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SpaceX Starlink average speedtest is 42.3Mbps down / 9.7 Mbps up

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Re: SpaceX Starlink average speedtest is 42.3Mbps down / 9.7 Mbps up

#42

Earlier quoted context omitted.

30-100ms is better than I feared, and should be generally reasonable for most uses.

anything above 100 ms is starting to get into unusable territory for quite a few applications

Count yourself lucky you don't live in either South America, Africa or Asia, where +100ms latency is more common than not. Fortunately I can count on one hand the applications that don't work with +100ms latency (not counting gaming). Usually it's the fault of the application developers (or rather the infrastructure team) where they put too low timeouts for requests rather than letting the requests go for a bit longer.

Sub 100ms for satellite internet is incredible, hopefully it'll be cheap enough for people to actually get, compared to the current satellite internet we have.

Can't wait for humanity to become a multi-planet species, as then application developers would have to start taking multi-minute latencies into account, and hopefully that'll help me as someone with ~500ms latency to most services.

Re: SpaceX Starlink average speedtest is 42.3Mbps down / 9.7 Mbps up

#43

And this time it is literally down / up !

We're already doing literally down/up as your traffic goes from your computer on a above-ocean-level altitude, into the ground, eventually probably into the ocean floor and then up into some other building (at least considering transocean traffic)

Re: SpaceX Starlink average speedtest is 42.3Mbps down / 9.7 Mbps up

#44
post #33
post #6

Earlier quoted context omitted.

Why would HFT even consider using it? They are located as close as possible to the exchange they operate on, not across states or halfway across the world.

HFT have installed microwave relays between Chicago and New York and between London and Berlin to arbitrage on the 47% fiber optic delay between the exchanges. A LEO satellite relay serves the same purpose. I can see London to New York, New York to Tokyo fiber connections being superceded by LEO satellite.

Quite surprised why LEO for cross exchange arbitrage was not already done. Microwaves were not super with weather conditions the last time taking an arbitrary interest.

Re: SpaceX Starlink average speedtest is 42.3Mbps down / 9.7 Mbps up

#45
post #4

This is amazing. I know there will be latency issues, but for majority of web browsing, videos, etc, it shouldn't matter. We are entering the era of spacenet and the future looks bright. Imagine having devices as small as phones or set-top boxes that can directly access internet using satellites. It would lead to a revolution in many industries.

Genuine question - why is it a given that there will be latency issues? It looks like the satellites are only ~350 miles, or a little less than 2 light-milliseconds, from Earth's surface.

Re: SpaceX Starlink average speedtest is 42.3Mbps down / 9.7 Mbps up

#46
post #4

This is amazing. I know there will be latency issues, but for majority of web browsing, videos, etc, it shouldn't matter. We are entering the era of spacenet and the future looks bright. Imagine having devices as small as phones or set-top boxes that can directly access internet using satellites. It would lead to a revolution in many industries.

Could you expand on which industries will be improved? My normal life is covered entirely by 4G, with 5G now appearing. I guess you mean things like internet on planes, shipping internet, off-shore rigs? But what things can't they do at the moment because of prohibitorily slow/costly satellite internet?

Imagine the military setting up an internet base station and releasing remote controlled drones for surveillance or military operations. Having satellite based high speed internet would be a game changer for remote locations.

Imagine being able to conduct a robot controller surgery in Africa, by a doctor in the US. Currently, not possible, but with high speed satellite based internet, it could be.

Imagine an electrical engineer being able to help his colleagues in Africa, with specific issue, over VR or Video calls, enabled by Satellite based internet.

I can see a number of possibilities and opportunities.

Re: SpaceX Starlink average speedtest is 42.3Mbps down / 9.7 Mbps up

#47
Can someone explain the physical layer aspects of starlink? Is the spectrum same as mobile data spectrum or does it work with different part of spectrum. If it is different part, do we need specific hardware to receive and transmit?

Are there any interference/loses issues that might popup when scaled?

What is stopping spaceX to provide internet outside US?

Re: SpaceX Starlink average speedtest is 42.3Mbps down / 9.7 Mbps up

#48
post #24
post #4

This is amazing. I know there will be latency issues, but for majority of web browsing, videos, etc, it shouldn't matter. We are entering the era of spacenet and the future looks bright. Imagine having devices as small as phones or set-top boxes that can directly access internet using satellites. It would lead to a revolution in many industries.

I'm not sure that's revolutionary outside of very rural areas or in a desert. Smart phones and set-top boxes etc can already access the internet without satellites, and often with much better latency. What would satellites add for urban or sub-urban applications? I do appreciate the extra competition that satellite internet brings. Especially in parts of the world with suppressed competition (like the US..) this coul…

I live 12km from the centre of Edinburgh in an area that is rural but not "very rural" and all we can get is 22 Mbps down and 1 up.

Edit: I've spent a lot of time trying to find alternatives - none are really practical at this time. Starlink looks pretty exciting to me.

Edit 2: We have fantastic line of sight to Edinburgh and you'd think that would give us more options, apparently not...

Re: SpaceX Starlink average speedtest is 42.3Mbps down / 9.7 Mbps up

#49
post #4

This is amazing. I know there will be latency issues, but for majority of web browsing, videos, etc, it shouldn't matter. We are entering the era of spacenet and the future looks bright. Imagine having devices as small as phones or set-top boxes that can directly access internet using satellites. It would lead to a revolution in many industries.

Could you expand on which industries will be improved? My normal life is covered entirely by 4G, with 5G now appearing. I guess you mean things like internet on planes, shipping internet, off-shore rigs? But what things can't they do at the moment because of prohibitorily slow/costly satellite internet?

Plantations! No longer will they be isolated little fiefdoms where the company manager is judge, jury and executioner.

Re: SpaceX Starlink average speedtest is 42.3Mbps down / 9.7 Mbps up

#50
post #4

This is amazing. I know there will be latency issues, but for majority of web browsing, videos, etc, it shouldn't matter. We are entering the era of spacenet and the future looks bright. Imagine having devices as small as phones or set-top boxes that can directly access internet using satellites. It would lead to a revolution in many industries.

Genuine question - why is it a given that there will be latency issues? It looks like the satellites are only ~350 miles, or a little less than 2 light-milliseconds, from Earth's surface.

Preconceptions. Satellite internet have traditionally been slow+laggy. Starlink is not. Yay first principles :)
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