That's related to node structure. You can find details in the ns documentation. - Haobo On Sat, 17 Jul 1999 scooper@nmsu.edu wrote: > > I'm trying to figure out which object is the receiver of > TCP send(p,0) -- called from the output method of TCP. > > Is the NODE the recipient or is there an IP object? > > > Shaun Cooper > New Mexico State University > scooper@nmsu.edu > >