it is a variable and you can name it as you please. just make sure you refer to it in the tcl code with whatever name you chose! -Sita
> > hello, > > I am new to network simulator and also have no experience with tcl. > Right now, I am going through the tutorial from Marc Greis. In some > sample scripts "set ns_ [new Simulator]" is used for creating a > Sumulator object while other scripts go with a simple "ns" without a > succeeding "_" (underscore). I am totally unaware whether it is a tcl or > ns problem. > > Any idea/ hint is much appreciated. > > Cheers. > >