In this episode, we chat with Anastasiia Kozar about her research on fault tolerance in resource-constrained environments. As IoT applications leverage sensors, edge devices, and cloud infrastructure, ensuring system reliability at the edge poses unique challenges. Unlike the cloud, edge devices operate without persistent backups or high availability standards, leading to increased vulnerability to failures. Anastasiia explains how traditional methods fall short, as they fail to align resource allocation with fault tolerance needs, often resulting in system underperformance.

To address this, Anastasiia introduces a novel resource-aware approach that combines operator placement and fault tolerance into a unified process. By optimizing where and how data is backed up, her solution significantly improves system reliability, especially for low-end edge devices with limited resources. The result? Up to a tenfold increase in throughput compared to existing methods. Tune to learn more!

Links:

• Fault Tolerance Placement in the Internet of Things [SIGMOD'24]
• The NebulaStream Platform: Data and Application Management for the Internet of Things [CIDR'20]
• nebula.stream

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