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Late last night, popular social media platform Facebook and all its subsidiaries, including WhatsApp, Messenger, and Instagram, suffered a global outage that lasted nearly six hours. Here's what caused the outage. #facebookdown #WhatsappOutage
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Initial speculation suggested the issue was caused by a Domain Name System (DNS) issue. This is because the DNS is like the internet's phonebook. It links URLs and hostnames in your browser's address bar to the correct IP address where the website/webpage is hosted.
However, experts suggested that DNS is just the symptom and the underlying issue is Border Gateway Protocol (BGP) routing. The BGP routing system gives information the correct routes to take on the data superhighway.
