A Live Science article examines whether the entire global internet could ever shut down at once. Experts agree that the internet’s design, a decentralized “network of networks” with built-in redundancy and alternate data pathways, makes a total outage highly improbable. That structure lets data reroute around damaged components, so even if undersea cables, data centers, or major service providers go offline, the wider system keeps functioning.
George Cybenko, an engineering professor who studies information systems, explains that for a worldwide outage to occur, a vast number of critical infrastructure points would have to fail nearly simultaneously, an event so unlikely that it’s difficult to conceive. Smaller outages, by contrast, are relatively common: localized shutdowns happen when governments intentionally restrict connectivity during unrest, but these do not extend beyond national or regional borders and are reversible.
The way internet traffic travels helps protect its continuity. Messages break into tiny packets that take multiple possible routes to their destination, so damage or disruption in one segment doesn’t stop communication entirely. Even if a major cloud provider such as Cloudflare or Amazon Web Services experiences problems that ripple across many websites, the internet itself usually stays intact elsewhere.
Experts acknowledge that catastrophic events, such as a powerful solar storm that knocks out multiple undersea cables at once or a massive coordinated cyberattack on core infrastructure, could cause widespread outages that last days or weeks. But recovery plans, backup systems, and the internet’s distributed architecture stand in the way of a true global blackout.
The article notes that as society relies ever more on the internet for healthcare, power systems, and other critical services, ensuring that its infrastructure remains secure and resilient is essential. But existing evidence and expert opinion point to growth and redundancy adding strength, not fragility, to the worldwide network.