There isn't any difference, of course -- other than perhaps giving control of the keys to the kingdom to some Silicon Valley startup! I was deploying cellular

There isn't any difference, of course -- other than perhaps giving control of the keys to the kingdom to some Silicon Valley startup! I was deploying cellular devices (from Digi and, later, Opengear) at power substations in rural areas to tunnel RS-232 serial in IP over IPSec over cellular connections a decade or more ago -- and it's not like I was the first one to do it. Teleport is a YC company, though, which is probably the biggest reason so much of their marketing^Wblog posts show up here.