No Stupid Questions@lemmy.world · 8 months ago

How does data sent over the internet know where to go?

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How does data sent over the internet know where to go?

OmegaMouse@pawb.social to

No Stupid Questions@lemmy.world · 8 months ago

I saw a map of undersea internet cables the other day and it’s crazy how many branches there are. It got me wondering - if I’m (based in the UK) playing an online game from someone in Japan for example, how is the route worked out? Does my ISP know that to get to place X, the data has to be routed via cable 1, cable 2 etc. but to get to place Z it needs to go via cable 3, 4?

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8 months ago

So, the internet is both fragile and resilient. It can route around damage, but cannot deal with mistakes/maliciousness above a certain “ring” of control.

and this kids, is why we don’t like cloudflare, and DNS services.

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