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Work-in-Progress: A Hot-Patching Protocol for Repairing Time-Triggered Network Schedules
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0002-1228-5176
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0002-4987-7669
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0002-7235-6888
2018 (English)In: 24TH IEEE REAL-TIME AND EMBEDDED TECHNOLOGY AND APPLICATIONS SYMPOSIUM (RTAS 2018) / [ed] Pellizzoni, R, 2018, p. 89-92Conference paper, Published paper (Refereed)
Abstract [en]

Time-Triggered communication is based on generating an offfine static schedule that guarantees frame transmissions with reduced latency and low jitter. However, static schedules are not adaptive: if some unpredicted event happens, like a link failure, the schedule is not valid anymore and a new one needs to be synthesized from scratch. This paper presents a novel hot-patching protocol which seeks, after a link failure disconnecting two nodes, to find a new path to reconnect both nodes and restore during run-time the affected part of the schedule. We also introduce the concept of reparability as a desired property of the schedule, which increases the probability of our protocol to succeed. The first evaluation shows that our hot-patching protocol can recover from a link failure consistently in less than 25ms.

Place, publisher, year, edition, pages
2018. p. 89-92
Series
IEEE Real-Time and Embedded Technology and Applications Symposium, ISSN 1545-3421
National Category
Computer Systems
Identifiers
URN: urn:nbn:se:mdh:diva-40937DOI: 10.1109/RTAS.2018.00015ISI: 000443421100009Scopus ID: 2-s2.0-85058458750ISBN: 978-1-5386-5295-4 (print)OAI: oai:DiVA.org:mdh-40937DiVA, id: diva2:1248079
Conference
24th IEEE Real-Time and Embedded Technology and Applications Symposium (RTAS), APR 11-13, 2018, Porto, PORTUGAL
Available from: 2018-09-13 Created: 2018-09-13 Last updated: 2019-01-04Bibliographically approved

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Pozo, FranciscoRodriguez-Navas, GuillermoHansson, Hans

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