[TriLUG] Google Fiber Triangle Build out

John Vaughters via TriLUG trilug at trilug.org
Thu Aug 25 14:17:26 EDT 2016


>Personally, I find that *very* scary!
I'm not going down this path. Technology as a solution is all I am discussing. Motive for doing it is a rat hole discussion.
>Satellite is a fine technology for something like TV where you're
broadcasting the same signal(s) over a wide area but it doesn't work so
great for internet access and suffers from LONG latency issues.  Think
of how it would work with only a handful of (satellite) receivers
trying to handle thousands upon thousands of ground users
simultaneously transmitting to them.
I was not suggesting satellites as a high speed access, just access for the world. It works quite well for data of all types and the Google solution is low orbit and will reduce the latency. The trick with satellites is to use UDP for transport and use software to clean up the data and request re-transmission if needed. TCP automatic re-transmissions are a killer on satellite transmission. In any case the most recent satellites put in orbit are really good and if you can stick with UDP and tune the actual traffic based on your needs, you will have great results. It's reasonably low cost, relative to older offerings, but still the most expensive option for data. There is a company in Jacksonville, FL that will deliver you a 50-100MW turbine generator within 24hrs or less and link it to a satellite and operate it for you anywhere in the world. I'm guessing the civilized world and not Antarctica. 

Don't discount satellite as a world wifi solution. Having said that, I find it hard to believe there is a financial case for this technology. But who knows. Of course your comments on weather related disturbances are the worst for this solution, but that too has greatly improved.

John Vaughters



   


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