I mean stuff like “we agreed on settlement-free peering at a time when you were sending me about as much as I you, but now you’re sending me 20% more / your tra

I mean stuff like “we agreed on settlement-free peering at a time when you were sending me about as much as I you, but now you’re sending me 20% more / your traffic is small enough I figure I can pressure you / etc. so the deal’s off, you pay me now.” That’s what I’ve heard, anyway—I’m sure there are people maintaining actual tier-1 networks lurking around here.