what-when-how
In Depth Tutorials and Information
Node Degree
Node Degree (log scale)
Figure6.10
Apower-lawdistributionofnodedegrees.
possession of many or all of the pieces in the system. Nodes in the BitTorrent sys-
tem can then attach to these nodes and choose them for unchoking or downloading
from. However, the presence of scale-free characteristics in torrents has not been
previously confirmed.
he desirability of scale-free graph characteristics comes from these networks'
tolerance to random node failure [5]. Due to the presence of hubs in the network, a
random loss of a large percentage of the network (as much as 80%) will not result in
degraded network connectivity. In a peer-to-peer system such as BitTorrent, where
