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Abstract. Existing streaming protocols have no consideration for the characteristics of streaming applications because they only consider the network stability. In this paper, in order to overcome limitations of the previous schemes for video streaming, we propose a new video streaming mechanism called "MaVIS (Media-aware Video Streaming)". The MaVIS takes more sophisticated mechanism that considers both network and user requirements. Proposed mechanism improves the network stability by adjusting the sending rate suitable for current network state and it also provides the smoothed playback by preventing buffer underflow or overflow. Moreover, it is designed to consider characteristics of the video stream. Through the simulation, we prove that the MaVIS mechanism efficiently uses the buffer resources and provides improved network stability and smoothed playback.