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HERMES: Heuristic Multi-queue Scheduler for TSN Time-Triggered Traffic with Zero Reception Jitter Capabilities

Fulltext:


Authors:

Daniel Bujosa Mateu, Mohammad Ashjaei, Alessandro Papadopoulos, Thomas Nolte, Julián Proenza

Research groups:

Complex Real-Time Embedded Systems
Heterogeneous systems - hardware software co-design

Publication Type:

Conference/Workshop Paper

Venue:

The 30th International Conference on Real-Time Networks and Systems

Publisher:

Association for Computing Machinery

DOI:

10.1145/3534879.3534906

Abstract

The Time-Sensitive Networking (TSN) standards provide a toolbox of features to be utilized in various application domains.The core TSN features include deterministic zero-jitter and low-latency data transmission and transmitting traffic with various levels of time-criticality on the same network. To achieve a deterministic transmission, the TSN standards define a time-aware shaper that coordinates transmission of Time-Triggered (TT) traffic. In this paper, we tackle the challenge of scheduling the TT traffic and we propose a heuristic algorithm, called HERMES. Unlike the existing scheduling solutions, HERMES results in a significantly faster algorithm run-time and a high number of schedulable networks. HERMES can be configured in two modes of zero or relaxed reception jitter while using multiple TT queues to improve the schedulability. We compare HERMES with a constraint programming (CP)-based solution and we show that HERMES performs better than the CP-based solution if multiple TT queues are used, both with respect to algorithm run-time and schedulability of the networks.

Bibtex

@inproceedings{Bujosa Mateu6446,
author = {Daniel Bujosa Mateu and Mohammad Ashjaei and Alessandro Papadopoulos and Thomas Nolte and Juli{\'a}n Proenza},
title = {HERMES: Heuristic Multi-queue Scheduler for TSN Time-Triggered Traffic with Zero Reception Jitter Capabilities},
isbn = {9781450396509},
pages = {70--80},
month = {June},
year = {2022},
booktitle = {The 30th International Conference on Real-Time Networks and Systems},
publisher = {Association for Computing Machinery},
url = {http://www.es.mdu.se/publications/6446-}
}