> Yeah, that's why I was limiting the need (requirement) to only 1-few
> ASN hops upstream. I view this as similar to some backbones offering
> a special blackhole everything BGP community that usually is not
> transitive. This is the Oh Crap, Don't Blackhole Everything but Slow
> Stuff Down BGP community.

and the two hops upstream but not the source router spools the packets
to the hard drive?

Ideally you'd want to influence the endpoint protocol stack, right? (Which brings us to the user trust thing.)