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dc.contributor.authorKashinath, Ashish
dc.contributor.authorHasan, Monowar
dc.contributor.authorKumar, Rakesh
dc.contributor.authorMohan, Sibin
dc.contributor.authorBobba, Rakesh B.
dc.contributor.authorPadhy, Smruti
dc.identifier.citationKashinath, A., Hasan, M., Kumar, R., Mohan, S., Bobba, R. B., & Padhy, S. (2021). Safety critical networks using commodity SDNs. Paper presented at the Proceedings - IEEE INFOCOM, , 2021-May doi:10.1109/INFOCOM42981.2021.9488708en_US
dc.descriptionClick on the DOI link to access this conference paper at the publishers website (may not be free).en_US
dc.description.abstractSafety-critical networks often have stringent real-time requirements; they must also be resilient to failures. In this paper, we propose the RealFlow framework that uses commodity software-defined networks (SDNs) to realize networks with end-to-end timing guarantees, while also: (a) increasing resiliency against link/switch failures and (b) increasing network utilization. The use of SDNs in this space also improves the management capabilities of the system due to the global visibility into the network. RealFlow is implemented as a northbound SDN controller application compatible with standard OpenFlow protocols with little to no runtime overheads. We demonstrate feasibility on a real hardware testbed (Pica8 SDN switches+Raspberry Pi endhosts) and a practical avionics case study. Our evaluations show that RealFlow can accommodate 63% more network flows with safety-critical guarantees when compared to current designs and up to 18% when link resiliency (via backup paths) is also considered.en_US
dc.description.sponsorshipThis paper is supported in part by U.S. Department of Energy (DoE) award DE-OE0000780 and National Science Foundation award NSF CPS 1544901. Any findings, opinions, recommendations or conclusions expressed in the paper are those of the authors and do not necessarily reflect the views of sponsors. We also thank Prof. Radhika Mittal, UIUC, for her detailed feedback. §The authors contributed equally to this work. 1As opposed to our techniques that can be implemented right now using multiple, commercially-available SDN switches.en_US
dc.relation.ispartofseriesIEEE INFOCOM 2021 - IEEE Conference on Computer Communications;
dc.subjectAerospace electronicsen_US
dc.titleSafety critical networks using commodity SDNsen_US
dc.typeConference paperen_US
dc.rights.holderCopyright © 2021, IEEEen_US

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