Light is the fastest communication medium that we know. It takes light a few milliseconds to travel across farthest points on Earth. To be precise in 1 second light can circle around earth 7.5 times.
Internet on Earth works on light. It’s fast and reliable.
Suppose we we’re to set up an internet connection between earth and a station on Sun. Then we’ll be having a latency of about 8 minutes between the two points. Because that’s the amount of time light takes to travel from sun to earth.
It would be a very frustrating experience to communicate back and forth,to say the least. There will be far more timeouts than data transfers.
If we get a bit more ambitions and set an internet in our solar system then end to end latency would be about 4 hours. That’s how much time it takes for light from Sun to Neptune. One positive outcome however is that with such a bad connection the customers won’t even bother to call in for support!
If we persist and manage to wire entire milky way it our end to end latency will rise even higher to a 100K years. Mere mortals like you and me won’t even live to see the delivery receipt of our what’s app messages. Forget about a reply.
Intergalactic internet would require signals to travel millions of light years. With our current technology the communication will be so slow that it might as well have not taken place.
We need a technological breakthrough to be able to communicate over such long distances.
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