It's a net neutrality whodunnit: Boffins devise way to detect who's throttling transit

Simple, really – follow the congested links

Back when net neutrality was a thing, engineers at the Center for Applied Internet Data Analysis (CAIDA) tested US interdomain links, and found them mostly flowing freely.…

via The Register - Data Centre: Networks
http://go.theregister.com/feed/www.theregister.co.uk/2018/08/24/caida_transit_neutrality_measurements/