How does a network connect to other networks over WAN?


I mean in like how do we send a signal that could casted over to the other side of the world. Like do we send it to a satellite then send it back or do we send the signal on earth, I’m confused

In: Technology

7 Answers

Anonymous 0 Comments

As said in other comments, we use satellites and cables across the ocean floor (submarine cables). Submarine cables are far more reliable, have lower latency (how long it takes to travel – typically measured in milliseconds), have higher bandwidth (soda straw vs. a fire hose), and are typically unaffected by adverse weather.

Here is an worldwide interactive submarine cable map: [](

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