Yi Cui Baochun Li Klara Nahrstedt oStream: asynchronous streaming multicast in application-layer overlay networks. 91-106 2004 22 IEEE Journal on Selected Areas in Communications 1 http://doi.ieeecomputersociety.org/10.1109/JSAC.2003.818799 db/journals/jsac/jsac22.html#CuiLN04