An Empirical Evaluation of Deployed DPI Middleboxes and Their Implications for Policymakers by David Choffnes, Phillipa Gill, Alan Mislove :: SSRN

An Empirical Evaluation of Deployed DPI Middleboxes and Their Implications for Policymakers by David Choffnes, Phillipa Gill, Alan Mislove :: SSRN: "This paper presents evidence of deployed middlebox-enabled policies that provide differential service to network applications affecting subscribers of T-Mobile US, Boost Mobile, and others. We used rigorous controlled experiments and statistical analysis of the performance of popular online services to identify traffic differentiation. The observed policies include throttling bandwidth available to video and audio streaming, transcoding video, and selectively zero-rating traffic such as video and music streaming. Such policies may violate the “No Throttling” and/or “No Unreasonable Interference” provisions of the Open Internet Order [15] (OIO), and potentially violate rules in different jurisdictions. Some of these policies were not transparent to consumers and/or were presented in misleading ways, violating the transparency requirement of the OIO. We recommend that providers concerned about traffic loads use application-agnostic techniques to throttle, thus meeting the “reasonable network management” clause of the OIO. Such policies are also easy for consumers to understand, thus providing better transparency."



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