Alternate Root Systems
My personal position on alternate roots is pretty clear: They are a Stupid
Idea.
The details can be found in RFC 2826, "IAB
Technical Comment on the Unique DNS Root".
One pretty damning detail is that the root systems don't agree with
each other.
This page contains links to some of them.
There are surely more. I don't really want to know about them.
Pretty much, they seem out on a collective binge to prove that despite
all the faults of ICANN, the alternatives
are still worse.