Definition
Peer-to-peer multicast video refers to the concept of peer-to-peer communication, where nodes are both clients and servers.
In the tradition video distribution scheme, a client contacts a server and establishes a unicast session before starting to receive the required content. Although this configuration is enough in many simple scenarios, it presents a number of problems. Indeed, the sources maximum output bandwidth limits the number of parallel clients. Moreover, since this approach follows a centralized configuration, it is vulnerable to attacks. A number of alternative solutions have appeared to overcome these limitations. They generally propose the use of replicated servers to increase both the robustness and the capacity of the system to serve more clients. A more recent approach relies upon the concept of peer-to-peer (P2P) communication, where nodes are both clients and servers. Virtual links associating two IP addresses are established forming an overlay network.
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References
Y.-H. Chu, S.G. Rao, S. Seshan, and H. Zhang, “A Case for End System Multicast,” IEEE Journal on Selected Areas in Communications, Vol. 20, No. 8, October 2002, pp. 1456–1471.
D.A. Tran, K.A. Hua, and T.T. Do, “A Peer-to-Peer Architecture for Media Streaming,” IEEE Journal on Selected Areas in Communications, Vol. 22, No. 1, January 2004, pp. 121–133.
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© 2008 Springer-Verlag
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(2008). Peer-to-Peer Multicast Video. In: Furht, B. (eds) Encyclopedia of Multimedia. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-78414-4_173
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DOI: https://doi.org/10.1007/978-0-387-78414-4_173
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