ETSI GR NFV-IFA 023 V3.1

1 ETSI GR NFV-IFA 023 (2017-07) Network Functions Virtualisation (NFV); Management and Orchestration; Report on Policy Management in MANO; Release 3 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. GROUP REPORT ETSI ETSI GR NFV-IFA 023 (2017-07) 2 Reference DGR/NFV-IFA023 Keywords MANO, NFV, policy management ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistr e la Sous-Pr fecture de Grasse (06) N 7803/88 Important notice The present document can be downloaded from: The present document may be made available in electronic versions and/or in print.

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4 5 Foreword .. 5 Modal verbs terminology .. 5 1 Scope .. 6 2 References .. 6 Normative references .. 6 Informative references .. 6 3 Definitions and abbreviations .. 7 Definitions .. 7 Abbreviations .. 7 4 Background and Overview .. 7 5 Use cases .. 8 General .. 8 Policy creation and transfer .. 8 Use case 8 Actors and conditions .. 8 Base flow .. 9 Policy deletion.

5 9 Use case 9 Actors and conditions .. 9 Base flow .. 10 Policy update .. 10 Use case 10 Actors and conditions .. 10 Base flow .. 10 Policy 11 Use case 11 Actors and conditions .. 11 Base flow .. 11 Policy activation .. 11 Use case 11 Actors and conditions .. 12 Base flow .. 12 Policy deactivation .. 12 Use case 12 Actors and conditions .. 12 Base flow.

6 13 NFV MANO specific policy management use 13 Overview .. 13 Granting policy in VNF lifecycle management operation .. 13 Use case description .. 13 Optimization of NFVI-PoPs resource utilization .. 14 Use case description .. 14 Actors and roles .. 16 Base flow .. 16 Transferring NS healing policy to the NFVO .. 17 Use case description .. 17 Auto-scaling policy pre-defined in the VNFD .. 17 Use case description .. 17 Associating VNF LCM policies with VNF instances .. 18 Use case description .. 18 Disassociating VNF LCM policies from VNF instances.

7 18 Use case description .. 18 Policy conflict detection in the PF .. 19 ETSI ETSI GR NFV-IFA 023 (2017-07) 4 Use case description .. 19 Policy conflict detection in the PAP .. 19 Use case description .. 19 Enforcement among multi-layer polices .. 20 Use case description .. 20 Transferring VNF healing policy from the EM .. 20 Use case description .. 20 Transferring virtualized resource allocation policy for the VIM .. 21 Use case description .. 21 Distribution of energy efficiency policies .. 21 Use case description .. 21 Recommendations .. 22 Overview.

8 22 General recommendations .. 22 Recommendations for policy lifecycle management .. 23 6 Key issue analysis .. 25 Key Issue 1: Mapping of PAP and PF to MANO functional blocks .. 25 Overview .. 25 Mapping the PF to the NFVO and the PAP to the OSS/BSS .. 25 Mapping the PF to the VNFM and the PAP to the NFVO and/or the EM .. 25 Mapping the PF to the VIM and the PAP to the NFVO or VNFM .. 26 Summary of PAP mapping .. 26 Key Issue 2: Categorizing policies in MANO architecture .. 26 Overview .. 26 MANO policy categories .. 26 Key Issue 3: Principles on information modelling of MANO 27 Overview.

9 27 Lessons learnt from other work .. 27 Principles on MANO policy information modelling .. 28 7 Architectural options .. 29 Introduction .. 29 Architectural option #1: Managing policies by using existing MANO reference points .. 29 Overview .. 29 Managing MANO policies using Os-Ma-nfvo .. 29 Managing MANO policies using Or-Vnfm .. 29 Managing MANO policies using 30 Managing MANO policies using Ve-Vnfm .. 30 Managing MANO policies using Vi-Vnfm .. 31 Impact on MANO Architecture .. 31 Introduction .. 31 Policy conflict avoidance .. 31 Policy conflict detection and resolution.

10 31 Summary .. 32 Analysis .. 32 8 Recommendations .. 33 Annex A: Authors & contributors .. 34 History .. 35 ETSI ETSI GR NFV-IFA 023 (2017-07) 5 Intellectual Property Rights Essential patents IPRs essential or potentially essential to the present document 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.