ETSI GR NFV-IFA 021-2018 Network Functions Virtualisation (NFV) Release 3 Management and Orchestration Report on management of NFV-MANO and automated deployment of EM and other OSS.pdf

1、 ETSI GR NFV-IFA 021 V3.1.1 (2018-01) Network Functions Virtualisation (NFV) Release 3; Management and Orchestration; Report on management of NFV-MANO and automated deployment of EM and other OSS functions Disclaimer The present document has been produced and approved by the Network Functions Virtua

2、lisation (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 021 V3.1.1 (2018-01) 2 Reference DGR/NFV-IFA021 Keywords managem

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9、SI registered for the benefit of its Members and of the 3GPP Organizational Partners. oneM2M logo is protected for the benefit of its Members. GSM and the GSM logo are trademarks registered and owned by the GSM Association. ETSI ETSI GR NFV-IFA 021 V3.1.1 (2018-01) 3 Contents Intellectual Property R

10、ights 6g3Foreword . 6g3Modal verbs terminology 6g31 Scope 7g32 References 7g32.1 Normative references . 7g32.2 Informative references 7g33 Definitions and abbreviations . 8g33.1 Definitions 8g33.2 Abbreviations . 8g34 Overview of management functions . 9g34.1 Introduction 9g34.2 Overview of NFV-MANO

11、 functions 9g34.3 Overview of EM and OSS functions for managing specific VNF or NS . 9g35 Use case 10g35.1 Use cases with focus on management of NFV-MANO functions 10g35.1.1 Monitoring of NFV-MANO functional entity failures . 10g35.1.1.1 Introduction and goal 10g35.1.1.2 Actors and roles 11g35.1.1.3

12、 Pre-conditions . 11g35.1.1.4 Post-conditions 11g35.1.1.5 Flow description 11g35.1.2 Collection of performance data from NFV-MANO functional entity 12g35.1.2.1 Introduction and goal 12g35.1.2.2 Actors and roles 12g35.1.2.3 Pre-conditions . 12g35.1.2.4 Post-conditions 13g35.1.2.5 Flow description 13g

13、35.1.3 Performance alarm monitoring from NFV-MANO functional entity . 13g35.1.3.1 Introduction and goal 13g35.1.3.2 Actors and roles 14g35.1.3.3 Pre-conditions . 14g35.1.3.4 Post-conditions 14g35.1.3.5 Flow description 14g35.1.4 Informing about NFV-MANO functional entity maintenance 15g35.1.4.1 Intr

14、oduction and goal 15g35.1.4.2 Actors and roles 15g35.1.4.3 Pre-conditions . 16g35.1.4.4 Post-conditions 16g35.1.4.5 Flow description 16g35.1.5 Adding an NFV-MANO functional entity 16g35.1.5.1 Introduction and goal 16g35.1.5.2 Actors and roles 17g35.1.5.3 Pre-conditions . 17g35.1.5.4 Post-conditions

15、17g35.1.5.5 Flow description 17g35.1.6 Removing an NFV-MANO functional entity . 18g35.1.6.1 Introduction and goal 18g35.1.6.2 Actors and roles 18g35.1.6.3 Pre-conditions . 18g35.1.6.4 Post-conditions 19g35.1.6.5 Flow description 19g35.1.7 Information retrieval and capability discovery from NFV-MANO

16、functional entity . 19g35.1.7.1 Introduction and goal 19g3ETSI ETSI GR NFV-IFA 021 V3.1.1 (2018-01) 4 5.1.7.2 Actors and roles 20g35.1.7.3 Pre-conditions . 20g35.1.7.4 Post-conditions 21g35.1.7.5 Flow description 21g35.1.8 Notifying about changes of an NFV-MANO functional entity capabilities 21g35.1

17、.8.1 Introduction and goal 21g35.1.8.2 Actors and roles 22g35.1.8.3 Pre-conditions . 22g35.1.8.4 Post-conditions 22g35.1.8.5 Flow description 22g35.1.9 Operating an NFV-MANO functional entity and notification of state changes 23g35.1.9.1 Introduction and goal 23g35.1.9.2 Actors and roles 23g35.1.9.3

18、 Pre-conditions . 23g35.1.9.4 Post-conditions 24g35.1.9.5 Flow description 24g35.1.10 Logging in NFV-MANO to support root-cause analysis 24g35.1.10.1 Introduction and goal 24g35.1.10.2 Actors and roles 25g35.1.10.3 Pre-conditions . 25g35.1.10.4 Post-conditions 25g35.1.10.5 Flow description 26g35.2 U

19、se cases with focus on automated deployment of EM and OSS functions specific for managing certain VNF or NS . 26g35.2.1 Automated EM deployment 26g35.2.1.1 Introduction and goal 26g35.2.1.2 Actors and roles 26g35.2.1.3 Pre-conditions . 27g35.2.1.4 Post-conditions 27g35.2.1.5 Flow description 27g35.2

20、.2 Deployment of virtualised EM as a VNF 27g35.2.2.1 Introduction and goal 27g35.2.2.2 Actors and roles 28g35.2.2.3 Pre-conditions . 28g35.2.2.4 Post-conditions 28g35.2.2.5 Flow description 28g35.2.3 Deployment of EM internal to the VNF . 29g35.2.3.1 Introduction and goal 29g35.2.3.2 Actors and role

21、s 29g35.2.3.3 Pre-conditions . 29g35.2.3.4 Post-conditions 29g35.2.3.5 Flow description 30g36 Use Case analysis and derivation of patterns . 30g36.1 Introduction 30g36.2 Analysis of use cases with a focus on management of NFV-MANO functions . 30g36.2.1 Types of management functionality 30g36.2.2 Gra

22、nularity of fault and performance monitoring . 32g36.3 Analysis of use cases with a focus on automated deployment of EM and OSS functions specific for managing certain VNF or NS . 32g36.3.1 Analysis of use cases with a focus on automated deployment of EM 32g37 Framework and potential solutions 32g37

23、.1 Potential solutions 32g37.1.1 Solution A: NFV-MANO functional entity capabilities and information modelling 32g37.1.1.1 Introduction . 32g37.1.1.2 Types of information about an NFV-MANO functional entity . 33g37.1.1.3 NFV-MANO functional entity information modelling . 33g37.1.2 Solution B: Types

24、of failure and alarm modelling for NFV-MANO functional entity fault monitoring. 34g37.1.2.1 Types of failure for NFV-MANO functional entity fault monitoring . 34g37.1.2.2 Fault reporting information modelling 35g3ETSI ETSI GR NFV-IFA 021 V3.1.1 (2018-01) 5 7.1.3 Solution C: Performance metrics defin

25、ition for NFV-MANO functional entity performance monitoring. 35g37.1.3.1 Types of performance metrics for NFV-MANO functional entity performance monitoring 35g37.1.3.2 Performance reporting information modelling 36g37.1.4 Solution D: External entity consuming interfaces for management of an NFV-MANO

26、 functional entity . 36g37.1.4.1 Introduction and objective . 36g37.1.4.2 Framework 36g37.1.5 Solution E: NFV-MANO functional entity consuming interfaces for management of another NFV-MANO functional entity . 37g37.1.5.1 Introduction and objective . 37g37.1.5.2 Framework 37g37.1.5.3 Interfaces consu

27、mption . 38g37.1.6 Solution F: Interfaces for management of NFV-MANO functional entity . 38g37.1.6.1 Introduction and objective . 38g37.1.6.2 Set of interfaces . 39g37.1.6.3 NFV-MANO Fault Management interface . 39g37.1.6.3.1 Description 39g37.1.6.3.2 Operations . 39g37.1.6.4 NFV-MANO Performance Ma

28、nagement interface . 39g37.1.6.4.1 Description 39g37.1.6.4.2 Operations . 40g37.1.6.5 NFV-MANO Configuration and Information Management interface . 40g37.1.6.5.1 Description 40g37.1.6.5.2 Operations . 40g37.1.6.6 NFV-MANO State Management interface 41g37.1.6.6.1 Description 41g37.1.6.6.2 Operations

29、. 41g37.1.6.7 NFV-MANO Log Management interface . 41g37.1.6.7.1 Description 41g37.1.6.7.2 Operations . 41g37.1.7 Solution G: Deployment of EM generic for VNF instances . 42g37.1.7.1 Introduction . 42g37.1.7.2 Description 42g37.1.8 Solution H: Deployment of EM internal to VNF 43g37.1.8.1 Introduction

30、 . 43g37.1.8.2 EM deployed as VNFC . 43g37.1.8.2.1 Description 43g37.1.8.2.2 Extensions . 43g37.1.9 Solution I: Deployment of EM specific for VNF instances 44g37.1.9.1 Introduction . 44g37.1.9.2 Description 44g37.1.9.3 Extensions . 45g38 Recommendations 45g38.1 Overview 45g38.2 Recommendations relat

31、ed to architecture and framework aspects . 45g38.3 Recommendations related to functional aspects . 46g38.4 Recommendations related to reference points and/or interfaces 47g38.5 Recommendations related to descriptors and other information/data model artifacts 49g38.6 Recommendations related to VNF Pa

32、ckages 50g38.7 Recommendations related to Security 50g39 Conclusion 51g3Annex A: Security and Regulatory Concerns 52g3A.1 Risk analysis and assessment . 52g3Annex B: Authors Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Sec

33、retariat. 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

34、 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 bein

35、g 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 Report (GR) has

36、 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 Ru

37、les (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI GR NFV-IFA 021 V3.1.1 (2018-01) 7 1 Scope The present document reports on: - management aspects (update, configuration, etc.) of NFV-MANO fun

38、ctions, and - the automated deployment of Element Management (EM) and Operations Support Systems (OSS) functions specific for managing certain VNF or NS. Recommendations for the normative work to support the framework and potential solutions are also provided in the present document. The basis for t

39、he report is the NFV Architectural Framework from ETSI GS NFV 002 i.1 and NFV-MANO Architectural Framework from ETSI GS NFV-MAN 001 i.2. 2 References 2.1 Normative references Normative references are not applicable in the present document. 2.2 Informative references References are either specific (i

40、dentified 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 th

41、is 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 002 (V1.2.1): “Network

42、Functions Virtualisation (NFV); Architectural Framework“. i.2 ETSI GS NFV-MAN 001 (V1.1.1): “Network Functions Virtualisation (NFV); Management and Orchestration“. i.3 ETSI GS NFV 003 (V1.2.1): “Network Functions Virtualisation (NFV); Terminology for Main Concepts in NFV“. i.4 ETSI GS NFV-IFA 010 (V

43、2.1.1): “Network Functions Virtualisation (NFV); Management and Orchestration; Functional requirements specification“. i.5 Recommendation ITU-T X.733: “Information technology - Open Systems Interconnection -Systems management: alarm reporting function“. i.6 ETSI GS NFV-IFA 011 (V2.1.1): “Network Fun

44、ctions Virtualisation (NFV); Management and Orchestration; VNF Packaging Specification“. i.7 ETSI GS NFV-IFA 007 (V2.1.1): “Network Functions Virtualisation (NFV); Management and Orchestration; Or-Vnfm reference point - Interface and Information Model Specification“. i.8 ETSI GS NFV-IFA 005 (V2.1.1)

45、: “Network Functions Virtualisation (NFV); Management and Orchestration; Or-Vi reference point - Interface and Information Model Specification“. i.9 ETSI GS NFV-IFA 006 (V2.1.1): “Network Functions Virtualisation (NFV); Management and Orchestration; Vi-Vnfm reference point - Interface and Informatio

46、n Model Specification“. ETSI ETSI GR NFV-IFA 021 V3.1.1 (2018-01) 8 i.10 ETSI GS NFV-IFA 008 (V2.1.1): “Network Functions Virtualisation (NFV); Management and Orchestration; Ve-Vnfm reference point - Interface and Information Model Specification“. i.11 ETSI GS NFV-IFA 013 (V2.1.1): “Network Function

47、s Virtualisation (NFV); Management and Orchestration; Os-Ma-nfvo reference point - Interface and Information Model Specification“. i.12 ETSI GS NFV-SEC 012 (V3.1.1): “Network Functions Virtualisation (NFV) Release 3; Security; System architecture specification for execution of sensitive NFV componen

48、ts“. i.13 ETSI GS NFV-SEC 006 (V1.1.1): “Network Functions Virtualisation (NFV); Security Guide; Report on Security Aspects and Regulatory Concerns“. i.14 ETSI GS NFV-SEC 004 (V1.1.1): “Network Functions Virtualisation (NFV); NFV Security; Privacy and Regulation; Report on Lawful Interception Implic

49、ations“. i.15 ETSI GS NFV-SEC 010 (V1.1.1): “Network Functions Virtualisation (NFV); NFV Security; Report on Retained Data problem statement and requirements“. i.16 ETSI GS NFV-REL 006 (V3.1.1): “Network Functions Virtualisation (NFV) Release 3; Reliability; Maintaining Service Availability and Continuity Upon Software Modification“. 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given in ETSI GS NFV 003 i.3 and the following apply. A term defined in the present document