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Erschienen in:
2013 | OriginalPaper | Buchkapitel
The Unbearable Lightness of Monitoring: Direct Monitoring in BitTorrent
verfasst von : Tom Chothia, Marco Cova, Chris Novakovic, Camilo González Toro
Erschienen in: Security and Privacy in Communication Networks
Verlag: Springer Berlin Heidelberg
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It is known that BitTorrent file-sharing traffic is analysed to identify exchangers of copyrighted material. In general, copyright holders can perform monitoring using two approaches:
indirect monitoring
, where indirect clues of the sharing activity of a peer are considered (e.g., its presence in the peer list of a tracker), and
direct monitoring
, which establishes connections with peers to estimate their participation in sharing activity. Previous research has focused exclusively on indirect monitoring. We provide a broader characterisation of the monitoring of BitTorrent activity by considering both indirect and direct monitoring. In particular, we review previous work on indirect monitoring, provide features to detect peers engaged in such monitoring, and apply them to identify a number of monitoring organisations. Additionally, we introduce features that detect direct monitors, and provide the first ever measurements of direct monitoring, showing that it is now occurring.