Graduate Thesis Or Dissertation
 

Meeting End-to-End Deadlines in Real-Time Networks Using Software Defined Networking (SDN)

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/5q47rw650

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  • Network flows in Real-Time (RT) systems need to meet stringent end-to-end deadlines in order for such systems to operate safely and reliably. Today, such systems use custom or domain specific network system designs to meet end-to-end deadlines and other constraints of real-time flows. In this work we explore the design of real-time networks using common-off-the-shelf (COTS) components by leveraging Software-Defined Networking (SDN) paradigm. In particular, we explore the effectiveness of using i) spatially varying but locally static flow priorities and ii) the impact of using Least-Slack Prioritization on the performance of network path layout and provisioning algorithms. Specifically, we propose different heuristics for spatial variation of static flow priorities in a real-time network and empirically show that spatial variation of priorities can accommodate more real-time flows than simple static priorities. Further, we show that least-slack based flow priority assignment performs better than deadline monotonic priority assignment for multiple path layout algorithms considered in this work.
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  • Pending Publication
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  • 2021-03-22 to 2022-04-23

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