Read here: http://www.zytrax.com/books/dns/ On Thu, Feb 14, 2008 at 12:07 PM, F GV <fgv1000 at yahoo.com.mx> wrote: > > Hi everyone, > > I would like to understand clearly this concepts. I > have read about them but just want to confirm. > Thanks in advance. > > What forward is for? > What recursion is for?