CS244 ’18: Reproducing ABC Congestion Control

Alan Flores-Lopez, Sarah Tollman

Original Paper: Goyal, Prateesh, Mohammad Alizadeh, and Hari Balakrishnan. “Rethinking Congestion Control for Cellular Networks.” Proceedings of the 16th ACM Workshop on Hot Topics in Networks. ACM, 2017.

Congestion control, or the mechanism by which congestion collapse is prevented between interconnected computers, is a core research area in computer networking. Despite a research history of at least three decades, new congestion control approaches are being proposed actively. In this research reproduction effort, we engage with the Accel-Brake Control (ABC) congestion protocol described by Goyal et al. in 2017. We reproduce the core results of the paper successfully, showing the ABC is above the Pareto frontier for the specific experimental setup of Figures 2a and 2b of the original paper. However, for experiments in which the downlink has varying link capacity, we find ABC falls below the Pareto frontier.

Full Report.

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