Professor Ravishankar Iyer's acceptance of the Jean-Claude Laprie Award for 2021 presented at DSN21 on behalf of himself and co-authors; David Rossetti, and Mei-Chen Hsueh.  The paper is titled "Measurement and modeling of computer reliability as affected by system activity" and was published in ACM Transactions on Computer Systems in 1986. https://doi.org/10.1145/6420.6422