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Increase in the number of audiences interested in watching live events through the internet has become a challenge for traditional client-server approaches. In fact, supporting manifold audiences requires that broadcasters allocate more bandwidth. P2P networks for live streaming allow the users to support video dissemination by contributing their resources. Consequently, P2P networks are effective...
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...
In recent years a number of research efforts have focused on effective use of P2P-based systems in providing large scale video streaming services. In particular, live streaming and Video-on-Demand (VoD) systems have attracted much interest. While previous efforts mainly focused on the common challenges faced by both types of applications, there are still a number of fundamental open questions in designing...
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...
Recently, the video delivery service is spreading along with the penetration of broadband access to residential users. Although content delivery network (CDN) system has been deployed for video delivery, it's costly because equipment reinforcement is needed as a number of client increases. To settle this problem, use of peer-to-peer (P2P) system has been considered, namely P2P live-streaming and P2P-VoD...
DRM is becoming more and more important for P2P live streaming. In this paper, a manageable overlay network architecture with DRM, is proposed for live streaming. The system consists of register server, index servers, supernodes and peers. The register server authorizes the peers, assign the key and index server list; The index server acts as the centralized index server to store the peer list, program...
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