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In a P2P media streaming system, a centralized tracker server is always used to maintain the topology. However, sometimes the server becomes overloaded when too many clients are coming. Then, the response time is too long because of many frequent VCR operations and the tracker server cannot support large-scale users' requests. In this paper, a distributed tracker organization is designed to solve...
P2P-based streaming service has many advantages, such as scalability and load distribution, compared to serverclient model. There are two main structures for P2P streaming services; tree and mesh. In case of mesh-based P2P streaming, each stream data is fragmented into fixed size chunk and this size is not changed over the session. In this paper, we present a method for providing adjustment of chunk...
Recently, the Tree-Mesh based Application Layer Multicast (TM-ALM) has emerged as a promising solution for media streaming over the Internet. In TM-ALM, all peers first organize an auxiliary mesh overlay, and then some 'good' peers are identified to explicitly or implicitly construct a tree(s)-based backbone. The great advantage of TM-ALM is that it has more resilient to end-hosts dynamics than tree-based...
The Peer-to-Peer streaming media transmission technology has become a hot spot of computer research field. This paper introduces the architecture of P2P streaming media transmission system based on neighborhood optimum selection, studies acquisition and transmission of streaming media data and lays stress on the neighborhood optimum selection. Various heterogeneous media resources will be collected...
A comprehensive-factors-based (CFB) scheduling algorithm is proposed for peer-to-peer media streaming. In CFB, considering the number of chunks' suppliers and urgency, a priority is defined for each data chunk and the neighbours' bandwidth is effectively evaluated. A peer requests chunks from neighbors according to priorities as well as bandwidth. Simulation results show that the proposed CFB scheduling...
How to improve the scalability and QoS of peer-to-peer on-demand streaming system based on unstructured overlay is still a problem. Researchers have proposed some memory based buffering schemes to archive the targets. Considering the limited space of memory on one peer, a new caching strategy, which can integrate memory-caching strategy with disk-caching strategy, is proposed to make full use of peers...
Selecting partner candidates for data transferring plays an important role in the P2P (peer-to-peer) media streaming system. Most traditional P2P media streaming systems do not consider the physical network among the peers, while selecting partner candidates according to physical network can reduce the latency of the data transferring and improve the quality of service. Aiming at objectives of P2P...
Recent few years, many p2p VoD softwares are widely applied through out the Internet, which gives us an opportunity to study user watching behavior of p2p VoD system at large scale. Many previous works on this area directly regard peer's information transmitting log such as buffer message as peer's watching behavior log. However, the effect of prefetch strategy is not considered. In this paper, we...
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...
In recent years, advanced data broadcasting services, which provide viewers with multimedia data on digital television, have drawn growing interest. At the same time, there is file-sharing peer-to-peer service on digital television field. However, few studies pay attention to their convergence that is data broadcasting can help peer-to-peer service. This paper studies file-sharing peer-to-peer application...
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