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.
@InProceedings{dobrin_et_al:OASIcs.CERTS.2019.5, author = {Dobrin, Radu and Desai, Nitin and Punnekkat, Sasikumar}, title = {{On Fault-Tolerant Scheduling of Time Sensitive Networks}}, booktitle = {4th International Workshop on Security and Dependability of Critical Embedded Real-Time Systems (CERTS 2019)}, pages = {5:1--5:12}, series = {Open Access Series in Informatics (OASIcs)}, ISBN = {978-3-95977-119-1}, ISSN = {2190-6807}, year = {2019}, volume = {73}, editor = {Asplund, Mikael and Paulitsch, Michael}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/OASIcs.CERTS.2019.5}, URN = {urn:nbn:de:0030-drops-108965}, doi = {10.4230/OASIcs.CERTS.2019.5}, annote = {Keywords: Time sensitive networks(TSN), Fault-tolerant schedule, Time redundancy} }
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