> > It's not just the size of the root that matters - the distribution > > of usage (and thus locality of reference) also matters. > > For those in databases: What runs more smoothly: a few subgroups in a > main group with millions of records, or a few thousand subgroups with > thousands of records? while you are asking questions, you might as well ask others: which scales better? which is more failure-tolerant? > > The point is that if removing constraints on the root causes problems > > (and there are reasons to believe that it will) we can't easily go back > > to the way things were before. > > Sure, call it a testbed, like the IDN-testbed of VeriSign. please don't use VeriSign's abuse of DNS to justify further abuse. Keith