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Leveraging PIFO Queues for Scheduling in Time-Sensitive Networks

Author:Christoph Gärtner, Amr Rizk, Boris Koldehofe, René Guillaume, Ralf Kundel, Ralf Steinmetz
Date:July 2021
Kind:In proceedings - use for conference & workshop papers
Book title:Proceedings of 2021 IEEE International Symposium on Local and Metropolitan Area Networks (LANMAN)
Keywords:TSN, IEEE802.1Qbv, PIFO, scheduling
Abstract:Time-Sensitive Networking emerged as a convergent Ethernet-based real-time networking standard for industrial applications. To support real-time, jitter-free isochronous traffic the corresponding TSN mechanism denoted Time Aware Shaper requires special hardware support. In this work, we propose a path to building TSN networks on top of programmable switches. Specifically, we show here how to leverage a data structure amenable to programmable data planes known as Push-in First-out (PIFO) queue to support TSN traffic scheduling for isochronous real-time, as well as, best effort traffic.
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