Carrier classification

[bhuffake at caida.org (Bradley Huffaker)]

On Sun, May 14, 2017 at 09:24:18AM +0200, Mark Tinka wrote:
>
> Nowadays, I'm hearing this less and less, but it's not completely gone.

Putting aside the question of their importance, there is a small number
of ISPs that do no pay for transit. If you don't call them Tier 1, what
do you call them? Transit Free Providers (TFPs)?

-- 
    the value of a world model is not how accurately it captures reality
    but how often it leads us to take appropriate action