ETSI GR NFV 001-2017 Network Functions Virtualisation (NFV) Use Cases (V1 2 1).pdf

1、 ETSI GR NFV 001 V1.2.1 (2017-05) Network Functions Virtualisation (NFV); Use Cases 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

2、ISG. It does not necessarily represent the views of the entire ETSI membership. GROUP REPORT ETSI ETSI GR NFV 001 V1.2.1 (2017-05)2 Reference RGR/NFV-001ed121 Keywords NFV, use case 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 Sir

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8、cations Standards Institute 2017. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. oneM2M logo

9、 is protected for the benefit of its Members GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI GR NFV 001 V1.2.1 (2017-05)3 Contents Intellectual Property Rights 8g3Foreword . 8g3Modal verbs terminology 8g31 Scope 9g32 References 9g32.1 Normative references

10、. 9g32.2 Informative references 9g33 Abbreviations . 10g34 Overview 12g35 Roles . 13g36 Use Case #1: Network Function Virtualisation Infrastructure as a Service (NFVIaaS) 14g36.1 Motivation 14g36.2 Detailed User Story #1 - Compute Service Instantiation 17g36.2.1 Summary . 17g36.2.2 Actor(s). 17g36.2

11、.3 Pre-Conditions 17g36.2.4 Begins When . 17g36.2.5 Description 17g36.2.6 End When . 17g36.2.7 Post-Conditions . 17g36.2.8 Exceptions. 17g36.3 Detailed User Story #2 - Storage Service Instantiation 18g36.3.1 Summary . 18g36.3.2 Actor(s). 18g36.3.3 Pre-Conditions 18g36.3.4 Begins When . 18g36.3.5 Des

12、cription 18g36.3.6 End When . 18g36.3.7 Post-Conditions . 18g36.3.8 Exceptions. 18g36.4 Detailed User Story #3 - Network Service Instantiation 19g36.4.1 Summary . 19g36.4.2 Actor(s). 19g36.4.3 Pre-Conditions 19g36.4.4 Begins When . 19g36.4.5 Description 19g36.4.6 End When . 19g36.4.7 Post-Conditions

13、 . 19g36.4.8 Exceptions. 19g36.5 Virtualisation Target. 20g36.6 Coexistence of Virtualised and Non-Virtualised Network Functions 21g36.7 Problem description/Issues . 21g37 Use Case #2: VNF Forwarding Graphs 21g37.1 Motivation 21g37.2 Detailed User Story 22g37.2.1 Summary . 22g37.2.2 Actor(s). 25g37.

14、2.3 Pre-Conditions 25g37.2.4 Begins When . 25g37.2.5 Description 26g37.2.6 End When . 26g37.2.7 Post-Conditions . 26g3ETSI ETSI GR NFV 001 V1.2.1 (2017-05)4 7.2.8 Exceptions. 26g37.2.9 Virtualisation Target . 26g37.3 Coexistence of Virtualised and Non-Virtualised Network Functions 27g37.4 Problem de

15、scription/Issues . 27g38 Use Case #3: Virtualisation of Mobile Core Network and IMS. 28g38.1 Motivation 28g38.2 Detailed User Story 28g38.2.1 Summary . 28g38.2.2 Actor(s). 28g38.2.3 Pre-Conditions 29g38.2.4 Begins When . 29g38.2.5 Description 29g38.2.6 End When . 29g38.2.7 Post-Conditions . 29g38.2.

16、8 Exceptions. 29g38.2.9 Virtualisation Target . 29g38.3 Coexistence of Virtualised and Non-Virtualised Network Functions 29g38.4 Problem description/Issues . 31g39 Use Case #4: Virtualisation of Mobile base station . 32g39.1 Motivation 32g39.2 Detailed User Story 32g39.2.1 Summary . 32g39.2.2 Actor(

17、s). 32g39.2.3 Pre-Conditions 32g39.2.4 Begins When . 32g39.2.5 Description 33g39.2.6 End When . 33g39.2.7 Post-Conditions . 33g39.2.8 Exceptions. 33g39.2.9 Virtualisation Target . 33g39.3 Coexistence of Virtualised and Non-Virtualised Network Functions 34g39.4 Problem description/Issues . 34g310 Use

18、 Case #5: Virtualisation of the Home Environment . 35g310.1 Motivation 35g310.2 Detailed User Story 36g310.2.1 Summary . 36g310.2.2 Actor(s) . 37g310.2.3 Pre-Conditions 37g310.2.4 Begins When . 37g310.2.5 Description 38g310.2.6 End When . 38g310.2.7 Post-Conditions . 38g310.2.8 Exceptions. 38g310.2.

19、9 Virtualisation Target . 38g310.3 Coexistence of Virtualised and Non-Virtualised Network Functions 39g310.4 Problem description/Issues . 41g311 Use Case #6: Virtual Content Delivery Network (vCDN) - Fulfilment . 42g311.1 Motivation 42g311.2 Detailed User Story 43g311.2.1 Summary . 43g311.2.2 Actor(

20、s) . 43g311.2.3 Pre-Conditions 44g311.2.4 Begins When . 44g311.2.5 Description 44g311.2.6 End When . 45g311.2.7 Post-Conditions . 45g311.2.8 Exceptions. 45g311.2.9 Virtualisation Target . 45g311.3 Coexistence of Virtualised and Non-Virtualised Network Functions 46g3ETSI ETSI GR NFV 001 V1.2.1 (2017-

21、05)5 11.4 Problem description/Issues . 46g312 Use Case #7: Fixed Access Network Functions Virtualisation 46g312.1 Motivation 46g312.2 Detailed User Story 47g312.2.1 Summary . 47g312.2.2 Actor(s) . 47g312.2.3 Pre-Conditions 48g312.2.4 Begins When . 48g312.2.5 Description 48g312.2.6 End When . 50g312.

22、2.7 Post-Conditions . 50g312.2.8 Exceptions. 50g312.3 Coexistence of Virtualised and Non-virtualised Network Functions . 51g312.4 Problem description/Issues . 52g313 Use Case #8: Crypto as a Service (CaaS) . 53g313.1 Motivation 53g313.2 Detailed User Story 53g313.2.1 Summary . 53g313.2.2 Actor(s) .

23、53g313.2.3 Pre-Conditions 53g313.2.4 Begins When . 53g313.2.5 Description 53g313.2.6 End When . 54g313.2.7 Post-Conditions . 54g313.2.8 Exceptions. 54g313.2.9 Virtualisation Target . 54g313.3 Coexistence of Virtualised and Non-Virtualised Network Functions 55g313.4 Problem description/Issues . 56g31

24、4 Use Case #9: Network Slicing 56g314.1 Motivation 56g314.2 Detailed User Story 58g314.2.1 Summary . 58g314.2.2 Actor(s) . 59g314.2.3 Pre-Conditions 59g314.2.4 Begins When . 60g314.2.5 Description 60g314.2.6 End When . 60g314.2.7 Post-Conditions . 60g314.2.8 Exceptions. 60g314.2.9 Virtualisation Tar

25、get . 60g314.3 Coexistence of Virtualised and Non-Virtualised Network Functions 61g315 Use Case #10: Virtualisation of Internet of Things (IoT) 61g315.1 Motivation 61g315.2 Detailed User Story 62g315.2.1 Summary . 62g315.2.2 Actor(s) . 63g315.2.3 Pre-Conditions 63g315.2.4 Begins When . 64g315.2.5 De

26、scription 64g315.2.6 End When . 64g315.2.7 Post-Conditions . 64g315.2.8 Exceptions. 64g315.2.9 Virtualisation target 65g315.3 Coexistence of Virtualised and Non-Virtualised Network Functions 65g315.4 Problem description/Issues . 65g316 Use Case #11: Rapid Service Deployment . 65g316.1 Motivation 65g

27、316.2 Detailed User Story 65g316.2.1 Summary . 65g3ETSI ETSI GR NFV 001 V1.2.1 (2017-05)6 16.2.2 Actor(s) . 66g316.2.3 Pre-Conditions 66g316.2.4 Begins When . 66g316.2.5 Description 66g316.2.6 End When . 66g316.2.7 Post-Conditions . 66g316.2.8 Exceptions. 66g316.2.9 Virtualisation Target . 67g316.3

28、Coexistence of Virtualised and Non-Virtualised Network Functions 67g316.4 Problem description/Issues . 67g317 Use Case #12: Devops/CI/CD 67g317.1 Motivation 67g317.2 Detailed User Story 67g317.2.1 Summary . 67g317.2.2 Actor(s) . 68g317.2.3 Pre-Conditions 68g317.2.4 Begins When . 68g317.2.5 Descripti

29、on 68g317.2.6 End When . 68g317.2.7 Post-Conditions . 68g317.2.8 Exceptions. 69g317.2.9 Virtualisation Target . 69g317.3 Coexistence of Virtualised and Non-Virtualised Network Functions 69g317.4 Problem description/Issues . 69g318 Use Case #13: A/B testing 69g318.1 Motivation 69g318.2 Detailed User

30、Story 69g318.2.1 Summary . 69g318.2.2 Actor(s) . 70g318.2.3 Pre-Conditions 70g318.2.4 Begins When . 70g318.2.5 Description 70g318.2.6 End When . 70g318.2.7 Post-Conditions . 71g318.2.8 Exceptions. 71g318.2.9 Virtualisation Target . 71g318.3 Coexistence of Virtualised and Non-Virtualised Network Func

31、tions 71g318.4 Problem description/Issues . 71g319 Use Case #14: VNF composition across multiple administrative domains 71g319.1 Motivation 71g319.2 Detailed User Story 72g319.2.1 Summary . 72g319.2.2 Actor(s) . 72g319.2.3 Pre-Conditions 73g319.2.4 Begins When . 73g319.2.5 Description 73g319.2.6 End

32、s When 74g319.2.7 Post-Conditions . 74g319.2.8 Exceptions. 74g319.2.9 Virtualisation Target . 74g319.3 Coexistence of Virtualised and Non-Virtualised Network Functions 74g319.4 Problem description/Issues . 74g320 Use Case #15: Security as a Service (SecaaS) . 75g320.1 Motivation 75g320.2 Detailed Us

33、er Story 75g320.2.1 Summary . 75g320.2.2 Actor(s) . 76g320.2.3 Pre-Conditions 77g320.2.4 Begins When . 77g3ETSI ETSI GR NFV 001 V1.2.1 (2017-05)7 20.2.5 Description 77g320.2.6 Ends When 78g320.2.7 Post-Conditions . 78g320.2.8 Exceptions. 78g320.2.9 Virtualisation Target . 78g320.3 Coexistence of Vir

34、tualised and Non-Virtualised Network Functions 78g320.4 Problem description/Issues . 79g3Annex A: Change History . 80g3History 81g3ETSI ETSI GR NFV 001 V1.2.1 (2017-05)8 Intellectual Property Rights Essential patents IPRs essential or potentially essential to the present document may have been decla

35、red 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

36、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 E

37、TSI 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 a

38、ny 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. Forew

39、ord 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 clau

40、se 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 GR NFV 001 V1.2.1 (2017-05)9 1 Scope The scope of the present document is to describe use cases of interest for

41、 Network Functions Virtualisation (NFV). It updates and extends ETSI GS NFV 001 V1.1.1 i.15. 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 edit

42、ion 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 publicat

43、ion, 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 003: “Network Functions Virtualisation (NFV); Terminology for Main

44、Concepts in NFV“. i.2 ETSI GS NFV-REL 005: “Network Functions Virtualisation (NFV); Accountability; Report on Quality Accountability Framework“. i.3 ISO/IEC 17788 (First edition) (2014-10-15): “Information technology - Cloud computing - Overview and vocabulary“. NOTE: Available at http:/standards.is

45、o.org/ittf/PubliclyAvailableStandards/c060544_ISO_IEC_17788_2014.zip. i.4 ISO/IEC 17789 (First edition) (2014-10-15): “Information Technology - Cloud Computing - Reference Architecture“. NOTE: http:/standards.iso.org/ittf/PubliclyAvailableStandards/c060545_ISO_IEC_17789_2014.zip. i.5 NGMN 5G White P

46、aper. i.6 NGMN Description of Network Slicing Concept. i.7 IMT 2020 5G Network Topology Architecture. i.8 NFV White paper: “Network Functions Virtualisation, An Introduction, Benefits, Enablers, Challenges Use Cases“. i.16 BBF Technical Report TR-317: “Network Enhanced Residential Gateway“. 3 Abbrev

47、iations For the purposes of the present document, the following abbreviations apply: AAA Authentication, Authorization and Accounting ADC Application Delivery Control AN Access Node API Application Programming Interface AR Access Router ARPU Average Revenue Per User AS Application Server BBF BroadBa

48、nd ForumBBU Base Band Unit BGP Border Gateway Protocol BNG Broadband Network Gateway BS Base Station BSS Business Support System CAPEX Capital Expenses CDN Content Delivery Network CI/CD Continuous Integration/Continuous Deployment CMTS Cable Modem Termination System CO Central Office COTS Custom Of

49、f The Shelf CP Connection PointCPE Customer Premises Equipment CPU Central Processing Unit C-RAN Cloud Radio Access Network CRM Customer Relationship Management CSC Cloud Service Customer CSCF Call Session Control Function CSP Cloud Service Provider CSP:NP Cloud Service Provider:Network Provider DARE Data Analysis and Remediation Engine DBA Dynamic Bandwidth Allocation DC Data Centre DHCP Dynamic Host Configuration Protocol DLNA Digital Living Network Alliance DPI Deep Packet Inspection DPU Distribution Point Unit DRA Diameter Routing AgentDSL Digital