Networking

Passive Characterization of SopCast Usage in Residential ISPs

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Executive Summary

In this paper, the authors present an extensive analysis of traffic generated by SopCast users and collected from operative networks of three national ISPs in Europe. After more than a year of continuous monitoring, they present results about the popularity of SopCast which is the largely preferred application in the studied networks. They focus on analysis of application and bandwidth usage at different time scales, peer lifetime, arrival and departure processes, peer localization in the world. Results provide useful insights into users' behavior, including their attitude towards P2P-TV application usage and the consequent generated load on the network, that is quite variable based on the access technology and geographical location.

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