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ABSTRACT: Unresponsive streaming media traffic can signifi-cantly impede the performance of other networking applications and even endanger the stability of the Internet. Therefore, with increased deployment of high-bandwidth commercial streaming video applications on the Internet, understanding the characteris-tics of proprietary streaming formats is pertinent. In this paper, we use an experimental testbed to characterize the behaviour of RealVideo streams under different network conditions, with special emphasis on understanding their "TCP friendliness". In many scenarios, our experimental results show that RealVideo streams are not TCP friendly. The results also show that the new TurboPlay feature fundamentally changes the behaviour of RealVideo streams, making them more aggressive.
