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Services that offer users the possibility of transmitting their own live streaming video content, using Web 2.0-based platforms, are increasing in popularity. In this context, we propose and evaluate solutions that contribute to improve the scalability of this type of system. This work encompasses two major steps. First, we collected data from a popular online live video sharing service, and provide...
P2P live streaming applications are becoming more popular each day. In contrast to the client-server model, the P2P approach overcomes problems such as system scalability and need for powerful resources in a single point. However, P2P networks may suffer from attacks and opportunistic behaviors. In this paper we present a decentralized reputation system to fight attacks in P2P live streaming networks...
Peer-to-peer live streaming media systems are becoming more popular each day. As in file sharing P2P system, they are susceptible to content pollution attack. In this kind of attack, a peer alters the media content decreasing the perceived quality of the streaming. In this paper we evaluate the impact of pollution attack in P2P live streaming and we present two reputation system to avoid content polluted...
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