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Cyber foraging is a pervasive computing technique where small, mobile devices offload resource intensive work to stronger, nearby surrogate computers in order to preserve energy and achieve better performance. The problem with relying only on local resources is, that the availability of such resources may be scarce in many environments. In this paper we therefore argue that a third tier should be...
Network defense is an elusive art. The arsenal to defend our devices from attack is constantly lagging behind the latest methods used by attackers to break into them and subsequently into our networks. To counteract this trend, we developed a distributed, scalable approach that harnesses the power of collaborative end-host detectors or sensors. Simulation results reveal order of magnitude improvements...
Pervasive computing has to be resilient to various kinds of faults and should be able to function despite faults. However, fault tolerance issues have not been well explored so far in pervasive computing research. In this paper, the traditional failure detection algorithm based on heartbeat and some improved failure detection algorithms based on fresh point are discussed and compared. Further, this...
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