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Most peer-assisted media streaming systems have applied a design philosophy that uses a "mesh" topology of peers: each peer connects to a small number of neighboring peers, with which it exchanges state information periodically. Requests for media segments are made to these neighboring peers on- demand. Apparently, with such a "gossiping" design principle, peers do not make decisions...
Overlay networks create a structured virtual topology above the basic transport protocol level. It allows implementing network services that are not totally tied to the underlying network infrastructure. Many overlay network protocols have been proposed to organize nodes into various topologies with emphasis on different networking properties. Presently there are a lot of services and applications...
Introducing Peer-to-Peer (P2P) technology into IP Multimedia Subsystem (IMS) is hard but important, especially to the streaming media service. Based on the strength analysis of IMS and P2P, three solutions with the features of signaling centralized and media distributed are compared, and eventually the solution of managing P2P via application server is selected. For the purpose of reusing the public...
Synchronous e-learning platforms are frequently used to train the personnel of large corporations. Usually, these corporations are geographically dispersed in multiple sites, so efficient transport of multimedia streams during an e-learning activity is essential. In order to interconnect the groups of participants, it is necessary to deploy a communication mesh. If the number of sites is high, non-automatic...
PPStream is one of the most popular p2p media streaming applications. Our early study finds the design philosophy for both PPStream and PPLive is different. As a preliminary study for further deeply modeling, in this paper we try to study PPStream client behavior based on our recent measurement dataset. The report focuses on several aspects of peer: some specific mechanisms applied in the new version...
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