I just recently found out that routers connect you to the internet, but then I found out that ISPs also connect you do the internet. Can someone explain to me what really happens behind the scenes? Why do we need ISPs if our routers can connect to the internet by themselves?
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the ISPs own whats called “backbone hardware”, which is the hardware that makes up critical connections on the internet.
Now then, you and your neighbour could agree to rig up your routers into an intra-net, but without a connection into these backbone routes that are owned by the ISPs, you wouldnt be able to reach any other networks.
If one of you in this neighbourhood intranet did have a connection through an ISP, you could point all of the routers in your intranet to his router as the internet gateway, and that would probably be the closest thing to “directly plugging into the internet” thats possible (although its usually against the ISPs rules).
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