Congestion Avoidance and Control (1988) by Van Jacobson: https://ee.lbl.gov/papers/congavoid.pdf https://ee.lbl.gov/papers/congavoid.pdf Often called "the pape

Congestion Avoidance and Control (1988) by Van Jacobson: https://ee.lbl.gov/papers/congavoid.pdf https://ee.lbl.gov/papers/congavoid.pdf Often called "the paper which saved the internet" due to solving congestion collapse on the ARPANET, and inventing the fundamentals of TCP Congestion Control still used countless times every single day on all computers everywhere. It's very readable and presents complex math in easily understood graphs for non-math people.