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Peer-assisted content delivery systems can provide scalable download service for popular files. For mildly popular content, however, these systems are less helpful in offloading servers as the request rate for less popular files may not enable formation of self-sustaining torrents (where the entire content of the file is available among the peers themselves). As there typically is a long tail of mildly...
In this work we have described a possible approach to integrate peer-to-peer support into a HDFS architecture by using a Distributed Location Service as a means to connect cluster machines and allow communication among them in dynamic scenarios, thus removing the need for ad-hoc configuration of the HDFS system. The peer-to-peer layer underlying the HDFS system is meant to provide a hot-plug framework...
We start by formulating the resource sharing in peer-to-peer (P2P) networks as a random-matching gift-giving game, where self-interested peers aim at maximizing their own long-term utilities. In order to provide incentives for the peers to voluntarily share their resources, we propose to design protocols that operate according to pre-determined social norms. To optimize their long-term performance...
Data mining and user data collection applications, like Facebook and Yahoo, make dealing with huge amounts of data more and more frequent. A solution to cope with this problem is to spread data over multiple network-connected physical devices. Having more devices, though, means increasing system complexity and introducing additional possible points of failure. Moreover, despite the capacity of hard...
In recent years, peer-to-peer (P2P) file sharing applications have dominated the Internet traffic volumes, and among them, Bit Torrent and eMule constitute the majority. Bit Torrent and eMule deploy their distributed networks based on Kademlia, a robust distributed hash table (DHT) protocol, to facilitate the delivery of content. Kademlia-based DHT networks have intrigued researchers in P2P community...
Recently, in classical P2P overlay networks, with applying replication technique, a single peer is replaced by a cluster of peers in order to tolerant Byzantine failures. In this paper, a novel robust and secure scheme for storage overlay networks is proposed by applying erasure coding technique to reduce redundancy and enhance privacy protection. For achieving a lightweight data privacy protection,...
Traffic congestion on major roadways costs our nation billions of dollars in lost earnings, wasted fuel consumption, injury and loss of human life. Providing motorists with real time roadway conditions is essential to mitigating traffic congestion. We propose a novel real-time messaging system that can be used to communicate imminent traffic conditions to motorists. Having such information can allow...
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