Pull to refresh
Logo
Daily Brief
Following
Why Sign Up
Jennifer Rexford

Jennifer Rexford

Professor of Computer Science, Princeton University

Appears in 1 story

Stories

Internet concentration risk

Built World

Expert commentator on internet architecture

On February 16, 2026, a single misconfigured routing update at Cloudflare's Ashburn, Virginia data center cascaded across the internet, taking down X for three hours, degrading Amazon Web Services' largest region, and disrupting thousands of websites globally. The error took 40 minutes to identify but four hours to fully resolve because corrupted routing tables had already spread to upstream providers worldwide.

Updated Feb 16