Safety critical networks using commodity SDNs
Kashinath, Ashish Hasan, Monowar Kumar, Rakesh Mohan, Sibin Bobba, Rakesh B. Padhy, Smruti
Kashinath, Ashish
Hasan, Monowar
Kumar, Rakesh
Mohan, Sibin
Bobba, Rakesh B.
Padhy, Smruti
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Advisors
Original Date
Digitization Date
Issue Date
2021-05-05
Type
Conference paper
Genre
Keywords
Substations,Runtime,Switches,Aerospace electronics,Hardware,Software,Timing
Subjects (LCSH)
Citation
Kashinath, 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/INFOCOM42981.2021.9488708
Abstract
Safety-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.
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Publisher
IEEE
Journal
Book Title
Series
IEEE INFOCOM 2021 - IEEE Conference on Computer Communications;
Digital Collection
Finding Aid URL
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Archival Collection
PubMed ID
DOI
ISSN
2641-9874
0743-166X
0743-166X