Detecting Traffic Differentiation in Backbone ISPs With NetPolice

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Executive Summary

Traffic differentiations are known to be found at the edge of the Internet in broadband ISPs and wireless carriers. The ability to detect traffic differentiations is essential for customers to develop effective strategies for improving their application performance. The authors build a system, called NetPolice that enables detection of content- and routing-based differentiations in backbone ISPs. NetPolice is easy to deploy since it only relies on loss measurement launched from end hosts.

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