NSI policy on lame delagations

Ok, so here's the stupid question of the month (and I ask this with all
due regard for the time and effort Paul has put into BIND)...

Given (for example) PostGreSQL, is there any reason why someone hasn't
ported the algorithms of BIND on top of something like it? It seems to
me that it ought to be possible to keep a nameserver running whilst one
is doing maintenance on it...

(and PS: I realize that the answer to this may amount to Nameserver
101; if you think so, respond privately; I'll summarize to any one who

-- jra

  lbnamed - R.Schemers (stanford)