From UPSC perspective, the following things are important :
Prelims level : Content delivery network (CDN)
Mains level : Need for data localization
Several big websites around the world went down for about half an hour because of a major issue with the content delivery network (CDN) of American cloud computing services provider Fastly.
Global internet outage: Which websites were affected?
- com, Reddit, Twitch, Spotify, Pinterest, Stack Overflow, GitHub, gov.uk, Hulu, HBO Max, Quora, PayPal, Vimeo and Shopify are some of the big names.
- Prominent news websites impacted were the Financial Times, the Guardian, the New York Times, CNN, and Verge, to name some.
- Most users would have seen a 503 error when trying to access these websites, indicating that the browser was not able to access the server.
What is Fastly?
- Fastly is a cloud computing services provider, which offers CDN, edge computing, cloud storage services.
- All of its geographies, including the three stations it has in India — Chennai, Mumbai and New Delhi — were suffering from “Degraded Performance”.
Answer this PYQ from CSP 2018:
Q.The terms ‘WannaCry, Petya, Eternal Blue’ sometimes mentioned news recently are related to
(b) Crypto currency
(c) Cyber attacks
(d) Mini satellites
What is a CDN?
- A CDN refers to a geographically distributed group of servers that work together to provide fast delivery of Internet content.
- They house content close to the telecom service providers’ networks.
- Majority of web traffic across the world today is routed through CDNs.
- Platforms such as Netflix, Facebook, Amazon — ones with large quantities of data held in global libraries — host their geographically relevant content closer to where that content is to be consumed.
- This ensures the end customer is able to access the content faster.
- Another reason companies rely on these CDNs is to help protect their sites against traffic spikes, distributed denial of service (DDOS) attacks, etc.