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In this paper we characterize the impact of failures in Brazil's national education and research network on traffic at a client university. In particular, we study the impact of failures on traffic, user, and application behavior. The failures are interesting in that they persist for several hours and impact only international links, so destinations hosted in Brazil remain reachable. Our results show...
Bittorrent is one of the most popular file sharing applications on the Internet. It is well-known that its success mainly depends on its user cooperation. Systems with a small number of altruist users or without incentive mechanisms are fated to failure. This paper discusses the influence of Facebook on Bittorrent swarms. We analyze data from more than 16,600 Bittorrent swarms disseminated by Facebook...
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