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Anonymous communication is a challenging task in resource constrained wireless sensor networks (WSN). However, anonymity is important for many sensor networks, in which we want to conceal the location and identify of important nodes (such as source nodes and base stations) from attackers. Existing WSN anonymous protocols either cannot achieve complete anonymity, or have large computation and/or storage...
Xunlei [1] is a new P2P content distribution system which is popular in China. It composes traditional HTTP/FTP downloading and P2P content distribution features which attract many people including researchers. Xunlei's network is Bit Torrent-like and the measurement is more difficult than other P2P networks [2]. There are many constrains on Xunlei tracker, so we can not obtain information from tracker...
Although peer-to-peer system is scalable for content distribution, its lifespan is shorter than traditional systems. More and more researchers pay close attention to swarm lifespan and propose specialized methods to extend it. Bundling technique and SRE (Share Ratio Enforcement) mechanism in Private Tracker system are two successful enhancements which are proved by practical systems. However, they...
Xunlei is a P2P file sharing application that is popular in China. The performance of previous P2P applications is limited by the selfishness of peers and the widely use of firewall. Xunlei applies implicit uploading strategy and firewall bypassing technologies to conquer above drawbacks. To evaluate the effects of above solutions, we perform a series of measurements on Xunlei and BitTorrent networks...
Due to the dynamic characteristic of nodes in the Grid environment, the state of nodes need be efficiently monitored. Grid node organization, deployment, configuration and management problems of Grid monitoring system are the closely-related. Benefiting from self-management and self-configuration thinking of Autonomic Computing, the node self-organization mechanism and node initialization algorithm...
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