[anewhnaccount]

This is neat, but I think if peercasting software which is "good enough" can be built on top of WebRTC data connections (mandatory encryption and forced TCP are at least two drawbacks) I think it will win in terms of public adoption if is inferior in other technical aspects simply because people will end up using it without knowing it.

[rdtsc]

That doesn't include discovery, tracking. It would have to be developed on top. It also necessitates a pretty much full implementation of the WebRTC client signaling, which is not too trivial.

BTW lately they are probably switching to use SCTP for data streaming. Encryption is still mandatory.