interoperability Features Statement
KPI Key Performance Indicator
MANO Management and Orchestration
NFV Network Function Virtualisation
NFVI NFV Infrastructure
NFVO NFV Orchestrator
NIC Network Interface Controller
NRM Network Resource Management
NS Network Service
NSD NS Descriptor
NUMA Non-Uniform Memory Access
PM Performance Management
RDMA Remote Direct Memory Access
SRM Storage Resource Management
SUT System Under Test
VIM Virtual Infrastructure Manager
VL Virtual Link
VLD VL Descriptor
VM Virtual Machine
VNF Virtual Network Functions
VNFC VNF Component
VNFD VNF Descriptor
VNFFG VNF Forwarding Graph
VNFFGD VNFFG Descriptor
VNFM VNF Manager
VR Virtual Resource
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10 ETSI GR NFV-TST 007 V3.1.1 (2022-05)
4 Interoperability Features Statement (IFS)
4.1 Introduction
This clause compiles the Interoperability Features Statement (IFS) for VIM, VNFM, EM/VNF and NFVO according to
clause 4.3.3 of ETSI GS NFV-TST 002 [i.1] and following the example in ETSI GS NFV-TST 002 [i.1], annex A.
The interoperability feature statement identifier starts with a reference to the relevant functional block that produces or
consumes the interface:
• IDs starting with "VIM_" designate features on interfaces produced or consumed by the VIM.
• IDs starting with "VNFM_" designate features on interfaces produced or consumed by the VNFM.
• IDs starting with "NFVO_" designate features on interfaces produced or consumed by the NFVO.
• IDs starting with "EM_" designate features on interfaces produced or consumed by the EM/VNF.
The purpose of the Interoperable Features Statement (IFS) is to identify those standardized functions which a FUT
supports, including those which are optional and those which are conditional on the support of other functions.
Supported interoperability feature statements should be indicated by Y in the Support column (or N if not supported).
The Details column can be used to add further support details when necessary.
4.2 IFS for VIM
4.2.1 Software Image Management
Table 4.2.1-1
Functional Block VIM
Functional Area Software Image Management
Observed Reference Point Or-Vi
Observed Interface
Software Image Management
Producer/Consumer
Producer
References ETSI GS NFV-IFA 005 [i.3]
Interoperability Features
Id Feature Status Support Details
VIM supports software image
VIM_SWIM_QUERY_IM_BY_NFVO M
information queries by the NFVO
VIM supports "add image" operations
VIM_SWIM_ADD_IM M
by the NFVO
VIM supports "update image"
VIM_SWIM_UPDATE_IM M
operations by the NFVO
VIM supports "delete image"
VIM_SWIM_DELETE_IM M
operations by the NFVO
Table 4.2.1-2
Functional Block VIM
Functional Area Software Image Management
Observed Reference Point Vi-Vnfm
Observed Interface Software Image Management
Producer/Consumer Producer
References
ETSI GS NFV-IFA 006 [i.4]
Interoperability Features
Id Feature Status Support Details
VIM supports software image
VIM_SWIM_QUERY_IM_BY_VNFM M
information queries by the VNFM

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11 ETSI GR NFV-TST 007 V3.1.1 (2022-05)
4.2.2 VNF Package Management
No IFS needed for VNF Package Management on the VIM.
4.2.3 VNF Lifecycle Management
Table 4.2.3-1
Functional Block
VIM
Functional Area VNF Lifecycle Management
Observed Reference Point Vi-Vnfm
Observed Interface Virtualised Compute Resource Management
Producer/Consumer Producer
References ETSI GS NFV-IFA 006 [i.4]
Interoperability Features
Id Feature Status Support Details
VIM supports "allocate compute
VIM_CRM_ALLOCATE_BY_VNFM resource" operation requests from the M
VNFM
VIM can send compute resource
VIM_CRM_INFO_TO_VNFM M
information to the VNFM
VIM supports "operate compute
VIM_CRM_OPERATE_BY_VNFM resource" operation requests from the M
VNFM
VIM supports "terminate compute
VIM_CRM_TERMINATE_BY_VNFM resource" operation requests from the M
VNFM
Table 4.2.3-2
Functional Block
VIM
Functional Area Network Resource Management
Observed Reference Point Vi-Vnfm
Observed Interface Virtualised Network Resource Management
Producer/Consumer Producer
References ETSI GS NFV-IFA 006 [i.4]
Interoperability Features
Id Feature Status Support Details
VIM supports "allocate network
VIM_NRM_ALLOCATE_BY_VNFM resource" operation requests from M
the VNFM
VIM can send network resource
VIM_NRM_INFO_TO_VNFM M
information to the VNFM
VIM supports "terminate network
VIM_NRM_TERMINATE_BY_VNFM resource" operation requests from M
the VNFM
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12 ETSI GR NFV-TST 007 V3.1.1 (2022-05)
Table 4.2.3-3
Functional Block
VIM
Functional Area
VNF Lifecycle Management
Observed Reference Point Vi-Vnfm
Observed Interface Virtualised Storage Resource Management
Producer/Consumer Producer
References ETSI GS NFV-IFA 006 [i.4]
Interoperability Features
Id Feature Status Support Details
VIM supports "allocate storage
VIM_SRM_ALLOCATE_BY
...