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Disseminating large files in opportunistic networks requires splitting the content into smaller pieces in order to leverage short contacts between nodes on the move. A negative consequence of content chopping is that it may generate significant overhead, as nodes have to exchange more signaling information to determine which pieces the neighbor misses. In this paper, we investigate the convenience...
In Delay/Disruption Tolerant Networks (DTNs), content distribution is performed leveraging on the transient and dynamic contacts between moving users. Such a best effort mechanism is prone to unbounded downloading delays and bad user experience. To cope with these occurrences, this paper introduces a novel mechanism to improve content distribution in DTNs. The proposed mechanism is based on the Delay...
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