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Several studies have found some properties of Internet such as Triangle Inequality Violations (TIVs). The studies have reported the existence of TIV in the Internet delay space. Triangle inequality violations that are important to peer-to-peer applications can be leveraged to build overlay routing to improve peer-to-peer performance. How to select relay nodes becomes a crucial factor to overlay routing...
Development of Internet brings the great increasing communication requirement. This demand impels the developing progress of Voice over Internet Protocol (VoIP). It is difficult to supply the high quality user experience for VoIP services, which has brought great challenges to VoIP developer because of the dynamic property of Internet. We obtain the following results in lots of existing VoIP systems:...
Based on the Ethernet and Bluetooth wireless technology, an improved Bluetooth Ad Hoc network structure, WBPAN(Wireless Bluetooth Personal Area Network) is proposed for the streaming media distribution. In WBPAN, each Bluetooth AP acts as the root of the Bluetree and connects with the nearby Bluetooth devices by the modified BlueTree formation algorithm. In WBPAN, we propose the layered and scalable...
Motivated by P2P file transfer applications (e.g., BitTorrent) on the Internet, this paper considers the problem of delivering a file from a server to multiple receivers in a P2P network. Each receiver has an associated delay in receiving the file. We aim at understanding the optimal delay region, i.e., the set of all possible delay vectors that can be achieved. Previous work has addressed the problem...
In this demo we present our approach for establishing a communication channel between hosts behind a NAT-based router. To do so, we developed a peer-to-peer based variant of the STUN protocol using so-called superpeers. Using this protocol we determine the used NAT types for the hosts and select a suitable NAT traversal technique dynamically.
From multi-description/multi-path routing for multi-media applications to content distribution in P2P networks, to community networking, many forms of resource sharing have been proposed to improve network performance. From the perspective of any single user, when ignoring the interaction among users, all such schemes reduce to various forms of providing parallelism and, hence, increased throughput...
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