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An Efficient Peer-to-Peer Streaming Scheme Based on a Push-Mesh Structure
Journal of The Korea Society of Computer and Information
Abbr :
JKSCI
2010, 15(3), pp.81-89
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science
2010, 15(3), pp.81-89
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science
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The research on peer-to-peer streaming schemes has largely focused on tree-push and mesh-pull structures. However, the tree-push structure has a defect that the tree restructuring time is long, and the mesh-pull structure has long startup delay and lag time from source servers. In this paper, we propose a new peer-to-peer live streaming scheme based on a push-mesh structure that takes advantages of tree-push and mesh-pull structure simultaneously. This structure basically provides the mesh-pull mechanism for data transmission and utilizes peers with high network upload capacity. It also supports the push mechanism along with paths from a source server, super peers, and selected general peers. By NS-2 simulation experiments, we finally show that our proposed scheme can achieve shorter startup delay than the mesh-pull structure, similar lag time to tree-push structure and best playback continuity among the three schemes.
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