UCB/LBNL Network Simulator Version 2
NS is a discrete event simulator targeted at networking research. 
NS provides substantial support for simulation of TCP, routing, and
multicast protocols. 

A graphical front-end for ns can be found in the nam package.

Maintainer: The OpenBSD ports mailing-list <ports@openbsd.org>

WWW: http://www.isi.edu/nsnam/ns/
