On: BitTorrent Live: Cheap, Real-Time P2P Video Streaming That Will Kill TV

[rll]

I suppose that scenario could exist somewhere. It definitely doesn't on Comcast in the US.

[mdaniel → rll]

I mean this in all honesty: how do you know that?

[rll → mdaniel]

Try a traceroute to your neighbour who is likely on the same physical Comcast segment as you. It's not a simple 2-hop route. It goes way out and comes back.