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GROUP SPECIFICATION
Network Functions Virtualisation (NFV) Release 2;
Management and Orchestration;
Functional requirements specification
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.
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2 ETSI GS NFV-IFA 010 V2.5.1 (2018-08)
Reference
RGS/NFV-IFA010ed251
Keywords
functional, management, MANO, NFV,
orchestration, requirements, virtualisation
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3 ETSI GS NFV-IFA 010 V2.5.1 (2018-08)
Contents
Intellectual Property Rights . 6
Foreword . 6
Modal verbs terminology . 6
1 Scope . 7
2 References . 7
2.1 Normative references . 7
2.2 Informative references . 7
3 Definitions and abbreviations . 8
3.1 Definitions . 8
3.2 Abbreviations . 8
4 General Description . 9
4.1 Introduction . 9
4.2 Overview . 9
5 General functional requirements . 10
5.1 General functional requirements for virtualised resource management . 10
5.2 General functional requirements for multi-tenancy . 11
6 Functional requirements for NFVO . 13
6.1 Functional requirements for virtualised resource management . 13
6.1.1 Functional requirements for general virtualised resource management . 13
6.1.2 Functional requirements for VNF-related resource management in indirect mode . 13
6.1.3 Functional requirements for VNF-related resource management in direct mode . 13
6.1.4 Functional requirements for NS-related resource management performed by the NFVO . 14
6.1.5 Functional requirements for resource reservation management. 14
6.1.6 Functional requirements for virtualised resource capacity management . 15
6.1.7 Functional requirements for virtualised resource performance management . 15
6.1.8 Functional requirements for virtualised resource fault management . 16
6.1.9 Functional requirements for virtualised resource information management . 16
6.1.10 Functional requirements for Network Forwarding Path (NFP) management . 16
6.1.11 Functional requirements for quota management . 17
6.1.12 Functional requirements related to permitted allowance management . 17
6.2 Functional requirements for VNF lifecycle ma nage me nt . 18
6.2.1 Functional requirements for VNF lifecycle management . 18
6.2.2 Functional requirements for VNF instantiation . 18
6.2.3 Functional requirements for VNF scaling . 18
6.2.4 Functional requirements for VNF termination . 19
6.3 Functional requirements for NS lifecycle management . 19
6.3.1 Functional requirements for NS lifecycle management . 19
6.3.2 Functional requirements for NS instantiation . 19
6.3.3 Functional requirements for NS scaling . 20
6.3.4 Functional requirements for NS updating . 20
6.3.5 Functional requirements for NS termination. 20
6.4 Functional requirements for VNF configuration management . 21
6.5 Functional requirements for VNF information management. 21
6.5.1 Functional requirements for VNF Package management . 21
6.5.2 Functional requirements for VNF instance information management . 21
6.6 Functional requirements for NS information management . 22
6.6.1 Functional requirements for NSD management . 22
6.6.2 Functional requirements for NS instance information management . 22
6.6.3 Functional requirements for PNF Descriptor (PNFD) management . 22
6.7 Functional requirements for NS performance management . 22
6.8 Functional requirements for VNF fault management . 23
6.8.1 Functional requirements for virtualisation-related fault management . 23
6.9 Functional requirements for NS fault management . 23
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4 ETSI GS NFV-IFA 010 V2.5.1 (2018-08)
6.10 Functional requirements for infrastructure resource management . 23
6.11 Functional requirements for security consideration . 23
6.12 Functional requirements for software image management . 24
6.13 Functional requirements for NFV acceleration management . 24
6.14 Functional requirements for multi-tenancy . 25
7 Functional requirements for VNFM . 25
7.1 Functional requirements for virtualised resource management . 25
7.1.1 Functional requirements for virtualised resource management . 25
7.1.2 Functional requirements for VNF-related resource management in indirect mode . 26
7.1.3 Functional requirements for VNF-related resource management in direct mode . 26
7.1.4 Functional requirements for resource reservation management. 27
7.1.5 Functional requirements for virtualised resource performance management . 27
7.1.6 Functional requirements for virtualised resource fault management . 27
7.1.7 Functional requirements for virtualised resource information management . 27
7.1.8 Functional requirements for quota management . 28
7.1.9 Functional requirements related to permitted allowance management . 28
7.2 Functional requirements for VNF lifecycle ma nage me nt . 28
7.2.1 Functional requirements for VNF lifecycle management . 28
7.2.2 Functional requirements for VNF instantiation . 29
7.2.3 Functional requirements for VNF scaling . 29
7.2.4 Functional requirements for VNF termination . 30
7.3 Functional requirements for VNF configuration management . 30
7.4 Functional requirements for VNF information management. 30
7.4.1 Functional requirements for VNF Package management . 30
7.4.2 Functional requirements for VNF instance information management . 31
7.5 Functional requirements for VNF performance management . 31
7.6 Functional requirements for VNF fault management . 31
7.6.1 Functional requirements for virtualised resource-related VNF fault management . 31
7.6.2 Functional requirements for virtualisation-related fault management . 32
7.7 Functional requirements for security consideration . 32
7.8 Functional requirements for software image management . 32
7.9 Functional requirements for NFV acceleration management . 32
7.10 Functional requirements for multi-tenancy . 33
7.11 Functional requirements for VNF indicator management . 33
8 Functional requirements for VIM . 33
8.1 General considerations . 33
8.2 Functional requirements for virtualised resource management . 34
8.2.1 Functional requirements for virtualised resource management . 34
8.2.2 Functional requirements for resource reservation management. 34
8.2.3 Functional requirements for virtualised resource capacity management . 35
8.2.4 Functional requirements for virtualised resource performance management . 35
8.2.5 Functional requirements for virtualised resource fault management . 35
8.2.6 Functional requirements for virtualised resource information management . 36
8.2.7 Functional requirements for virtualised resource configuration management . 36
8.2.8 Functional requirements for NFP management . 36
8.2.9 Functional requirements for quota management . 37
8.3 Functional requirements for infrastructure resource management . 37
8.3.1 Functional requirements for infrastructure resource performance management . 37
8.3.2 Functional requirements for infrastructure resource fault management. 37
8.4 Functional requirements for security consideration . 38
8.5 Functional requirements for software image management . 38
8.6 Functional requirements for NFV acceleration management . 38
8.7 Functional requirements for multi-tenancy . 39
9 Architectural level Requirements . 39
9.1 General guidelines for NFV management and orchestration interface design . 39
9.2 General requirements to NFV management and orchestration interface design . 40
9.3 General requirements for NFV management and orchestration services . 40
9.4 General requirements for multi-tenancy . 40
Annex A (informative): Resource management additional information . 41
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5 ETSI GS NFV-IFA 010 V2.5.1 (2018-08)
A.1 Quota based resource management . 41
A.1.1 Overview . 41
A.1.2 Summary of key aspects . 41
A.1.3 Allocation of consumer identifiers . 42
A.1.4 Setting of quotas . 42
A.1.5 NFVO awareness of NFVI resource consumption . 42
A.1.6 NFVI resource acquisition . 42
A.1.7 Resource contention mitigation . 43
A.1.8 Data centre resource utilization efficiency . 43
A.1.9 Resource management evolution and interoperability. 43
A.1.10 Co-existence of resource quota enforcement and resource management with reservation . 43
A.2 Management of resource reservations . 43
A.2.1 Introduction . 43
A.2.2 Use cases . 43
A.2.2.1 Use case for securing resources for several tenants . 43
A.2.2.2 Use case for securing resources with detailed capabilities . 44
A.2.2.3 Use case for securing resources during NS instantiation . 44
A.2.2.4 Use case for securing resources during NS scaling . 44
A.2.2.5 Use case for securing resources related to a scheduled event . 44
A.2.3 Summary of key aspects . 44
A.2.4 Resource reservation management by NFVO . 45
A.2.5 Resource reservation handling by the VNFM . 46
A.2.6 Resource reservation contention mitigation . 46
A.2.7 Co-existence of reservation with quota . 46
A.2.8 Resource reservation types . 46
A.3 Management of permitted allowance . 47
A.3.1 Introduction . 47
A.3.2 Summary of key aspects . 47
A.3.3 Setting of permitted allowance . 47
A.3.4 Permitted allowance management by NFVO . 48
A.3.5 Permitted allowance awareness by the VN FM . 48
A.3.6 Permitted allowance contention mitigation . 48
A.3.7 Co-existence of permitted allowance and resource quota enforcement . 48
A.3.8 Co-existence of permitted allowance and resource management with reservation . 48
Annex B (informative): Virtualised resources capacity management . 49
B.1 Introduction . 49
B.2 Virtualised resources capacity information management by the VIM . 49
B.2.1 Functionality . 49
B.3 Virtualised resources capacity management by the NFVO . 49
B.3.1 Functionality . 49
Annex C (informative): VNF management . 51
C.1 Introduction . 51
C.2 Use cases . 51
C.2.1 Use case for stopping a VNF instance . 51
C.2.1.1 Introduction. 51
C.2.1.2 Steps. 51
C.2.2 Use case for starting a VNF instance. 52
C.2.2.1 Introduction. 52
C.2.2.2 Steps. 52
Annex D (informative): Authors & contributors . 53
History . 55
ETSI
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6 ETSI GS NFV-IFA 010 V2.5.1 (2018-08)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is 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 IPR Policy, no investigation, 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
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
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
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
Foreword
This Group Specification (GS) has been produced by ETSI Industry Specification Group (ISG) Network Functions
Virtualisation (NFV).
Modal verbs terminology
In the present document "shall", "shall not", "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
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7 ETSI GS NFV-IFA 010 V2.5.1 (2018-08)
1 Scope
The present document specifies functional requirements for NFV management and orchestration, and general guidelines
and requirements for NFV management and orchestration interface design.
The scope of the present document does not cover the functional requirements on interfaces.
2 References
2.1 Normative 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.
Referenced documents which are not found to be publicly available in the expected location might be found at
http://docbox.etsi.org/Reference.
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 necessary for the application of the pr
...