頁籤選單縮合
題 名 | Enabling Adaptive Video Streaming for BitTorrent-Like Video Systems |
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作 者 | Hsu, Tz-heng; Liang, You-sheng; | 書刊名 | Journal of Internet Technology |
卷 期 | 12:5 2011.09[民100.09] |
頁 次 | 頁813-823 |
分類號 | 448.6 |
關鍵詞 | Peer-to-peer network; BitTorrent; Streaming; Rarest first algorithm; |
語 文 | 英文(English) |
英文摘要 | BitTorrent (BT) is one of the most efficient file sharing mechanisms in Internet. BitTorrent can distribute large files efficiently by using the shared bandwidth of the downloading peers. Using the rarest file first piece selection algorithm to download the data, BitTorrent’s downloaded data pieces are stored in an out-of-order way. Therefore, users can not watch a movie before the whole video file is downloaded. In order to support the video streaming for BitTorrent-based systems, we propose several mechanisms to improve the original BitTorrent protocol: (1) frame selection algorithms named decoding order frame first (DOFF) and rarest I frame first (RIFF); (2) an adaptive streaming retrieval scheme to allocate the available bandwidth adaptively for video streams. The adaptive streaming retrieval scheme periodically checks the streaming buffer to have knowledge of downloaded frames, and then allocates the available bandwidth for adapting frame downloading jobs with DOFF and RIFF frame selection algorithms. As a result, users can have smoother video playout experience than original BitTorrent protocol. |
本系統中英文摘要資訊取自各篇刊載內容。