<p><a href="https://www.deccanherald.com/international/the-guardian-cnn-other-global-media-websites-down-995172.html" target="_blank">Swathes of the internet remained unavailable</a> on Tuesday after an apparent widespread outage at the cloud service company, Fastly.</p>.<p>Visitors trying to access CNN.com got a message that said: "Fastly error: unknown domain: cnn.com." and similar errors were reported across various affected websites.</p>.<p>Down Detector, which tracks internet outages, said: "Reports indicate there may be a widespread outage at Fastly, which may be impacting your service."</p>.<p><strong>What is Fastly?</strong></p>.<p>Fastly is a cloud computing service provider widely used by dozens of high-traffic websites, including but not limited to <em>The New York Times</em>, <em>CNN</em>, Twitch and the UK government's website.</p>.<p>It operates an edge cloud platform that brings websites to servers closer to those accessing trying to access it. So, if you are in India and trying to access a website hosted in the United States, the company brings some of the content on the website to a server located closer to you, optimising website load times and high-payload content. This network is also called a Content Delivery Network.</p>.<p><strong>What went wrong?</strong></p>.<p>Fastly, on its <a href="https://status.fastly.com/incidents/vpk0ssybt3bj" target="_blank">status update webpage</a>, said at 1000 UTC that the company was investigating a "potential impact to performance" with their CDN services. At 1044 UTC, the company said that they had identified the issue and a fix was implemented.</p>.<p>"We identified a service configuration that triggered disruptions across our POPs globally and have disabled that configuration. Our global network is coming back online," the company said on Twitter.</p>.<p>At 1057 UTC, the company said a fix had been applied and that customers may experience increased origin load as global services return.</p>.<p><strong>Why did it affect so many websites?</strong></p>.<p>The service provider sits between back-end web servers and the users, hence any issues with the service will cause entire websites to remain inaccessible to consumers.</p>.<p>(<em>With inputs from agencies</em>)</p>.<p><strong>Check out DH latest videos:</strong></p>
<p><a href="https://www.deccanherald.com/international/the-guardian-cnn-other-global-media-websites-down-995172.html" target="_blank">Swathes of the internet remained unavailable</a> on Tuesday after an apparent widespread outage at the cloud service company, Fastly.</p>.<p>Visitors trying to access CNN.com got a message that said: "Fastly error: unknown domain: cnn.com." and similar errors were reported across various affected websites.</p>.<p>Down Detector, which tracks internet outages, said: "Reports indicate there may be a widespread outage at Fastly, which may be impacting your service."</p>.<p><strong>What is Fastly?</strong></p>.<p>Fastly is a cloud computing service provider widely used by dozens of high-traffic websites, including but not limited to <em>The New York Times</em>, <em>CNN</em>, Twitch and the UK government's website.</p>.<p>It operates an edge cloud platform that brings websites to servers closer to those accessing trying to access it. So, if you are in India and trying to access a website hosted in the United States, the company brings some of the content on the website to a server located closer to you, optimising website load times and high-payload content. This network is also called a Content Delivery Network.</p>.<p><strong>What went wrong?</strong></p>.<p>Fastly, on its <a href="https://status.fastly.com/incidents/vpk0ssybt3bj" target="_blank">status update webpage</a>, said at 1000 UTC that the company was investigating a "potential impact to performance" with their CDN services. At 1044 UTC, the company said that they had identified the issue and a fix was implemented.</p>.<p>"We identified a service configuration that triggered disruptions across our POPs globally and have disabled that configuration. Our global network is coming back online," the company said on Twitter.</p>.<p>At 1057 UTC, the company said a fix had been applied and that customers may experience increased origin load as global services return.</p>.<p><strong>Why did it affect so many websites?</strong></p>.<p>The service provider sits between back-end web servers and the users, hence any issues with the service will cause entire websites to remain inaccessible to consumers.</p>.<p>(<em>With inputs from agencies</em>)</p>.<p><strong>Check out DH latest videos:</strong></p>