Internet shutdowns, and how governments do it - TechCentral

of internet access disruptions and censorship in various African countries. This includes understanding how shutdowns work. It’s important to understand the complex technicalities behind internet shutdowns, for at least two reasons.

Different forms of shutdowns require different levels of technical sophistication. More sophisticated forms are harder to detect and attribute.Every device connected to the internet, whether it’s your computer or smartphone, or any other device, has an IP address assigned to it. This allows it to send and receive data across the network.

These autonomous systems rely on protocols – called border gateway protocols – to coordinate routing between them. Each system uses the protocol to communicate with other systems and exchange information about which internet routes they can use to reach different destinations .

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