The internet is surprisingly fragile, crashes thousands of times a year, and no one is making it stronger

By Vasileios Giotsas, The Conversation

Roman Samborskyi/Shutterstock

How could a small internet service provider (ISP) in Pennsylvania cause millions of websites worldwide to go offline? That's what happened on June 24, 2019 when users across the world were left unable to access a large fraction of the web. The root cause was an outage suffered by Cloudflare, one of the internet's leading content hosts on which the affected websites relied.

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