Switch test method of train communication network based on Ethernet

YANG Peng

doi:10.13890/j.issn.1000-128X.2022.01.020

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Switch test method of train communication network based on Ethernet

Electric Traction and Control | 更新时间：2024-08-02

- Switch test method of train communication network based on Ethernet
- Electric drive for locomotives Issue 1, Pages: 120-126(2022)
- 作者机构：
  
  中铁检验认证中心有限公司，北京 100015
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128X.2022.01.020
  CLC： TN915
- Published：10 January 2022，
  
  Received：16 April 2020，
  
  Revised：18 May 2021，
- 稿件说明：
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YANG Peng. Switch test method of train communication network based on Ethernet. [J]. Electric drive for locomotives (1):120-126(2022)
DOI：

YANG Peng. Switch test method of train communication network based on Ethernet. [J]. Electric drive for locomotives (1):120-126(2022) DOI： 10.13890/j.issn.1000-128X.2022.01.020.

摘要

交换机作为基于以太网的列车通信网数据汇聚和存储转发的节点，是列车网络通信和控制的核心设备。通过分析基于列车通信网络拓扑和基于以太网的列车控制、诊断应用需求，总结以太网列车骨干网（ETB）和以太网编组网（ECN）交换机应提供的服务，提出了一种可覆盖ETB交换机和ECN交换机物理层、数据链路层、网络层、传输层和应用层功能与性能的测试方法，其中针对物理层采用基于机车车辆电子产品通用测试方法，而对数据链路层和网络层采用通用吞吐量、时延和背靠背测试，以及列车通信网络对服务质量（QoS）、地址解析协议（ARP）要求测试，传输层和应用层采用端到端测试和Internet组管理协议（IGMP）测试和简单网络管理协议（SNMP）测试，并给出了详细的测试配置和步骤。测试方法可满足基于以太网的列车通信网络对交换机实时性、安全性和可靠性的要求。最后以车载ECN管理型编组交换机为例介绍了测试评价方案，方案可以完全满足该型号交换机2层/3层接口性能测试需求，满足列车通信网络中各类过程数据、消息数据、尽力而为数据（best effort data）传输的测试需求和相关协议支持性能测试需求。通过对试验方法的标准化，对以太网交换机性能一致性控制提出一种新的解决方法。

Abstract

As the node of train network data gathering

storage and transmit which based on Ethernet

switches have been the core equipment of train network communication and control. By analyzing the application requirements of train control and diagnosis based on train communication network topology and Ethernet

and concluding the services to be provided by ETB and ECN switches

a function and performance test method for ETB switch and ECN switch was raised

which could cover the physical layer

data link layer

the network layer

the transport layer and the application layer. The physical layer was based on the general test method of electronic products of the rolling stock. The data link layer and network layer adopted throughput

latency

back-to-back tests

and tests based on the requirement of QoS and ARP. The transport layer and the application layer adopted end-to-end data communication test

IGMP test and SNMP test

with the detailed test configuration and steps. The test method could meet the requirements of real-time

security and reliability of switches in TCN based on Ethernet. At last

taking an ECN managed consist switch as an example

the test evaluation scheme was introduced. The scheme fully met the performance testing requirements of the layer 2 or layer 3 switches interface test. It also met the test requirements of process data

message data

best effort data transmission in the train network

and the test requirements of related protocols. By standardizing the test method

a new solution for Ethernet switch performance consistency control was provided.

关键词

列车通信网络交换机ETBECN以太网列车骨干网以太网编组网吞吐量传输层测试

Keywords

train communication networkswitchethernet train backboneethernet consist networkthroughputtransport layer test

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