When I worked for an ISP, it was about 70%, not sure if that is the case with the other ones.

On 8/12/2020 3:31 AM, Hank Nussbacher wrote:

At what point do commercial ISPs upgrade links in their backbone as well as peering and transit links that are congested? At 80% capacity? 90%? 95%?

Thanks,
Hank

Caveat: The views expressed above are solely my own and do not express the views or opinions of my employer