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Priority Based Ethernet Handling in Real-Time End System with Ethernet Controller Filtering

Fulltext:


Publication Type:

Conference/Workshop Paper

Venue:

48th Annual Conference of the Industrial Electronics Society


Abstract

This work addresses the impact of best-effort traffic on network-dependent real-time functions in end systems. Motivated by the increased Ethernet use in real-time dependent domains, such as the automation industry—a growth driven by Industry 4.0, interconnectivity desires, and data thirst. Ethernet allows different network-based functions to converge on one physical network infrastructure. In the automation domain, converged networks imply that functions with different criticality and real-time requirements coexist and share the same physical resources. The IEEE 60802 Time-Sensitive Networking profile for Industrial Automation targets the automation industry and addresses Ethernet network determinism on converged networks. However, the profile is a draft when writing this paper. Meanwhile, Ethernet already provides attributes utilized by network equipment to prioritize time-critical communication. This paper shows that Ethernet Controller filtering with prioritized processing is a prominent solution for preserving real-time guarantees while supporting best-effort traffic. A solution capable of eliminating all best-effort traffic interference in the real-time application is exemplified and evaluated on a VxWorks system.

Bibtex

@inproceedings{Johansson6502,
author = {Bjarne Johansson and Mats R{\aa}gberger and Thomas Nolte and Alessandro Papadopoulos},
title = {Priority Based Ethernet Handling in Real-Time End System with Ethernet Controller Filtering},
month = {October},
year = {2022},
booktitle = {48th Annual Conference of the Industrial Electronics Society},
url = {http://www.es.mdh.se/publications/6502-}
}