hi,
centovacast uses icecast ,shoutcast, and many other streaming programs all it does and greatfull for it is how it streams using one or each of theses programs to minimised the out going bandwith streaming content from it different channels you would be creating from its platform other is still the possibility that on the main streaming port (shoutcast Icecast2) and stream its content on secondlife example www.mydomain.ect:8001
if this helps you