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Free riding, whereby a peer utilizes network resources but doesn't contribute services, could have a huge impact on the efficacy of peer-to-peer media streaming systems, leading to scalability issues and service degradation. Here, the authors categorize, analyze, and compare a range of incentive mechanisms proposed for P2P streaming systems.
The emerging scalable video coding extension in H.264/AVC standard will enable the deployment of video streaming and distribution applications in heterogeneous environments, with different user bandwidth resources and display capacities. In this paper, we study the problem of how to distribute scalable coded media objects from a media distribution server in peer-to-peer based IPTV applications. All...
In this article, we first review the evolution of peer-to-peer (P2P) file sharing and media streaming systems, and then focus on one of the most popular P2P-based media streaming services - PPStream. We describe the PPStream protocol discovered through reverse engineering efforts and discuss our measurement study conducted to evaluate three aspects of the system: privacy, locality, and availability...
Peer-to-peer networks have been considered as a promising network model for bandwidth-intensive multimedia streaming applications. In this paper, we study the problem of how to distribute segments of a media object from a media distribution server in IPTV applications. We leverage peer-to-peer networks to reduce the pressure on the distribution server, and peers exchange media segments in every playback...
To solve the scalability issue of the traditional client-server architecture, many media streaming applications have adopted peer-to-peer (P2P) architecture in their implementations. Because of the success of using TCP in client-server streaming applications, most P2P streaming applications also use TCP as their transport protocol. On the other hand, some researchers argue that UDP is a better choice...
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