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Explainers: Internet infrastructure

One orange route line splitting toward three dark server locations beside the headline "One address. Many places."
Anycast ·

Anycast Explained: How One IP Address Reaches Many Places

How one IP address can route requests to servers in different locations.

DNS ·

How DNS Works, and Why It Shows Up in So Many Outages

How a name becomes an address, why caching makes failures uneven, and the three ways DNS breaks in real outages.

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