1、 ETSI GS NFV-EVE 005 V1.1.1 (2015-12) Network Functions Virtualisation (NFV); Ecosystem; Report on SDN Usage in NFV Architectural Framework Disclaimer This document has been produced and approved by the Network Functions Virtualisation (NFV) ETSI Industry Specification Group (ISG) and represents the
2、 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-EVE 005 V1.1.1 (2015-12)2 Reference DGS/NFV-EVE005 Keywords NFV, SDN ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRAN
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8、oduction in all media. European Telecommunications Standards Institute 2015. 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 th
9、e 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI GS NFV-EVE 005 V1.1.1 (2015-12)3 Contents Intellectual Property Rights 7g3Foreword . 7g3Modal verbs terminology 7g31 Scope 8g32 References 8g32.1 Normative references . 8g32.2
10、Informative references 8g33 Definitions and abbreviations . 9g33.1 Definitions 9g33.2 Abbreviations . 9g34 Overview of SDN in the NFV architectural framework. 10g34.1 Introduction 10g34.2 SDN scope 10g34.3 SDN in the NFV architectural framework 11g34.3.1 General 11g34.3.2 SDN management plane . 11g3
11、4.3.3 Position of SDN resources in an NFV architectural framework . 12g34.3.4 Position of the SDN controller in an NFV architectural framework . 12g34.3.5 Position of SDN applications in an NFV architectural framework . 13g34.4 SDN controller interfaces in the NFV architectural framework . 14g34.4.1
12、 Introduction. 14g34.4.2 SDN resource control interface options 16g34.4.3 SDN controller orchestration interface options. 17g34.4.4 SDN application control interface options 18g34.5 SDN controller to controller interface in NFV . 20g34.5.1 SDN controller to controller interface options in NFV . 20g3
13、4.5.2 SDN controller federation options in NFV . 21g35 Design patterns of SDN in the NFV architectural framework . 21g35.1 Introduction 21g35.2 SDN technology integration options with NFV . 22g35.2.0 Introduction. 22g35.2.1 Interconnecting VNFCs using SDN 22g35.2.2 Interconnecting VNFs using SDN 22g
14、35.2.2.0 Introduction . 22g35.2.2.1 Chaining based on network service designed according to a VNF-FG . 22g35.2.2.2 Chaining based on customer policy/service 22g35.2.2.3 Chaining based on VNF processing 23g35.2.2.4 Load balancing across VNFs 23g35.3 SDN across multiple VIM 23g35.3.0 Introduction. 23g
15、35.3.1 SDN controller interfaces . 23g35.3.2 Scenarios for SDN across multiple VIMs . 24g35.3.3 Challenges for SDN across multiple VIMs . 24g35.3.4 Analysis of SDN across multiple VIMs 24g35.3.4.1 SDN across multiple VIMs located in a single NFVI-PoP . 24g35.3.4.2 SDN across multiple VIM in differen
16、t NFVI-PoPs 24g35.3.4.2.0 Introduction . 24g35.3.4.2.1 VNFs across multiple NFVI-PoP locations with a static bit pipe between them . 25g35.3.4.2.2 VNFs across multiple NFVI-PoP locations, SDN-based NaaS between them 25g35.3.4.2.3 VNFs across multiple NFVI-PoP locations - NFVI-PoP and WAN in a common
17、 trust domain (Option A) . 26g35.3.4.2.4 VNFs across multiple NFVI-PoP locations - NFVI-PoP and WAN in different trust domains - client access to virtual WAN resources (Option B) . 26g3ETSI ETSI GS NFV-EVE 005 V1.1.1 (2015-12)4 5.3.4.2.5 VNFs across multiple NFVI-PoP locations - NFVI-PoP and WAN in
18、different trust domains - client access to physical host resources (Option C) . 27g35.3.4.2.6 SDN based NFV IaaS across multiple administration domains 28g35.3.4.2.7 Multiple VIM for a mobile network 30g35.4 SDN controller hierarchy . 30g35.4.1 Introduction. 30g35.4.2 Technical and business scenario
19、 . 31g35.4.2.1 SDN controller hierarchy scenarios overview . 31g35.4.2.2 SDN controller hierarchy for distributed performance, scalability and reliability for multilayer and single-layer transport network 31g35.4.2.3 SDN controller hierarchy for distributed, cross-SP or cross-domain services 32g35.4
20、.2.4 SDN controller hierarchy for NaaS . 33g35.4.2.5 SDN controller hierarchy for multi-domain, transport network fast fault recover 33g35.4.3 Mapping of SDN controller to the ETSI NFV architecture 34g35.4.3.1 Introduction . 34g35.4.3.2 Hierarchy of SDN controllers in the NFVI . 34g35.4.3.3 Hierarch
21、y of SDN controllers in a VNF 35g35.4.3.4 Hierarchy of SDN controller across functional blocks 35g35.4.3.5 Hierarchy of SDN controllers below the WIM . 35g35.5 SDN controller in a Virtualised environment . 35g35.5.1 Introduction. 35g35.5.2 Virtualisation of SDN Controller 35g35.5.3 SDN controller ac
22、ross multiple Virtualised environment . 36g35.6 SDN and VNF forwarding graph . 37g35.6.1 General 37g35.6.2 Static NCT 37g35.6.3 Dynamic NCT . 37g35.7 SDN controllers in the tenant and the infrastructure domains 38g35.8 Service Function Chaining . 40g35.8.1 Introduction. 40g35.8.2 Service Function Ch
23、aining (SFC) . 40g35.8.3 SFC and SDN . 41g35.8.4 SFC, SDN and NFV with a single NFVI domain . 42g35.8.4.0 Introduction . 42g35.8.4.1 Service function chain in the NFVI . 43g35.8.4.2 Service function chain in the tenant domain . 45g35.8.4.3 Different options to control a dynamic service chain 46g35.8
24、.5 End to end carrier network with SFC, SDN and NFV 47g35.8.6 SFC, SDN, NFV with multi-domain, scalability, etc. . 48g36 Functional recommendations . 49g36.1 Introduction 49g36.2 Functional recommendations related to security 52g36.3 Functional recommendations related to SDN controller 52g36.4 Funct
25、ional recommendations on connectivity and interfaces . 53g36.5 Functional recommendations on NFV Management and Orchestration . 54g36.5.1 General 54g36.5.2 Inter-administrative domain connectivity coordination 54g36.5.3 Support of operations to an SDN controller below the VIM 55g36.5.4 Support of or
26、dering and charging operations between multiple administrative domains . 55g36.6 Recommendations on operational aspects 55g3Annex A (informative): SDN in ETSI NFV POC 57g3A.0 Introduction 57g3A.1 POC#1: Open NFV Framework Project . 57g3A.2 POC#2: Service Chaining for NW function selection in Carrier
27、 Networks . 60g3A.3 POC#8: Automated Network Orchestration . 62g3A.4 POC#13: Multi-Layered Traffic Steering for Gi-Lan 64g3ETSI ETSI GS NFV-EVE 005 V1.1.1 (2015-12)5 A.5 POC#14: Forces applicability for NFV and integrated SDN . 66g3A.6 POC#15: Subscriber Aware Sgi/Gi-lan Virtualisation . 68g3A.7 POC
28、#16: NFVIaaS with Secure SDN-controlled WAN Gateway . 70g3A.8 POC#21: network intensive and compute intensive hardware acceleration . 72g3A.9 POC#23: E2E orchestration of Virtualised LTE Core-Network functions 74g3A.10 POC#26: Virtual EPC with SDN functions in Mobile Backhaul Networks 76g3A.11 POC#2
29、7: VoLTE Service based on vEPC and vIMS architecture . 78g3A.12 POC#28: SDN Controlled VNF Forwarding graph . 80g3A.13 POC#34: SDN-enabled Virtual EPC Gateway . 84g3A.14 POC#38: Full ISO-7 layer stack fulfilment, activation and orchestration of VNFs in carrier networks . 85g3Annex B (informative): S
30、DN Use Cases in NFV environment . 91g3B.1 Introduction 91g3B.2 Multi-Layer Bandwidth on Demand 91g3B.2.1 Introduction 91g3B.2.2 Problem Description . 91g3B.2.3 Solution Description . 92g3B.3 Bandwidth Defragmentation 92g3B.3.1 Problem Description . 92g3B.3.2 Solution Description . 93g3B.4 Policy Bas
31、ed Configuration 93g3B.4.1 Problem Description . 93g3B.4.2 Solution Description . 93g3B.4.3 Scope of Policy Based Configuration . 95g3B.4.4 Questions raised by Policy Based Configuration . 95g3B.5 Virtual CPE 95g3B.5.1 Problem Description . 95g3B.5.2 Solution Description . 96g3Annex C (informative):
32、 Comparison of Opensource SDN Controller . 99g3C.1 Introduction 99g3C.2 List of Opensource SDN controller 99g3C.2.0 Introduction 99g3C.2.1 Floodlight . 100g3C.2.2 OpenDaylight . 100g3C.2.3 OpenContrail 104g3C.2.4 Ryu . 106g3C.2.5 ONOS . 108g3C.2.5.1 Introduction. 108g3C.2.5.2 ONOS Architecture. 109g
33、3C.2.5.3 ONOS User Interface 110g3C.2.6 MidoNet . 111g3C.3 Comparison criteria 113g3C.3.1 List of Comparison Criteria 113g3C.3.2 Impact of Docker 114g3C.4 Comparison table 115g3C.5 ETSI NFV POC with Opensource SDN Controller . 115g3C.5.1 List of POC and Opensource Controller used 115g3ETSI ETSI GS N
34、FV-EVE 005 V1.1.1 (2015-12)6 C.6 Lessons learnt . 116g3C.7 Other Opensource SDN components 117g3C.7.1 Switch Software and Stand-Alone OpenFlow Stacks. 117g3C.7.2 Controller Platforms . 117g3C.7.3 Special Purpose Controllers . 117g3C.7.4 Misc 118g3Annex D (informative): Authors Essential, or potentia
35、lly 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 (http:/ipr.etsi.org). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guar
36、antee 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. Foreword This Group Specification (GS) has been produced by ETSI Industry Specification Group (ISG) N
37、etwork 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
38、of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI GS NFV-EVE 005 V1.1.1 (2015-12)8 1 Scope The present document identifies the most common design patterns for using SDN in an NFV architectural framework. It also identifies poten
39、tial recommendations to be fulfilled by the entities that perform the integration. 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
40、. For non-specific references, the latest version of the reference 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 cl
41、ause 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. Not applicable. 2.2 Informative references References are either specific (identified by date of publication and/o
42、r 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 reference document (including any amendments) applies. NOTE: While any hyperlinks included in this clause were valid at the time of pub
43、lication, 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-INF 005 (V.1.1.1) - (12-2014): “Network Functions Virtualisati
44、on (NFV); Infrastructure; Network Domain“. i.2 ETSI GS NFV-MAN 001 (V1.1.1) - (12-2014): “Network Functions Virtualisation (NFV); Management and Orchestration“. i.3 ETSI GS NFV 002 (V1.2.1) - (12-2014): “Network Functions Virtualisation (NFV); Architectural Framework“. i.4 ETSI GS NFV 003 (V1.2.1) -
45、 (12-2014): “Network Functions Virtualisation (NFV); Terminology for Main Concepts in NFV“. i.5 ETSI GS NFV-SWA 001: “Network Functions Virtualisation (NFV); Virtual Network Functions Architecture“. i.6 Open Networking Foundation TR-502: “SDN Architecture“, Issue 1.0, June 2014. i.7 Metro Ethernet F
46、orum (V1.1) (February 2012): “Carrier Ethernet for Delivery of Private Cloud Services“. i.8 Recommendation ITU-T Y.3300 (06-2014): “Framework of software-defined networking“. i.9 IETF SFC Architecture. NOTE: Available at http:/tools.ietf.org/pdf/draft-ietf-sfc-architecture-07.pdf. ETSI ETSI GS NFV-E
47、VE 005 V1.1.1 (2015-12)9 i.10 IETF Service Function Chain Extension Architecture. NOTE: Available at https:/tools.ietf.org/pdf/draft-gu-sfc-extend-architecture-00.pdf. i.11 IETF I2NSF Interface to Network Security Functions. NOTE: Available at http:/datatracker.ietf.org/doc/charter-ietf-i2nsf/. i.12
48、 Floodlight: http:/www.projectfloodlight.org/floodlight/. i.13 OpenDaylight: http:/www.opendaylight.org/. i.14 OpenContrail: http:/www.opencontrail.org/. i.15 ONOS: http:/onosproject.org/. i.16 Ryu: http:/osrg.github.io/ryu/. i.17 Midonet: https:/www.midonet.org/. i.18 IETF RFC 5493 (April 2009): “R
49、equirements for the Conversion between Permanent Connections and Switched Connections in a Generalized Multiprotocol Label Switching (GPMLS) Network“. NOTE: Available at https:/tools.ietf.org/html/rfc5493. i.19 IETF RFC 6830 (January 2013): “The Locator/ID Separation Protocol (LISP)“. i.20 IETF RFC 7285 (September 2014): “Application-Layer Traffic Optimization (ALTO) Protocol“. i.21 IETF RFC 7348: “Virtual eXtensible Local Area Network (VXLAN): A Framework for Overlaying Virtualized Layer 2 Networks over Layer 3 Network
