IEC 61375-2-5-2014

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IEC 61375 第2-5部分：以太网列车骨干
IEC Ec61375-2-5 Edition 1.0 2014-08 INTERNATIONAL STANDARD NORME INTERNATIONALE colour inside Electronic railway equipment - Train communication network (TCN) Part 2-5: Ethernet train backbone Materiel electronique ferroviaire Reseau embarque de train ( TCn Partie 2-5 Reseau central de train ethernet INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE PRICE CODE CODE PRⅨX XE CS45.060 SBN97828322-17726 Warning! Make sure that you obtained this publication from an authorized distributor. Attentionl Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agree Registered trademark of the International Electrotechnical Commission Marque depose de la Commission Electrotechnique Internationale EC61375-2-5:2014◎|EC2014 CONTENTS FOREWORD INTRODUCTION cope 10 2 Normative re ferences 10 3 Terms, definitions, symbols, abbreviations and conventions 11 3.1 Terms and definitions 3.2 Symbols and abbreviations…… 3.3 Conventions 17 3.3.1 Base of numeric values 17 3.3.2 Naming conventions 17 3.3.3 State diagram conventions 17 3.3.4 Annotation of data structures 17 4 Etb physical layer 17 Train regions 17 4.2 Physical characteristics…… 18 4.2.1 Genera 18 4.2.2 Intra car physical layer 18 4.2.3 Inter car physical layer 4.2.4 Inter Consist physical layer ““· 24 4.3 Power over Ethernet(POE) 27 ETB physical architecture and redundancy 29 4.4.1 General ..29 4.4.2 Link aggregation architecture 4.4.3 Functions 31 6 etb data link layer 32 6 ETB network layer: IPv4 subnets definition 33 6.1 General 33 6. 2 P mapping introduction .34 6.3 Topology ..34 6.3.1 General 34 6.3.2 Closed train 35 6. 4 Network IP address map 36 6.4.1 Global IPv4 address space 36 6.4.2 train subnet definition 36 6 4.3 Train IP address map summary 40 6. 4. 4 Train IP group addresses(multicast) 41 6.5 Particular hosts iP addresses 41 6.5.1 ETBN(Ethernet Train Backbone Node ,41 6.5.2 Hosts on train subnet 6.5.3 Host inside a closed train 43 6.6 Some use cases 45 6.7 Dynamic IP routing management 48 6.7.1 Unicast routes 48 6.7.2 Multicast routes 48 7 ETB Transport layer 49 8 ETB Train Inauguration:TTDP.…… 50 EC61375-2-5:2014◎|EC2014 8.1 Contents of this clause 50 8.2 Objectives and assumptions 50 8.2.1 Goals a“.:.:::aa:.a.::.::aaa“::::a 50 8.2.2 Out of scope.… 51 8.2.3 Assumptions 8.3 TBN settings 52 8.3.1 ETB sWitch port states 52 8.3.2 Node settings.. 52 8. 4 General behaviour .54 8.5 ETBN Inauguration state diagram 54 8.5.1 General 54 8.5.2 Actions .55 8.5.3 Transitions .57 8.6 ETBN peers discovery .58 8.6.1 nternal peers detection 58 8.6.2 EXternal peers detection 58 8.6.3 Switch port states handling 86. 4 Etb lines statuses 59 8.7 TTDP messages description 61 8.7.1 Genera 8.7.2 Convention 61 8.7.3 TTDP frame tagging .61 8.7.4 Transport and addressing 61 8.7.5 TTDP HELLO frame 面 62 8.7.6 TTDP TOPOLOGY frame 66 8. 8 tdp data structures 72 8.8.1 Connectivity Vector…… 72 8.8.2 ETBN Vector 73 8.8.3 Connectivity Tab|e… 73 8.8.4 Connectivity Table Crc 74 8.8.5 Train network directory 76 8.8.6 Train network directory CRC (Topology Counter) 78 8.8.7 Corrected topology 78 8. 9 TTDP frames timing 79 8.9.1 TTDP HELLO 79 8.9.2 TTDP TOPOLOGY 81 8.10 Inauguration Train Application interface .83 8.11 Degraded modes.… 83 8. 11.1 Late insertion EtbN, ...............................................................................83 8.11.2 Losing ETBN 84 8. 11.3 End ETBN failure and partial topology counter .84 8.12 Some discovery timing 85 8.12 ETBN wakeup…………… 85 8. 12.2 etbn failure 86 8.12.3 Consist coupling .87 9 ETB ETBN redundancy 88 10 ETB physical train naming convention(optional) 89 10.1 General 89 10.2 ETb Train domain 89 4 EC61375-2-5:2014◎|EC2014 10.3 Hostname 90 11 Etb Quality of service L国面 11.1 Contents of this clause 91 11.2 Frame forwarding 11.2.1 ETBN switching rate 11.2.2 No Head-of-Line blocking 91 11.2.3 Switching priorities 91 11.2.4 Switching queuing scheme 92 11.3 Priority of Inauguration frames 92 11.4 ETB ingress rate limiting .92 11.5 ETB egress rate shaping 92 11.6 etb data classes .92 12 ETB Management and monitoring 13 ETB Application interface 93 13. 1 Contents of this clause 93 13.2 Abstract communication model 93 13.3 TB Process Data and Message Data protocols ..94 13.4 ETB protocol transparency 94 13.5 ETBN interfaces .94 13.5.1 Application 94 13.5.2 Maintenance and monitoring……… 95 14 ETB conformity statement 96 Annex A(normative) Summary of eTB sizing parameters 97 Annex B(normative)Physical topology building algorithm .98 Annex C(normative TtdP MiB definition 101 Bibliography .121 Figure 1-ETB train regions 18 Figure 2- ETB Inter car at same potential.. 23 Figure 3-ETB Inter car not at the same potential.. 24 igure4- ETB Consist reversing…… 26 Figure- eTb Inter consist segment 27 Figure 6-ETBN PSE PoE use case..... .27 Figure 7-ETBN PD PoE use case 28 Figure 8- PoE in inter-Consist .28 Figure 9- PoE PSE alternative A ... 29 Figure 10- Redundant train backbone architecture 29 Figure 11- Link aggregation model 30 Figure12- Link aggregation group……… Figure 13-Conversations over LAG Figure 14- Hierarchical Consist topology 35 Figure 15- Closed train .36 Figure 16-"Subnet Id"with single Consist Network 38 Figure 17-"Subnet ld"with two single Consist Networks Figure 18- Multiple Consist Networks, without fault tolerance.. 39 EC61375-2-5:2014◎|EC2014 5 Figure19-" Subnet ld" with ETBN redundancy…… .39 Figure 20-"Subnet ld"in multiple units with ETBN redundancy 40 Figure 21-IP train address space summary .40 Figure 22-Relative addressing example 45 Figure 23-Train composed of a single Consist Network 46 Figure 24- Train composed of two single Consist Networks .46 Figure 25- Train composed of single Consist Network with ETBN redundancy .47 Figure 26- Train composed of two Consist Networks with ETBN redundancy 47 Figure 27- Train with two Consist Networks in single Consist 48 Figure 28-ETBN top node reference.. 51 Figure 29 -ETbn orientation capability 52 Figure 30-ETB switch in passive bypass setting Figure 31-ETB switch in intermediate setting 53 Figure 32-ETB switch in End Node setting 54 Figure 33 -ETBN Inauguration state diagram Figure 34- Switch port state diagram .59 Figure 35- ETBN physical line state machine 60 Figure 36-TTDP HELLo frame LLDPDU structure 62 Figure 37-LLDP organizationally tLV structure... 62 Figure 38-TTDP HELLo frame structure 66 Figure 39-TTDP specific HELLO TLV structure.. 66 Figure 40-TTDP TOPOLOGY frame structure Figure 41-TTDP TOPOLOGY specific ETB TLV structure 72 Figure 42-TTDP TOPOLOGY specific CN TLV structure ∴72 Figure 43-Train composition for TNDir example 77 Figure 44-TTDP HELLO normal mode and recovery timing 80 Figure 45- TTDP HELLo failure timing 81 Figure 46-TTDP TOPOLOGY frames handling 82 Figure 47-TTDP ETBNs wake up timing 85 Figure 48- TTDP ETBN failure timing ∴86 Figure 49-TTDP Consist coupling timing .87 Figure 50-Example of ETBN IP routing table without redundancy 88 Figure 51- Example of ETBN IP routing table with redundancy 88 Figure 52-ETB train domain defintion .90 Figure 53- Abstract communication model for ETB communication 94 Figure B. 1- Physical topology building 98 Figure c.1-TTDP MiB tree view ∴103 Table 1-ETB Intra car physical layer interface 19 Table 2-ETB Inter car physical layer interface Table 3-ETB Inter consist physical layer interface .25 Table 4-etB Switch data link layer interface 32 Table 5-ETB osI Network layer 33 EC61375-2-5:2014◎|EC2014 Table 6- train subnet definition Table 7- Train subnet decomposition .37 Table 8- Train iP group addresses reserved range 41 Table 9-EtbN ETB iP address 42 Table 10- hosts ip on train subnet 43 Table 11- Application ED common interface 50 ble 12-ETB switch port states 52 Table 13-ttdp destination mac addresses .62 T able 14- connectivity vector 73 Table 15- Connectivity Vector Fields..... 73 Table16-ETBN∨ ector 73 Table 17-etbn vector fields Table 18- Connectivity Table .74 Table 19-Connectivity Table fields 74 T able 20- T rain network directory 76 Table 21- Train network directory fields 76 Table 22- Train network directory(example) 78 Table 23- DSCP field mapping 91 Table 24-ETB Switching Priorities 92 Table 25- Train Topology Discovery object 95 Table a.1- ETB sizing parameters,…… 97 EC61375-2-5:2014◎|EC2014 INTERNATIONAL ELECTROTECHNICAL COMMISSION ELECTRONIC RAILWAY EQUIPMENT TRAIN COMMUNICATION NETWORK (TCN) Part 2-5: Ethernet train backbone FOREWORD 1)The International Electrotechnical Commission(IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of lec is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEc publishes International Standards, Technical Specifications Technical Reports, Publicly Available Specifications (PAS)and Guides (hereafter referred to as"lEC Publication(s)"). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non- governmental organizations liaising with the lEc also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (Iso)in accordance with conditions determined by agreement between the two organizations 2)The formal decisions or agreements of IEc on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees 3)IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense while all reasonable efforts are made to ensure that the technical content of iec Publications is accurate, IEc cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 1)In order to promote international uniformity, IEC National Committees underta ke to apply IEc Publications ransparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter 5)IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to lEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies 6) All users should ensure that they have the latest edition of this publication 7 No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or ther damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees )and expenses arising out of the publication, use of, or reliance upon, this IEc Publication or any other IEC 8)Attention is drawn to the Normative references cited in this publication Use of the referenced publications is dispensable for the correct ap plication of this pu 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights International Standard IEc61375-2-5 has been prepared by lec technical committee 9 Electrical equipment and systems for railways The text of this standard is based on the following documents FD Report on voting 9/1933/FDlS 9/1961/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table This publication has been drafted in accordance with the iso/EC Directives, Part 2 8 EC61375-2-5:2014◎|EC2014 A list of all parts in the ec 61375 series, published under the general title Electronic railway quipment Train communication network(TCM), can be found on the lEc website The committee has decided that the contents of this publication will remain unchanged until thestabilitydateindicatedontheiecwebsiteunder"http://webstore.iecchinthedata related to the specific publication. At this date, the publication will be reconfirmed withdrawn replaced by a revised edition, or amended IMPORTANT -The 'colour inside logo on the cover page of this publication indicates that it contains colours which are considered to be useful for the correct understanding of its contents. Users should therefore print this document using a colour printer 【实例截图】
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