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Design and Experimental Evaluation of the Proactive Transmission of Replicated Frames Mechanism over Time-Sensitive Networking

Authors:

Ines Alvarez, Ignasi Furio , Julián Proenza , Manuel Barranco

Publication Type:

Journal article

Venue:

Sensors Journal

DOI:

https://doi.org/10.3390/s21030756


Abstract

In recent years the Time-Sensitive Networking (TSN) Task Group (TG) has been working on proposing a series of standards to provide Ethernet with hard real-time guarantees, online management of the traffic and fault tolerance mechanisms. In this way the TG expects to create the network technology of future novel applications with real-time and reliability requirements. TSN proposes using spatial redundancy to increase the reliability of Ethernet networks, but using spatial redundancy to tolerate temporary faults is not a cost-effective solution. For this reason, we propose to use time redundancy to tolerate temporary faults in the links of TSN-based networks. Specifically, we have proposed the Proactive Transmission of Replicated Frames (PTRF) mechanism, which consists in transmitting several copies of each frame in a preventive manner. In this article we present for the first time a detailed description of the mechanism, with the three different approaches we have designed. We also present the implementation of PTRF in a real TSN prototype. Furthermore, we carry out a qualitative comparison of the different approaches of the mechanism and we experimentally evaluate the approaches of the mechanism in a quantitative manner from three perspectives: the end-to-end delay, the jitter and the bandwidth consumption.

Bibtex

@article{Alvarez6439,
author = {Ines Alvarez and Ignasi Furio and Juli{\'a}n Proenza and Manuel Barranco},
title = {Design and Experimental Evaluation of the Proactive Transmission of Replicated Frames Mechanism over Time-Sensitive Networking},
volume = {18},
number = {4},
month = {January},
year = {2021},
journal = {Sensors Journal},
url = {http://www.es.mdh.se/publications/6439-}
}