How to Move 1,000 TB from Nanjing to Beijing: Network Math vs. Human Courier

An interview question explores the fastest way to transfer a 1,000 TB dataset from Nanjing to Beijing, comparing high‑speed network links, their costs and transfer times, with a practical, low‑cost solution of physically shipping hard‑drive containers by high‑speed rail.

Data TransferLogisticsNetwork Bandwidth

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