[wtallis]

Strictly speaking, GoGo's service isn't capable of handling streaming, but it's not clear to what extent bandwidth is the limiting factor. Really bad bufferbloat does horrible things to goodput. With proper QoS, it's likely that they could sustain at least one or two low-resolution YouTube streams, just not a whole plane full. Terrestrial ISP's can't handle everyone watching video at the same time, either.

Jim Gettys reported on the CeroWrt-devel list that he tried to benchmark the in-flight Internet connection on a United flight to Hawaii last November, and it apparently crashed the connection. The routers and accompanying software being used for these systems are probably of exceedingly low quality.