| Efficient Error Recovery Techniques in a Novel Multimedia Streaming Framework with Peer-Paired Collaboration |
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| 作者姓名： | 王浩 沈国斌 李世鹏 钟玉琢 |
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| 作者单位： | Department of Computer Science and Techology，Tsinghua University，Beijing，100084，China，Microsoft Research Asia，Sigma Center，49 Zhichun Road，Haidian，Beijing 100080，China，Microsoft Research Asia，Sigma Center，49 Zhichun Road，Haidian，Beijing 100080，China，Department of Computer Science and Technology，Tsinghua University，Beijing 100084，China |
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| 基金项目： | Supported by the National Natural Science Foundation of China(No.G1999032700) |
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| 摘 要： | Research on application-level multicast seeks to combine the merits of unicast and IP multicast while avoiding their drawbacks. Efficient error recovery in such a system is still a difficult problem. Current research is primarily focused on developing local error recovery techniques, but these techniques would not work with shared losses, which often occur in application-level multicast. This paper presents a novel multimedia streaming framework called peer-paired pyramid streaming (P3S) which is basically a hybrid client/server and peer-to-peer structure. In P3S, clients are hierarchically organized with those at the same level coupled as peer pairs. P3S uses some controlled delay between packets that are vulnerable to shared losses to reduce the shared losses. The technique is verified by both theoretical and experimental results.
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Efficient Error Recovery Techniques in a Novel Multimedia Streaming Framework with Peer-Paired Collaboration |
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| WANG Hao,SHEN Guobin
LI Shipeng,ZHONG Yuzhuo.Efficient Error Recovery Techniques in a Novel Multimedia Streaming Framework with Peer-Paired Collaboration[J].Tsinghua Science and Technology,2003,8(2). |
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| Authors: | WANG Hao SHEN Guobin
LI Shipeng ZHONG Yuzhuo |
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| Institution: | WANG Hao,SHEN Guobin
LI Shipeng,ZHONG Yuzhuo
Department of Computer Science and Technology,Tsinghua University,Beijing 100084,China, Microsoft Research Asia,Sigma Center,49 Zhichun Road,Haidian,Beijing 100080,China |
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| Abstract: | Research on application-level multicast seeks to combine the merits of unicast and IP multicast while avoiding their drawbacks. Efficient error recovery in such a system is still a difficult problem. Current research is primarily focused on developing local error recovery techniques, but these techniques would not work with shared losses, which often occur in application-level multicast. This paper presents a novel multimedia streaming framework called peer-paired pyramid streaming (P3S) which is basically a hybrid client/server and peer-to-peer structure. In P3S, clients are hierarchically organized with those at the same level coupled as peer pairs. P3S uses some controlled delay between packets that are vulnerable to shared losses to reduce the shared losses. The technique is verified by both theoretical and experimental results. |
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| Keywords: | multimedia streaming peer-to-peer multicast application-level multicast error recovery |
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