This was a pretty recent change. Netflix has classically relied on third-party CDN providers. They launched the streaming service in 2007, and it took them 9 ye

This was a pretty recent change. Netflix has classically relied on third-party CDN providers. They launched the streaming service in 2007, and it took them 9 years to move 100% of their traffic to their own CDN infrastructure. That said, they still have one of the largest AWS footprints.