ETSI GR IP6 009-2017 IPv6-based Industrial Internet leveraging 6TiSCH technology (V1 1 1)《基于IPv6的工业互联网促使6TiSCH技术改进(V1 1 1)》.pdf

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1、 ETSI GR IP6 009 V1.1.1 (2017-03) IPv6-based Industrial Internet leveraging 6TiSCH technology Disclaimer The present document has been produced and approved by the IPv6 Integration (IP6) ETSI Industry Specification Group (ISG) and represents the views of those members who participated in this ISG. I

2、t does not necessarily represent the views of the entire ETSI membership. GROUP REPORT ETSI ETSI GR IP6 009 V1.1.1 (2017-03) 2 Reference DGR/IP6-0009 Keywords 6TiSCH, IPv6, network 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 Sire

3、t 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: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. Th

4、e 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 perceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portabl

5、e 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 or change of status. Information on the current status of this and other ETSI documents is available at https:/portal.e

6、tsi.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/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or

7、 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 authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunic

8、ations 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. GSM and the

9、GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI GR IP6 009 V1.1.1 (2017-03) 3 Contents Intellectual Property Rights 5g3Foreword . 5g3Modal verbs terminology 5g3Executive summary 5g3Introduction 6g31 Scope 7g32 References 7g32.1 Normative references . 7g32.2 Informativ

10、e references 7g33 Abbreviations . 13g34 Converging Networks for the Industrial Internet . 15g34.1 On Operational Technology . 15g34.2 Enabling the IT/OT convergence . 15g34.3 The path to the IT/OT Convergence . 16g34.4 The case of Low-power Lossy Networks . 17g35 What is Deterministic Networking? .

11、18g35.1 Common definitions (from Web encyclopaedia) . 18g35.2 The train analogy (to control loop traffic) 19g35.3 The bus analogy (to deterministic circuit switching) 19g35.4 The vacation place analogy (to time-sharing) 20g35.5 The casino analogy (to statistical effects) . 21g35.6 Transporting OT tr

12、affic 22g36 Enabling Determinism in a Network 22g36.1 The precursors 22g36.1.1 On Fast Reroute 22g36.1.2 On SDN and Traffic Engineering . 23g36.2 Expected benefits in wired networks 23g36.3 Making Ethernet deterministic? . 24g36.4 Making wireless deterministic? 24g37 The IETF DetNet architecture 27g

13、37.1 Positioning of work 27g37.2 The architecture in a nutshell . 27g37.3 Networking in DetNet 28g37.4 Controlling a Deterministic Network . 30g37.4.1 Reporting the topology to the controller . 30g37.4.2 Implementing the needs of the application . 31g37.4.3 Automating the network operation . 33g37.5

14、 Limits and perspectives 33g38 The art of low-power wireless sensor network. 33g38.1 A highly predictable wireless . 33g38.2 WSNs in Industrial Process Control . 35g38.3 6TiSCH and best effort IPv6 35g39 The vision of 6TiSCH centralized scheduling 37g39.1 A converged wireless network . 37g39.2 PCE v

15、s. 6TiSCH . 38g39.3 6TiSCH base elements (time slots, schedule, chunks and bundles) . 38g39.4 Applying DetNet to 6TiSCH 43g39.5 Forwarding along 6TiSCH Tracks . 43g39.6 Enabling the convergence. 44g3ETSI ETSI GR IP6 009 V1.1.1 (2017-03) 4 10 Conclusion 45g3Annex A: Authors Essential, or potentially

16、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 (https:/ipr.etsi.org/). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guaran

17、tee 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 Report (GR) has been produced by ETSI Industry Specification Group (ISG) IPv6 Integ

18、ration (IP6). 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 Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT a

19、llowed in ETSI deliverables except when used in direct citation. Executive summary The Industrial Internet will enable deep process optimization in multiple industries by introducing Information Technology (IT) capabilities, such as Big Data and virtualization, to improve Operational Technology (OT)

20、 processes while reducing the OPEX, with the convergence of the IT and OT network. At the core of this revolution, a new breed of Deterministic Networks will provide enhancements that are required to fully emulate the traditional serial links and field buses that are widely deployed in that space ov

21、er IPv6. Deterministic Networking is a new (to IT networks) level of guarantee for network-based services, based on time, resource reservation, and enforcement. Deterministic Networking provides the capability to carry specified unicast or multicast data streams for real-time applications with extre

22、mely low data loss rates and bounded latency. Deterministic Networking technology allows for guarantees of worst-case delivery. More precisely, the worst-case data loss and latency are guaranteed in a consistent fashion as multiple services are deployed on a common converged network infrastructure.

23、Deterministic Networking adds key capabilities to the Internet (wired, wireless, Layer 2 and Layer 3) to support time-sensitive mission-critical applications on a converged enterprise infrastructure. These capabilities are required to drive the connection of billions of things, and make available th

24、e vast amounts of data that IoE applications generate. Deterministic Networking is a quantum step beyond existing QoS mechanisms. It implies time synchronization on all the nodes, often including source and destination, the centralized computation of the deterministic paths from a global perspective

25、 for a better optimization, new traffic shapers and schedulers within and at the edge to protect the network, and new hardware for time-triggered access to the media. 6TiSCH i.107 enables Deterministic Networking over Low-Power Radios, controlled by a central intelligence called a PCE. At the same t

26、ime, 6TiSCH allows traditional best effort IPv6 flows routed with the RPL routing protocol to utilize the portions of the bandwidth that are not allocated to deterministic flow. This way, the collection over IPv6 of traditionally unmeasured data can scale to vast numbers without interfering with the

27、 more critical flows for which all the necessary resources are reserved. ETSI ETSI GR IP6 009 V1.1.1 (2017-03) 6 Introduction It all started with point-to-point copper wires, transporting analogue signals for short messages, then telephone and television, industrial measurements and commands, anythi

28、ng though initially not data. Digital data networks, and then packet networks, came last; but with the advent of determinism, the late comers now show the potential to federate all original forms of wired and wireless communication and lead to the final convergence of all communication networks. A g

29、eneric and cheap replacement to serial cables to provide connectivity to all sorts of devices, coupled with resource-sharing meshed networks, are now required to simplify the cabling and drive the costs down in many industries, from transportation to manufacturing. Simple as it may seem to emulate t

30、he legacy forms of serial communications, reproducing the various aspects of a point-to-point electric cable over a multi-hop packet network is actually the hardest thing to do. Yet, the need is becoming more and more pressing, as: 1) managing all the existing sorts of cables and buses has become an

31、 increasingly costly complexity in many aspects of our lives; and 2) point-to-point wires will not scale to serve the exploding needs of the Internet of Things. A paper on “Integrating an Industrial Wireless Sensor Network with your Switched Ethernet and IP Network i.67“ was presented at the Emerson

32、 Exchange 2008 conference in Washington. The paper discussed how Wireless Sensor Networks (WSNs), which are in essence cheaper and faster to deploy than traditional wired field-buses, could leverage the entire network to connect the sensors to a centralized controlling application located afar on th

33、e carpeted floor, for Industrial supervisory control or logging. At the same time, the paper stressed issues that are raised when integrating a classical, often proprietary industrial automation network, with tight response time and availability constraints, into a wider IP network based on packet-s

34、witched and Internet technologies. With this and a collectionof other papers i.69, i.70, i.71 and i.72, the realization is now coming that with techniques such as flow isolation, high availability and a new generation of Quality of Service (QoS), the times of the convergence of these networks are fi

35、nally approaching. ETSI ETSI GR IP6 009 V1.1.1 (2017-03) 7 1 Scope The present document outlines a general architecture for an Industrial Internet, providing motivation for the deployment, and some technical guidelines with a focus on deterministic and low power technologies, for a prospective IPv6-

36、based Industrial Internet leveraging deterministic wireless technology. The present document elaborates on deterministic networking, wired and wireless, for application in the Industrial Internet. 2 References 2.1 Normative references Normative references are not applicable in the present document.

37、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 references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any am

38、endments) 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 referenced documents are not necessary for the application of the present document but they assist the user with regard to a part

39、icular subject area. i.1 IETF RFC 6371: “Operations, Administration, and Maintenance Framework for MPLS-Based Transport Networks“. i.2 J. Araujo et al.: “High availability automation networks: PRP and HSR ring implementations“ in: Industrial Electronics (ISIE), 2012 IEEE International Symposium on,

40、IEEE, 2012, pp. 1197-1202. i.3 IETF RFC 7471: “OSPF Traffic Engineering (TE) Metric Extensions“. i.4 D. Beller and R. Sperber: “MPLS-TP-The New Technology for Packet Transport Networks“ in: DFN-Forum Kommunikationstechnologien, vol. 149, 2009, pp. 81-92. i.5 IETF RFC 6119: “IPv6 Traffic Engineering

41、in IS-IS“. i.6 M. S. Borella et al.: “Methods for determining sendable information content based on a determined network latency“, US Patent 6,182,125, Jan. 2001. i.7 IETF RFC 7490: “Remote Loop-Free Alternate (LFA) Fast Reroute (FRR)“. i.8 A. Colvin: “CSMA with collision avoidance“ in: Computer Com

42、munications 6.5 (1983), pp. 227-235. i.9 IEC 62439-3:2009: “Industrial communication networks - High availability automation networks - Part 3: Parallel Redundancy Protocol (PRP) and High-availability Seamless Redundancy (HSR)“. i.10 IEC 62591:2016: “Industrial networks - Wireless communication netw

43、ork and communication profiles - WirelessHART“. i.11 IEC 62734:2014: “Industrial networks - Wireless communication network and communication profiles - ISA 100.11a“. i.12 IEC 62601:2015: “Industrial networks - Wireless communication network and communication profiles - WIA-PA“. ETSI ETSI GR IP6 009

44、V1.1.1 (2017-03) 8 i.13 IEC 61850: 2016 SER: “Communication networks and systems for power utility automation - ALL PARTS“. i.14 S. S. Craciunas and R. S. Oliver: “SMT-based task-and network-level static schedule generation for time-triggered networked systems“ in: Proceedings of the 22ndInternation

45、al Conference on Real-Time Networks and Systems, ACM, 2014, p. 45. i.15 IETF draft-ietf-6tisch-6top-sf0-02D: “6TiSCH 6top Scheduling Function Zero (SF0)“. i.16 Y. Fang and Y. Zhang: “Call admission control schemes and performance analysis in wireless mobile networks“ in: IEEE Transactions on vehicul

46、ar technology 51.2 (2002), pp. 371-382. i.17 IETF RFC 4655: “A Path Computation Element (PCE)-Based Architecture“. i.18 IETF RFC 5960: “MPLS Transport Profile Data Plane Architecture“. i.19 M. Goraj and R. Harada: “Migration paths for IEC 61850 substation communication networks towards superb redund

47、ancy based on hybrid PRP and HSR topologies“ in: Developments in Power Systems Protection, 2012. DPSP 2012. 11thInternational Conference on, IET, 2012, pp. 1-6. i.20 IETF draft-ietf-detnet-use-cases-11: “Deterministic Networking Use Cases“. i.21 T. Hasegawa et al.: “Industrial wireless standardizati

48、on - Scope and implementation of ISA SP100 standard“ in: SICE Annual Conference (SICE), 2011 Proceedings of, IEEE, 2011, pp. 2059-2064. i.22 K.-i. Hwang: “Energy efficient channel agility utilizing dynamic multi-channel CCA for ZigBee RF4CE“ in: IEEE Transactions on Consumer Electronics 57.1 (2011),

49、 pp. 113-119. i.23 D. M. Ingram, P. Schaub, and D. A. Campbell: “Use of precision time protocol to synchronize sampled-value process buses“ in: IEEE Transactions on Instrumentation and Measurement 61.5 (2012), pp. 1173-1180. i.24 H. Kirrmann et al.: “HSR: Zero recovery time and low-cost redundancy for Industrial Ethernet (High availability seamless redundancy, IEC 62439-3)“ in: Proceedings of the 14thIEEE international conference on Emerging technologies Data transmission equipment operating in the 2,4 GHz ISM band

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