A Dynamic Linear Hashing Method for Redundancy Management in Train Ethernet Consist Network

Author:

Nie Xiaobo1,Wang Lide1,Wang Baohua1,Liu Biao1,Shen Ping1

Affiliation:

1. School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China

Abstract

Massive transportation systems like trains are considered critical systems because they use the communication network to control essential subsystems on board. Critical system requires zero recovery time when a failure occurs in a communication network. The newly published IEC62439-3 defines the high-availability seamless redundancy protocol, which fulfills this requirement and ensures no frame loss in the presence of an error. This paper adopts these for train Ethernet consist network. The challenge is management of the circulating frames, capable of dealing with real-time processing requirements, fast switching times, high throughout, and deterministic behavior. The main contribution of this paper is the in-depth analysis it makes of network parameters imposed by the application of the protocols to train control and monitoring system (TCMS) and the redundant circulating frames discarding method based on a dynamic linear hashing, using the fastest method in order to resolve all the issues that are dealt with.

Funder

Fundamental Research Funds for the Central Universities

Publisher

Hindawi Limited

Subject

General Engineering,General Mathematics

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2. Design and Implementation of Industrial Real-Time Ethernet Redundant Network Based on Parallel Redundancy Protocol;2023 3rd International Conference on Computer Science, Electronic Information Engineering and Intelligent Control Technology (CEI);2023-12-15

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