I think we'll soon have a better idea of how this plan might pan out. OneWeb is trying to do this first, and the first of many satellites are already built[1][2]. They'll start launching later this year. [3]

I'm very curious to see a real-world use of their system when it's fully up and running.

[1] http://www.oneweb.world/

[2] https://twitter.com/SpaceTechAsia/status/959300225394339841

[3] https://spaceflightnow.com/2018/01/22/testbed-for-canadian-d...