Sold Twice, Delivered Once: The Deliberate Math Behind Network Oversubscription
Internet service providers routinely sell more bandwidth than their networks can physically deliver, relying on statistical models that assume customers will never all demand their promised speeds at once. When those assumptions collapse — as they do every evening across the United States — the consequences ripple through home offices, living rooms, and critical business connections alike. Understanding the engineering logic behind oversubscription is the first step toward demanding better from