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On Fault-Tolerant Scheduling of Time Sensitive Networks

Authors Radu Dobrin, Nitin Desai , Sasikumar Punnekkat

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Author Details

Radu Dobrin
  • Mälardalen University, Västerås, Sweden
Nitin Desai
  • Mälardalen University, Västerås, Sweden
Sasikumar Punnekkat
  • Mälardalen University, Västerås, Sweden

Funding

The research leading to these results has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No. 764785, FORA-Fog Computing for Robotics and Industrial Automation.

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Radu Dobrin, Nitin Desai, and Sasikumar Punnekkat. On Fault-Tolerant Scheduling of Time Sensitive Networks. In 4th International Workshop on Security and Dependability of Critical Embedded Real-Time Systems (CERTS 2019). Open Access Series in Informatics (OASIcs), Volume 73, pp. 5:1-5:12, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2019) https://doi.org/10.4230/OASIcs.CERTS.2019.5

Abstract

Time sensitive networking (TSN) is gaining attention in industrial automation networks since it brings essential real-time capabilities at the data link layer. Though it can provide deterministic latency under error free conditions, TSN still largely depends on space redundancy for improved reliability. In many scenarios, time redundancy could be an adequate as well as cost efficient alternative. Time redundancy in turn will have implications due to the need for over-provisions needed for timeliness guarantees. In this paper, we discuss how to embed fault-tolerance capability into TSN schedules and describe our approach using a simple example.

Subject Classification

ACM Subject Classification
  • Computer systems organization → Dependable and fault-tolerant systems and networks
Keywords
  • Time sensitive networks(TSN)
  • Fault-tolerant schedule
  • Time redundancy

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