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- W2955296072 abstract "Scientific applications generate large volumes of data that often needs to be moved between geographically distributed sites for collaboration or backup which has led to a significant increase in data transfer rates. As an increasing number of scientific applications are becoming sensitive to silent data corruption, end-to-end integrity verification has been proposed. It minimizes the likelihood of silent data corruption by comparing checksum of files at the source and the destination using secure hash algorithms such as MD5 and SHA1. In this paper, we investigate the robustness of existing end-to-end integrity verification approaches against silent data corruption and propose a Robust Integrity Verification Algorithm (RIVA) to enhance data integrity. Extensive experiments show that unlike existing solutions, RIVA is able to detect silent disk corruptions by invalidating file contents in page cache and reading them directly from disk. Since RIVA clears page cache and reads file contents directly from the disk, it incurs delay to execution time. However, by running transfer, cache invalidation, and checksum operations concurrently, RIVA is able to keep its overhead below 15% in most cases compared to the state-of-the-art solutions in exchange of increasing the robustness to silent data corruption. We also implemented dynamic transfer and checksum parallelism to overcome performance bottlenecks and observed more than 5x increase in RIVA's speed." @default.
- W2955296072 created "2019-07-12" @default.
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- W2955296072 date "2019-05-01" @default.
- W2955296072 modified "2023-10-16" @default.
- W2955296072 title "Towards Securing Data Transfers Against Silent Data Corruption" @default.
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- W2955296072 doi "https://doi.org/10.1109/ccgrid.2019.00040" @default.
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