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Explore a white-box networking approach for multi-tenant data centers in this conference talk from NSDI '22. Dive into NetHint, an interactive mechanism designed to enhance application performance by bridging the gap between cloud providers and tenants. Learn how NetHint provides indirect indications of underlying network characteristics, allowing data-intensive applications to adapt their transfer schedules accordingly. Discover the benefits of this approach, including improved performance for allreduce, broadcast, and MapReduce shuffle operations. Examine the design considerations, implementation details, and evaluation results that demonstrate NetHint's effectiveness in resolving the mismatch between black-box networking abstractions and adaptive data-intensive applications in cloud environments.
