On: Calling All Broadcasters

[wmf]

IP multicast is turned off on the Internet.

[timthorn → wmf]

Depends on which bit of the Internet - the BBC transmits (or at leat used to) live streams via Multicast to a number of UK ISPs.

[bvdbijl → wmf]

Thank god... imagine the incredible noise

[sargun → bvdbijl]

What do you mean? The whole point of multicast is that you don't have noise. You choose exactly what you want to get.