Instruction: Explain how communication efficiency affects Federated Learning and propose methods to enhance communication efficiency.
Context: This question evaluates the candidate’s understanding of the crucial role that communication plays in Federated Learning and their ability to optimize communication protocols and strategies.
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The way I'd explain it in an interview is this: Communication efficiency is one of the core bottlenecks in federated learning because every training round depends on sending model information across unreliable and often bandwidth-limited clients. If communication is too expensive,...
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