From: Hugo Santos <redacted>
Date: Wed, 2 Aug 2006 01:58:49 +0100

   Still regarding Subtrees, is there any interest in revitalizing that
 code? I have a couple patches that i could submit.

I'm not sure.  If we implement a routing cache front end
for the ipv6 FIB, which is very likely, the backend data
structures aren't so important any longer.