Mootaz Elnozahy

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The following report summarizes the proceedings of a three-and-a-half day inter-agency workshop focused on the technical challenges of HPC resilience in the 2020 Exascale timeframe. The resilience problem is not specific to any particular program or agency; coordinated resilience solutions will be challenging because of the need for a truly integrated(More)
This survey covers rollback-recovery techniques that do not require special language constructs. In the first part of the survey we classify rollback-recovery protocols into checkpoint-based and log-based. Checkpoint-based protocols rely solely on checkpointing for system state restoration. Checkpointing can be coordinated, uncoordinated, or(More)
Overview Authors are invited to submit position papers to the Seventh Workshop on Hot Topics in System Dependability (HotDep '11). The workshop will be co‐located with the 41st Annual IEEE/IFIP International Conference on Dependable Systems and Networks (DSN'11), to be held June 27‐ 30, 2011. HotDep '11 will bring forth cutting‐edge research ideas spanning(More)
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