US wireless carrier throttling of online video is pervasive: study


  • TECH
  • Monday, 19 Aug 2019

Researchers found that AT&T Inc throttled Netflix Inc 70% of the time and Google’s YouTube service 74% of the time, but didn’t slow down Amazon.com Inc’s Prime Video at all. — Reuters

US wireless carriers have long said they may slow video traffic on their networks to avoid congestion and bottlenecks. But new research shows the throttling happens pretty much everywhere all the time.

Researchers from Northeastern University and University of Massachusetts Amherst conducted more than 650,000 tests in the US and found that from early 2018 to early 2019, AT&T Inc throttled Netflix Inc 70% of the time and Google’s YouTube service 74% of the time. But AT&T didn’t slow down Amazon.com Inc’s Prime Video at all.

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