ETSI GS NFV-IFA 002-2017 Network Functions Virtualisation (NFV) Release 2 Acceleration Technologies VNF Interfaces Specification (V2 3 1).pdf

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1、 ETSI GS NFV-IFA 002 V2.3.1 (2017-08) Network Functions Virtualisation (NFV) Release 2; Acceleration Technologies; VNF Interfaces Specification Disclaimer The present document has been produced and approved by the Network Functions Virtualisation (NFV) ETSI Industry Specification Group (ISG) and rep

2、resents 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 002 V2.3.1 (2017-08) 2 Reference RGS/NFV-IFA002ed231 Keywords acceleration, interoperability, NFV, NFVI, performance, p

3、ortability 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 download

4、ed from: http:/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 o

5、r perceived 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 t

6、o revision 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

7、/CommiteeSupportStaff.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 wri

8、tten authorization 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

9、 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 GS NFV-IFA 002 V2.3.1 (2017-08) 3 Contents Intellectual Property Rights 7g3Fore

10、word . 7g3Modal verbs terminology 7g31 Scope 8g32 References 8g32.1 Normative references . 8g32.2 Informative references 8g33 Definitions and abbreviations . 9g33.1 Definitions 9g33.2 Abbreviations . 11g34 Overview 11g34.1 Problem Statement . 11g34.1.1 VNF Acceleration goals 11g34.1.2 Network relate

11、d acceleration 13g34.1.3 Storage related acceleration 13g34.1.4 Algorithmic acceleration . 13g34.2 Software architecture 14g34.2.1 Overview 14g34.2.2 Acceleration model . 14g34.2.2.1 General 14g34.2.2.2 VNF aspects 15g34.2.2.3 Virtualisation Layer aspects 17g34.2.2.4 Intra-VNF acceleration 18g35 Abs

12、tract Interface functional requirements 20g35.1 Overview 20g35.2 Common Acceleration Virtualisation interface requirements 21g35.3 EPD Driver requirements . 21g35.4 Cryptography functional group 22g35.4.1 Overall requirements. 22g35.4.2 Operations requirements . 22g35.4.3 Crypto interface requiremen

13、ts. 23g35.4.4 Crypto driver requirements . 23g35.4.5 Management and monitoring requirements 23g35.5 IPSec functional group . 23g35.5.1 Overview 23g35.5.2 IPSec interface requirements 24g35.5.3 Operations requirements . 24g35.5.4 Management and monitoring requirements 24g35.6 TCP functional group . 2

14、4g35.6.1 TCP interface requirements 24g35.6.2 TCP type requirements . 25g35.7 Re-programmable computing functional group 25g35.7.1 Re-programmabe interface requirements 25g35.7.2 Operations requirements . 25g35.7.3 Management and monitoring requirements 25g35.8 Dynamic Optimization of Packet Flow Ro

15、uting Functional Group . 26g35.8.1 DOPFR interface requirements . 26g35.8.2 Management and monitoring requirements 26g35.9 NAT functional group 26g35.9.1 Overview 26g35.9.2 Overall requirements. 26g35.9.3 NAT interface requirements . 26g35.9.4 NAT Operations requirements 27g35.9.5 Management and mon

16、itoring requirements 27g3ETSI ETSI GS NFV-IFA 002 V2.3.1 (2017-08) 4 5.10 VXLAN functional group 27g35.10.1 Overview 27g35.10.2 Overall requirements. 27g35.10.3 VXLAN interface requirements 27g35.10.4 VXLAN operations requirements . 27g35.10.5 Management and monitoring requirements 28g35.11 Media fu

17、nctional group 28g35.11.1 Overview 28g35.11.2 Media overall requirements 28g35.11.3 Media operations requirements . 28g35.11.4 Media interface requirements . 29g35.11.5 Management and monitoring requirements 29g35.12 QoS Functional group 29g35.12.1 Overview 29g35.12.2 QoS interface requirements. 31g

18、35.12.3 QoS Operations requirements . 31g35.12.4 Management and monitoring requirements 32g35.13 PDCP Functional group 32g35.13.1 Overview 32g35.13.2 Overall requirements. 32g35.13.3 Operations requirements . 32g35.13.4 Management and monitoring requirements 33g36 UML description of abstract interfa

19、ces 33g36.1 General . 33g36.2 Acceleration Virtualisation interface 33g36.2.1 Initialization 33g36.2.2 Configuration 34g36.2.3 Fault Management 34g36.3 EPD Driver interface 35g36.3.1 Cryptography functional group . 35g36.3.1.1 Overview. 35g36.3.1.2 Key generation 35g36.3.1.3 Operation execution 36g3

20、6.3.1.4 Inline packet encryption/decryption 37g36.3.2 IPSec functional group 37g36.3.3 TCP functional group 38g36.3.4 Re-programmable computing functional group 39g36.3.5 Dynamic Optimization of Packet Flow Routing Functional Group 40g36.3.6 NAT functional group . 40g36.3.7 VXLAN functional group .

21、41g36.3.8 Media functional group . 41g36.3.9 QoS Functional group . 43g37 VNF Interfaces Specifications 44g37.1 General . 44g37.2 Conventions 44g37.3 EPD Management interface 45g37.3.1 Description 45g37.3.2 Init operation . 45g37.3.2.1 Description 45g37.3.2.2 Input Parameters . 45g37.3.2.3 Output Pa

22、rameters. 45g37.3.3 RegisterForAccEvent operation 45g37.3.3.1 Description 45g37.3.3.2 Input Parameters . 46g37.3.3.3 Output Parameters. 46g37.3.3.4 Operation Result . 46g37.3.4 AccEventNotification operation . 46g37.3.4.1 Description 46g37.3.4.2 Input Parameters . 46g37.3.4.3 Output Parameters. 46g3

23、ETSI ETSI GS NFV-IFA 002 V2.3.1 (2017-08) 5 7.3.4.4 Operation Result . 47g37.3.5 DeRegisterForAccEvent operation . 47g37.3.5.1 Description 47g37.3.5.2 Input Parameters . 47g37.3.5.3 Output Parameters. 47g37.3.5.4 Operation Result . 47g37.3.6 ReleaseAcc operation . 47g37.3.6.1 Description 47g37.3.6.2

24、 Input Parameters . 47g37.3.6.3 Output Parameters. 48g37.3.6.4 Operation Result . 48g37.4 EPD Configuration Interface 48g37.4.1 Description 48g37.4.2 ModifyAccConfiguration operation 48g37.4.2.1 Description 48g37.4.2.2 Input Parameters . 48g37.4.2.3 Output Parameters. 48g37.4.2.4 Operation Result .

25、48g37.4.3 GetAccConfigs operation . 49g37.4.3.1 Description 49g37.4.3.2 Input Parameters . 49g37.4.3.3 Output Parameters. 49g37.4.3.4 Operation Result . 49g37.4.4 ResetAccConfigs operation 49g37.4.4.1 Description 49g37.4.4.2 Input Parameters . 50g37.4.4.3 Output Parameters. 50g37.4.4.4 Operation Res

26、ult . 50g37.5 EPD Monitoring Interface 50g37.5.1 Description 50g37.5.2 GetAccStatistics operation 50g37.5.2.1 Description 50g37.5.2.2 Input Parameters . 51g37.5.2.3 Output Parameters. 51g37.5.2.4 Operation Result . 51g37.5.3 ResetAccStatistics operation . 51g37.5.3.1 Description 51g37.5.3.2 Input Pa

27、rameters . 51g37.5.3.3 Output Parameters. 52g37.5.3.4 Operation Result . 52g37.6 EPD Data Interface . 52g37.6.1 Description 52g37.6.2 Accelerate operation . 52g37.6.2.1 Description 52g37.6.2.2 Input Parameters . 52g37.6.2.3 Output Parameters. 52g37.6.2.4 Operation Result . 53g37.6.3 AccSend operatio

28、n 53g37.6.3.1 Description 53g37.6.3.2 Input Parameters . 53g37.6.3.3 Output Parameters. 53g37.6.3.4 Operation Result . 53g37.6.4 AccReceive operation. 53g37.6.4.1 Description 53g37.6.4.2 Input Parameters . 54g37.6.4.3 Output Parameters. 54g37.6.4.4 Operation Result . 54g37.6.5 RegisterForAccDataAvai

29、lableEvent operation . 54g37.6.5.1 Description 54g37.6.5.2 Input parameters 55g37.6.5.3 Output parameters . 55g37.6.5.4 Operation Result . 55g3ETSI ETSI GS NFV-IFA 002 V2.3.1 (2017-08) 6 7.6.6 AccDataAvailableEventNotification operation 55g37.6.6.1 Description 55g37.6.6.2 Input Parameters . 55g37.6.

30、6.3 Output Parameters. 55g37.6.6.4 Operation Result . 55g37.6.7 DeRegisterForAccDataAvailableEvent operation 56g37.6.7.1 Description 56g37.6.7.2 Input Parameters . 56g37.6.7.3 Output parameters . 56g37.6.7.4 Operation Result . 56g38 Information elements exchanged 56g38.1 Introduction 56g38.2 Informa

31、tion elements and notifications related to EPD Interface Management operations . 56g38.2.1 Introduction. 56g38.2.2 AccCapabilities information element 56g38.2.2.1 Description 56g38.2.2.2 Attributes . 57g38.2.3 SubSysCapabilities information element 57g38.2.3.1 Description 57g38.2.3.2 Attributes . 57

32、g38.2.4 AccEventType information element . 57g38.2.4.1 Description 57g38.2.4.2 Attributes . 57g38.2.5 AccEventMetaData information element 57g38.2.5.1 Description 57g38.2.5.2 Attributes . 57g38.3 Information elements and notifications related to EPD Interface Configuration operations 58g38.3.1 Intro

33、duction. 58g38.3.2 AccConfigurationType information element 58g38.3.2.1 Description 58g38.3.2.2 Attributes . 58g38.3.3 AccSubSysConfigurationType information element 58g38.3.3.1 Description 58g38.3.3.2 Attributes . 58g38.4 Information elements and notifications related to EPD Interface Monitoring op

34、erations 58g38.4.0 Introduction. 58g38.4.1 AccStatistics information element 59g38.4.1.1 Description 59g38.4.1.2 Attributes . 59g38.4.2 SubSysStatistics information element . 59g38.4.2.1 Description 59g38.4.2.2 Attributes . 59g38.5 Information elements and notifications related to EPD Data Interface

35、 operations . 59g38.5.1 Introduction. 59g38.5.2 AccDataType information element . 59g38.5.2.1 Description 59g38.5.2.2 Attributes . 59g3Annex A (informative): Authors Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat

36、. 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 on the

37、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 being the pr

38、operty 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 Specification (GS) has

39、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 in clause 3.2 of

40、 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 002 V2.3.1 (2017-08) 8 1 Scope The present document specifies requirements for a set of abstract interfaces e

41、nabling a VNF to leverage acceleration services from the infrastructure, regardless of their implementation. The present document also provides an acceleration architectural model to support its deployment model. 2 References 2.1 Normative references References are either specific (identified by dat

42、e 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. Referenced documents which are not found to be publicly a

43、vailable in the expected location might be found at https:/docbox.etsi.org/Reference/. NOTE: While any hyperlinks 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

44、 present document. 1 ETSI GS NFV 003: “Network Functions Virtualisation (NFV); Terminology for main concepts in NFV“. 2 ETSI TS 136 323: “LTE; Evolved Universal Terrestrial Radio Access (E-UTRA); Packet Data Convergence Protocol (PDCP) specification (3GPP TS 36.323)“. 3 ETSI TS 133 401: “Digital cel

45、lular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; 3GPP System Architecture Evolution (SAE); Security architecture (3GPP TS 33.401)“. 2.2 Informative references References are either specific (identified by date of publication and/or edition num

46、ber 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 publication, ET

47、SI 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 003: “Network Functions Virtualisation (NFV); Infrastructure; Compute

48、Domain“. i.2 ETSI GS NFV-SWA 001: “Network Functions Virtualisation (NFV); Virtual Network Functions Architecture“. i.3 ETSI GS NFV-IFA 003: “Network Functions Virtualisation (NFV); Acceleration Technologies; vSwitch Benchmarking and Acceleration Specification“. i.4 ETSI GS NFV-IFA 004: “Network Fun

49、ctions Virtualisation (NFV); Acceleration Technologies; Management aspects Specification“. i.5 Void. i.6 ETSI GS NFV-INF 005: “Network Functions Virtualisation (NFV);Infrastructure; Network Domain“. ETSI ETSI GS NFV-IFA 002 V2.3.1 (2017-08) 9 i.7 ETSI GS NFV-IFA 001: “Network Functions Virtualisation (NFV); Acceleration Technologies; Report on Acceleration Technologies a real-time OS is valued more for how quickly or how predictably it can respond than for the amount of work it can perform in a given period of time. software framework: abstraction in which

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