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Energy efficiency is a powerful measure for promoting sustainability in technological evolution and ensuring feasible battery life of mobile end-user devices. Peer-to-peer technology provides decentralized and self-organizing, but also energy-inefficient technology for distributing content between devices in networks that scale up almost infinitely. The dissertation [1] summarized in this paper makes...
Presently, hand-held mobile devices, such as smartphones, generate and record large amounts of data (e.g., multimedia files like photos or videos). The off-the-shelf mechanisms for data sharing among these devices include: i) centralized cloud-based data storage services like Dropbox or Flickr, which rely on good quality Internet access for file uploading and downloading, and ii) application-based...
Using proxy servers to cache and shape network traffic can significantly improve the energy efficiency of the participating mobile clients. In this paper, we analyze the implications of hosting a BitTorrent proxy on a broadband router, which pushes the content to a mobile phone over wireless radio (WLAN or 3G). The amount of memory in a router is limited and therefore our interest is on how to use...
This paper presents a distributed proxy solution that enables energy efficient BitTorrent downloads for mobile devices. Instead of using a single proxy, this work focuses on using multiple proxy servers to achieve better bandwidth utilization and thus smaller mobile energy consumption. We present an analytical model that can be used to experiment with different proxy setup and evaluate them from the...
Using proxy servers to cache and shape network traffic can significantly improve the energy efficiency of the participating mobile clients. In this paper, we analyze the implications of hosting a BitTorrent proxy on a broadband router, which pushes the content to a mobile phone over wireless radio (WLAN or 3G). The amount of memory in a router is limited and therefore our interest is on how to use...
This paper presents a novel mechanism that enables mobile devices to efficiently participate in Distributed Hash Tables (DHTs). By selectively dropping messages, we can significantly reduce traffic and thus the energy consumption of mobile nodes with only minor performance degradation. The protocol extension preserves compatibility with existing widely used DHT systems. We evaluate the solution by...
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