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Cloudflare frees up 100TB of RAM by shrinking 1.1.1.1's DNS cache entries — 250 billion cached DNS entries at any given time means one wasted byte costs 250GB (www.tomshardware.com)
submitted 2 months ago by to c/technology@lemmy.world
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[–] 38 points 2 months ago

Look up how Cloudflare does anycast BGP. They have servers in data centers everywhere and leverage the fact that they can all be 1.1.1.1 so people’s queries only hit the physically closest server, it’s pretty cool

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