On Jul 20, 2015, at 2:20 PM, John C Klensin <john-ietf(_at_)jck(_dot_)com>
wrote:
More generally and with the understanding that
it doesn't actually help us make progress, it would be plausible
to answer your question above with "CLASSes work fine, it is
URLs that are broken and don't work".
OK, let’s run with that for a bit. Suppose we change URLs. What about
hostnames for ssh? What about for ftp? What about for every other place
where hostnames are used?