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For current P2P-VoD systems, three fundamental problems exit in user experience: exceedingly large startup delay, long jump latency, and poor playback continuity. These problems primarily stem from lack of media data. In this paper, we propose Multi-Task Downloading with Bandwidth Control (MTD(BC)), an efficient and practical mechanism to prefetch media data. In MTD, a user can download multiple videos...
In this paper we consider gossip-based peer-to-peer streaming applications where multiple sources exist and they work serially. More specifically, we tackle the problem of fast source switching to minimize the startup delay of the new source. We model the source switch process and formulate it into an optimization problem. Then we propose a practical greedy algorithm that can approximate the optimal...
Peer-to-peer computing has become a popular networking paradigm for file sharing, distributed computing, collaborative working, etc. The widely used unstructured peer-to-peer protocols mainly face two problems affecting their working efficiency: 1) inefficient flooding-based search, 2) topology mismatch between the overlay network and its underlying network. In this paper, we propose to organize nodes...
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