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In this paper, we consider Peer-to-Peer Video on- Demand (P2P VoD) systems based on the Bit Torrent file sharing protocol. Since the rarest first policy adopted in the Bit Torrent protocol could not collect all pieces corresponding to a video file by their playback time, we need to develop a new piece selection rule particularly designed for P2P VoDs. In the proposed scheme, we assume the existence...
Internet-based video streaming applications is becoming more and more popular and attract millions of online viewers every day. The incredible growth of viewers, dynamics of participants, and high video quality-of-service (QoS) requirement pose scalability, availability and low-latency challenges to peer-to-peer (P2P) live video streaming systems. Tree-based systems have low-delay but are vulnerable...
We propose a peer-to-peer (P2P) streaming system that allows users to individually pause and resume a live video stream as well as to view video that was streamed before the particular user joined the session. Such time-shifted streaming can be provided by caching a portion of the video stream at each peer and serving it asynchronously. We analyze the availability of video contents in the P2P overlay...
PPStream (PPS) and PPLive (PPL) are two important representatives of peer to peer video streaming systems in China. So far, most studies focus on PPL, but we show our interest in PPS all the time. In our previous work, we found that PPS exhibits great difference from PPL in buffer sharing mechanism and proposed a primary model to better analyze PPS. During our process of studying PPS, the buffer structure...
CommunityPVR is a software service that executes on the STB devices in a service provider's IP network. CommunityPVR forms a P2P network among set-top boxes to provide a resilient streaming service that can exponentially increase the choice of available shows.
Internet server clustering has been widely used by operators to improve the scalability and the availability of the rendered services under heavy load condition. Load balancing is a well known mean to optimize the usage of the cluster available resources by fairly allocating them to the offered network traffic. Most state-of-the-art research advocate either session oblivious or coarse grained session...
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