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- W2149363054 abstract "In this paper, we present r-kernel, an operating system kernel foundation specifically designed to improve software reliability in networked embedded systems. The key novelty of r-kernel lies in that it exploits the time dimension of software execution to improve robustness. Specifically, r-kernel keeps track of the execution of applications through checkpoints. If one application has been determined to have failed, r-kernel performs rollback operations to restore its state to one of those checkpoints created earlier. For the second round of operation, r-kernel provides a safe mode environment to avoid triggering the same bugs. Finally, if the whole system has crashed, r-kernel relies on watchdog timers to reset the node, and develops a technique called past-run trace reconstruction to locate and report the thread that had caused the system failure. We have implemented r-kernel based on the LiteOS operating system kernel running on the popular MicaZ platform. We demonstrate that it achieves the desired goals above with acceptable overhead." @default.
- W2149363054 created "2016-06-24" @default.
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- W2149363054 date "2011-04-01" @default.
- W2149363054 modified "2023-10-16" @default.
- W2149363054 title "r-Kernel: An operating system foundation for highly reliable networked embedded systems" @default.
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- W2149363054 doi "https://doi.org/10.1109/infcom.2011.5935074" @default.
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