Wen-Syan Li Divyakant Agrawal K. Selçuk Candan Yusuf Akca Murat Kantarcioglu Virtual Active Network for Live Streaming Media Delivery. 45-74 2007 8 Journal of Interconnection Networks 1 http://dx.doi.org/10.1142/S0219265907001904 db/journals/join/join8.html#LiACAK07