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A misbehavior resilient cipherblock trading protocol in BitTorrent-like networks

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4 Author(s)
Jian Wang ; Dept. of Network Eng., Shanghai Second Polytech. Univ., Shanghai, China ; Xiaoming Hu ; Yinchun Yang ; Xiumei Wu

BitTorrent-like networks are prevailing on Internet, facilitating quick distribution of media files to large numbers of users via aggregating upload bandwidth at the user side. Their successes lie in initial optimistic blocks and active reciprocation on all established connections. However, some misbehaving peers may exploit or sabotage such premises, exerting free-riding, faking block exploit, collusion, and even denial-of-service attacks. This paper proposes a threshold-based verifiable cipherblock trading protocol in an attempt to mitigate aforementioned kinds of misbehavior simultaneously. Preliminary results about the best response of these misbehavior against the proposed protocol are presented. Also influences of protocol parameters (i.e. threshold and number of bits shifted circularly) are discussed in detail.

Published in:

Computer Science and Network Technology (ICCSNT), 2011 International Conference on  (Volume:2 )

Date of Conference:

24-26 Dec. 2011