Internet outage:-

  • An Internet outage or Internet blackout is a total or partial failure of the internet services. This may occur due to censorship, cyber-attacks, natural disasters, police or security actions, or as an error.


  • The word CDN refers to a geographically distributed group of servers that work together to provide fast delivery of online content. They are placed on the site and are not far from the operator’s network. The majority of the traffic in the software world today is being led through the CDN.

How did this happen?

  • The Company named Fastly Inc. which is responsible for this major global internet outage of 2021 said on Wednesday that it happened due to a software bug that was provoked when one of its customers changed their settings. “This outage was broad and severe, and we are truly sorry for the impact on our customers and everyone who relies on them,” the company said in a blog post written by Nick Rockwell, head of energy and infrastructure of the executive. The company Fastly operates a group of servers that are strategically placed around the globe in terms to help customers transfer and store content close to their end-users speedily and safely. The company has promised to examine and explain why they had failed to detect the software flaw during its testing process. They turned off the settings that are causing the problem, and a majority of the company’s network recovered in no time. Its network has fully recovered from 1235 GMT, and began to roll out a permanent fix program, in 1725 GMT Fastly said.

Who was affected?

  • Fastly’s software bug took down the websites with high traffic including news providers such as The Guardian and The New York Times, as well as Reddit, Twitch, Spotify, Pinterest,, Stack Overflow, GitHub, HBO Max, Quora, PayPal also some areas of the BRITISH government are in the list. Most of the users are may have seen a 503 error when trying to access these sites are reporting that the browser is not able to gain access to the server.

By Vedant Soni

Campus Ambassador, at WCSF

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