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Working Paper

A Comparative Analysis of Ookla Speedtest and Measurement Labs Network Diagnostic Test (NDT7)

Kyle MacMillan, Tarun Mangla, James Saxon, Nicole Marwell, Nick Feamster
A comparative analysis of two popular speed test tools: Ookla's Speedtest and Measurement Lab's Network Diagnostic Test.
May 24, 2022
Working Paper

What Can We Learn from Selected, Unmatched Data: Measuring Internet Inequity in Chicago

James Saxon, Dan A. Black
By integrating a “big” dataset of Speedtest Intelligence from Ookla that measures Internet performance and income data from the American...
May 05, 2022
Publication

A Tale of Three Datasets: Characterizing Mobile Broadband Access in the U.S.

Tarun Mangla, Esther Showalter, Vivek Adarsh, Kipp Jones, Morgan Vigil-Hayes, Elizabeth Belding, Ellen Zegura
We compare LTE coverage data from the FCC with a crowdsourced dataset from Skyhook for New Mexico.
Mar 01, 2022
Publication

GPS-Based Geolocation of Consumer IP Addresses

Nick Feamster, James Saxon
This paper uses two commercial datasets of IP addresses from smartphones to characterize the geography of IP address subnets from...
Oct 12, 2021
Working Paper

Beyond Speed Test: Measuring Latency Under Load Across Different Speed Tiers

Kyle MacMillan, Nick Feamster
In this brief position paper, we use preliminary experiments from a home broadband measurement testbed across Chicago to demonstrate that...
Sep 01, 2021
Publication

Measuring the Performance and Network Utilization of Popular Video Conferencing Applications

Kyle MacMillan, Tarun Mangla, James Saxon, Nick Feamster
Video conferencing applications (VCAs) have become a critical Internet application, even more so during the COVID-19 pandemic, as users worldwide...
May 27, 2021
Publication

Mapping the Digital Divide: Before, During, and After COVID-19

Francesco Bronzino, Nick Feamster, Shinan Liu, James Saxon, Paul Schmitt
The digital divide—and, in particular, the homework gap—has been exacerbated by the COVID-19 pandemic, laying bare not only the inequities...
Feb 18, 2021