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A priority-aware multiqueue NIC design for real-time IoT devices

Authors: Ilja Behnke, Philipp Wiesner, Robert Danicki, Lauritz ThamsenAuthors Info & Claims

SAC '22: Proceedings of the 37th ACM/SIGAPP Symposium on Applied Computing

Pages 534 - 538

https://doi.org/10.1145/3477314.3507165

Published: 06 May 2022 Publication History

Abstract

Low-level embedded systems are used to control cyber-phyiscal systems in industrial and autonomous applications. They need to meet hard real-time requirements as unanticipated controller delays on moving machines can have devastating effects. Modern developments such as the industrial Internet of Things and autonomous machines require these devices to connect to large IP networks. Since Network Interface Controllers (NICs) trigger interrupts for incoming packets, real-time embedded systems are subject to unpredictable preemptions when connected to such networks.

In this work, we propose a priority-aware NIC design to moderate network-generated interrupts by mapping IP flows to processes and based on that, consolidates their packets into different queues. These queues apply priority-dependent interrupt moderation.First experimental evaluations show that 93 % of interrupts can be saved leading to an 80 % decrease of processing delay of critical tasks in the configurations investigated.

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Behnke IAustad H(2024)Real-Time Performance of Industrial IoT Communication Technologies: A ReviewIEEE Internet of Things Journal10.1109/JIOT.2023.333250711:5(7399-7410)Online publication date: 1-Mar-2024
https://doi.org/10.1109/JIOT.2023.3332507
Blumschein CBehnke IThamsen LKao O(2022)Differentiating Network Flows for Priority-Aware Scheduling of Incoming Packets in Real-Time IoT Systems2022 IEEE 25th International Symposium On Real-Time Distributed Computing (ISORC)10.1109/ISORC52572.2022.9812841(1-8)Online publication date: 17-May-2022
https://doi.org/10.1109/ISORC52572.2022.9812841

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A priority-aware multiqueue NIC design for real-time IoT devices
1. Networks

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SAC '22: Proceedings of the 37th ACM/SIGAPP Symposium on Applied Computing

April 2022

2099 pages

ISBN:9781450387132

DOI:10.1145/3477314

Conference Chairs:
Jiman Hong
Soongsil University
,
Miroslav Bures
Czech Technical University, Czechia
,
Program Chairs:
Juw Won Park
University of Louisville
,
Tomas Cerny
Baylor University

Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for third-party components of this work must be honored. For all other uses, contact the Owner/Author.

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Published: 06 May 2022

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SAC '22: The 37th ACM/SIGAPP Symposium on Applied Computing

April 25 - 29, 2022

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Behnke IAustad H(2024)Real-Time Performance of Industrial IoT Communication Technologies: A ReviewIEEE Internet of Things Journal10.1109/JIOT.2023.333250711:5(7399-7410)Online publication date: 1-Mar-2024
https://doi.org/10.1109/JIOT.2023.3332507
Blumschein CBehnke IThamsen LKao O(2022)Differentiating Network Flows for Priority-Aware Scheduling of Incoming Packets in Real-Time IoT Systems2022 IEEE 25th International Symposium On Real-Time Distributed Computing (ISORC)10.1109/ISORC52572.2022.9812841(1-8)Online publication date: 17-May-2022
https://doi.org/10.1109/ISORC52572.2022.9812841

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A hardware time manager implementation for the Xenomai real-time kernel of embedded Linux

A Real-Time Operating System for Physical and Logical Time-Triggered Distributed Computing

Virtual machines for distributed real-time systems

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A hardware time manager implementation for the Xenomai real-time kernel of embedded Linux

A Real-Time Operating System for Physical and Logical Time-Triggered Distributed Computing

Virtual machines for distributed real-time systems

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