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    ETSI GS NFV-IFA 014-2017 Network Functions Virtualisation (NFV) Release 2 Management and Orchestration Network Service Templates Specification (V2 3 1).pdf

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    ETSI GS NFV-IFA 014-2017 Network Functions Virtualisation (NFV) Release 2 Management and Orchestration Network Service Templates Specification (V2 3 1).pdf

    1、 ETSI GS NFV-IFA 014 V2.3.1 (2017-08) Network Functions Virtualisation (NFV) Release 2; Management and Orchestration; Network Service Templates Specification Disclaimer The present document has been produced and approved by the Network Functions Virtualisation (NFV) ETSI Industry Specification Group

    2、 (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 SPECIFICATION ETSI ETSI GS NFV-IFA 014 V2.3.1 (2017-08) 2 Reference RGS/NFV-IFA014ed231 Keywords MANO, network, NFV, service, virtualisation

    3、 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 enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present document can be downloaded from: h

    4、ttp:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any existing or perceive

    5、d difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision

    6、 or change of status. Information on the current status of this and other ETSI documents is available at https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in the present document, please send your comment to one of the following services: https:/portal.etsi.org/People/CommiteeS

    7、upportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm except as authorized by written permission of ETSI. The content of the PDF version shall not be modified without the written autho

    8、rization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. ETSI 2017. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are trademarks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are trademarks of ETSI registered for the b

    9、enefit 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 GS NFV-IFA 014 V2.3.1 (2017-08) 3 Contents Intellectual Property Rights 6g3Foreword . 6g3

    10、Modal 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 8g34.1 Network Service Descriptions 8g34.2 Relation to other ETSI NFV Group Specifications 10g34

    11、.3 Conventions 10g35 Functional requirements . 11g35.1 Void 11g35.2 Network Service Descriptor . 11g35.3 Network Service Deployment Flavour . 12g35.4 VNF Forwarding Graph Descriptor 12g35.5 Virtual Link Descriptor 13g35.6 Physical Network Function Descriptor. 13g36 Descriptors formats and contents .

    12、 14g36.1 Void 14g36.2 Information elements related to the Network Service Descriptor 14g36.2.1 Introduction. 14g36.2.2 Network Service Descriptor information element 14g36.2.2.1 Description 14g36.2.2.2 Attributes . 14g36.2.3 Sapd information element . 15g36.2.3.1 Description 15g36.2.3.2 Attributes .

    13、 15g36.2.4 Void 16g36.2.5 SecurityParameters information element 16g36.2.5.1 Description 16g36.2.5.2 Attributes . 16g36.2.6 MonitoredData 16g36.2.6.1 Description 16g36.2.6.2 Attributes . 16g36.2.7 VnfIndicatorData 17g36.2.7.1 Description 17g36.2.7.2 Attributes . 17g36.2.8 MonitoringParameter 17g36.2

    14、.8.1 Description 17g36.2.8.2 Attributes . 17g36.2.9 LifeCycleManagementScript 18g36.2.9.1 Description 18g36.2.9.2 Attributes . 18g36.3 Information elements related to the Network Service Deployment Flavour 18g36.3.1 Introduction. 18g36.3.2 NsDf information element 18g36.3.2.1 Description 18g36.3.2.2

    15、 Attributes . 19g36.3.3 VnfProfile information element 19g3ETSI ETSI GS NFV-IFA 014 V2.3.1 (2017-08) 4 6.3.3.1 Description 19g36.3.3.2 Attributes . 20g36.3.4 VirtualLinkProfile information element . 20g36.3.4.1 Description 20g36.3.4.2 Attributes . 20g36.3.5 AffinityOrAntiAffinityGroup information el

    16、ement 21g36.3.5.1 Description 21g36.3.5.2 Attributes . 21g36.3.6 PnfProfile information element . 22g36.3.6.1 Description 22g36.3.6.2 Attributes . 22g36.3.7 NsVirtualLinkConnectivity information element . 22g36.3.7.1 Description 22g36.3.7.2 Attributes . 22g36.3.8 LocalAffinityOrAntiAffinityRule info

    17、rmation element 22g36.3.8.1 Description 22g36.3.8.2 Attributes . 23g36.3.9 NsLevel information element . 23g36.3.9.1 Description 23g36.3.9.2 Attributes . 23g36.3.10 NsScaleInfo information element . 24g36.3.10.1 Description 24g36.3.10.2 Attributes . 24g36.3.11 NsProfile information element 24g36.3.1

    18、1.1 Description 24g36.3.11.2 Attributes . 24g36.3.12 Dependencies information element . 25g36.3.12.1 Description 25g36.3.12.2 Attributes . 25g36.4 Information elements related to the VNF Forwarding Graph Descriptor . 25g36.4.1 Introduction. 25g36.4.2 Vnffgd information element . 25g36.4.2.1 Descript

    19、ion 25g36.4.2.2 Attributes . 25g36.4.3 Nfpd information element . 26g36.4.3.1 Description 26g36.4.3.2 Attributes . 26g36.4.4 CpdPool information element . 26g36.4.4.1 Description 26g36.4.4.2 Attributes . 27g36.5 Information elements related to the Network Service Virtual Link Descriptor 27g36.5.1 In

    20、troduction. 27g36.5.2 NsVirtualLinkDesc information element 27g36.5.2.1 Description 27g36.5.2.2 Attributes . 27g36.5.3 ConnectivityType information element 28g36.5.3.1 Description 28g36.5.3.2 Attributes . 28g36.5.4 VirtualLinkDf information element 28g36.5.4.1 Description 28g36.5.4.2 Attributes . 28

    21、g36.5.5 LinkBitrateRequirements information element. 28g36.5.5.1 Description 28g36.5.5.2 Attributes . 28g36.5.6 QoS information element 29g36.5.6.1 Description 29g36.5.6.2 Attributes . 29g36.6 Information elements related to the PNFD . 29g36.6.1 Introduction. 29g36.6.2 Pnfd information element . 29g

    22、36.6.2.1 Description 29g36.6.2.2 Attributes . 29g3ETSI ETSI GS NFV-IFA 014 V2.3.1 (2017-08) 5 6.6.3 Cpd information element 30g36.6.3.1 Description 30g36.6.3.2 Attributes . 30g36.6.4 PnfExtCpd information element . 30g36.6.4.1 Description 30g36.6.4.2 Attributes . 31g36.7 Information elements related

    23、 to scaling 31g36.7.1 Introduction. 31g36.7.2 NsScalingAspect information element 31g36.7.2.1 Description 31g36.7.2.2 Attributes . 31g36.7.3 Void 31g36.7.4 VnfToLevelMapping information element . 31g36.7.4.1 Description 31g36.7.4.2 Attributes . 32g36.7.5 VirtualLinkToLevelMapping information element

    24、 32g36.7.5.1 Description 32g36.7.5.2 Attributes . 32g36.7.6 NsToLevelMapping information element . 32g36.7.6.1 Description 32g36.7.6.2 Attributes . 33g3Annex A (informative): Authors Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the

    25、 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 th

    26、e 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 indicate

    27、d 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 Specif

    28、ication (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

    29、 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 ETSI GS NFV-IFA 014 V2.3.1 (2017-08) 7 1 Scope The present document specifies requirements and templates for

    30、 describing Network Functions Virtualisation (NFV) Network Services (NSs) in the form of meta-data. 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 cite

    31、d 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 https:/docbox.etsi.org/Reference. NOTE: While any hyperlinks

    32、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 present document. 1 ETSI GS NFV 003: “Network Functions Virtualisation (NFV); Terminology for Main Concepts in NF

    33、V“. 2 ETSI GS NFV-IFA 011: “Network Functions Virtualisation (NFV); Management and Orchestration; VNF Packaging Specification“. 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 referenc

    34、es, 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 r

    35、eferenced 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: “Network Functions Virtualisation (NFV); Architectural Framework“. i.2 ETSI GS NFV-IFA 013: “Network Functions Virtualisation (NFV

    36、); Management and Orchestration; Os-Ma-Nfvo reference point - Interface and Information Model Specification“. i.3 ETSI GS NFV-SWA 001: “Network Functions Virtualisation (NFV); Virtual Network Functions Architecture“. i.4 ISO/IEC 9646-7: “Information technology - Open Systems Interconnection - Confor

    37、mance testing methodology and framework - Part 7: Implementation Conformance Statements“. i.5 ETSI GN NFV-REL 001: “Network Functions Virtualisation (NFV); Resiliency Requirements“. ETSI ETSI GS NFV-IFA 014 V2.3.1 (2017-08) 8 3 Definitions and abbreviations 3.1 Definitions For the purposes of the pr

    38、esent document, the terms and definitions given in ETSI GS NFV 003 1 and the following apply: Service Access Point (SAP): connection point where a NS can be accessed NOTE: A SAP can either provide access to an NS, e.g. to an end-user, or interconnect different NS. 3.2 Abbreviations For the purposes

    39、of the present document, the abbreviations given in ETSI GS NFV 003 1 and the following apply: CDN Content Delivery Network CM Conditional MandatoryCO Conditional Optional CP Connection PointCPD Connection Point Descriptor DF Deployment Flavour DSL Domain Specific Language E-LAN Ethernet Local Area

    40、Network GS Group Specification IPV4 Internet Protocol Version 4 IPV6 Internet Protocol Version 6 LAN Local Area Network MANO Management and Orchestration MPLS MultiProtocol Label Switching NCT Network Connectivity Topology NFP Network Forwarding Path NFPD Network Forwarding Path Descriptor NS Networ

    41、k Service NSD Network Service Descriptor ODU2 Optical channel Data Unit - type 2 PM Performance Management PNFD Physical Network Function Descriptor SAP Service Access Point SAPD Service Access Point Descriptor UML Unified Modelling Language VL Virtual Link VLD Virtual Link Descriptor VNFFG VNF Forw

    42、arding Graph VNFFGD VNF Forwarding Graph Descriptor XOR eXclusive OR 4 Overview 4.1 Network Service Descriptions The Network Service Descriptor (NSD) is a deployment template which consists of information used by the NFV Orchestrator (NFVO) for life cycle management of an NS. ETSI ETSI GS NFV-IFA 01

    43、4 V2.3.1 (2017-08) 9 An NS is a composition of Network Functions (NF) arranged as a set of functions with unspecified connectivity between them or according to one or more forwarding graphs. As illustrated in figure 4.1-1, the description of a NS as used by the NFV Management and Orchestration (MANO

    44、) functions to deploy an NS instance includes or references the descriptors of its constituent objects: Zero, one or more Virtualised Network Function Descriptors (VNFD); Zero, one or more Physical Network Function Descriptors (PNFD) used by the NFVO to determine how to connect PNFs to VLs; Zero, on

    45、e or more nested NSD; NOTE 1: The information contained within the PNFD is limited to the description of the connectivity requirements to integrate PNFs in an NS. NOTE 2: An NSD references at least either one VNFD or one nested NSD. Zero, one or more Virtual Link Descriptors (VLD) used by the NFVO t

    46、o deploy Virtual Links (VL); and Zero, one or more VNF Forwarding Graph Descriptors (VNFFGD). A VNF Forwarding Graph Descriptor (VNFFGD) describes a topology of the NS or a portion of the NS, by referencing a pool of connection points and service access points, the descriptors of its constituent VNF

    47、s, PNFs and of the VLs that connect them. It may also contain one or more Network Forwarding Path (NFP) descriptors. NOTE 3: Different VNFFGDs can be contained in a given NSD. Each VNFFGD uses subsets of the lists of VLDs, VNFDs and PNFDs included in the NSD. NOTE 4: For a given NS different VNFFGs

    48、can result in packets/frames traversing identical sequences of (V)NFs, depending on the NFP descriptors included in the VNFFGDs. NOTE 5: In a given VNFFG the connectivity topology represents how the (V)NFs among which packets/frames can be exchanged are connected to each other. A Network Connectivit

    49、y Topology (NCT), as defined in ETSI GS NFV-SWA 001 i.3 represents a higher logical level connectivity, possibly a global view of combined connectivity from different VNFFGs of a given NS. Figure 4.1-1: NSD overview ETSI ETSI GS NFV-IFA 014 V2.3.1 (2017-08) 10 4.2 Relation to other ETSI NFV Group Specifications The concepts of network services and forwarding graphs are described in ETSI GS NFV 002 i.1. Instances of objects created according to the templates specified in the present document are exchanged at the Os-Ma-Nfvo reference point as spe


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