-It is possible to use discrete-event network simulator <a href="http://www.nsnam.org/">(ns-3)</a> for Internet systems
-instead of the default one.
-
-A ns-3 platform is created according to the platform file you provide in SimGrid format. However from this configuration, we had to set up some extra parameters :
-
-<ul>
-<li>
-First, whenever possible, we let default ns3 values and we don't changed it ; in case you have doubts on values for those parameters (TCP parameters for example), blame ns-3...
-</li>
-
-<li>
-Second, routing used inside ns-3 is a global and static one, relying on a shortest path algorithm. We did so by using ns3::Ipv4GlobalRoutingHelper::PopulateRoutingTables.
-</li>
-
-<li>
-Third, we also choose to restrict the way your platform is built : end hosts cannot have more than one interface card (so, only one <link> in your SimGrid platform should link
-an end host to the platform ; if not, your end host will be considered as a router.
-</li>
-
-</ul>
-<i>
-To use ns3 model inside SimGrid you have to install at least the version 3.10 of ns3 simulator.
-</i>
-
-- <b>Download and enter the lateast release (here the 3.12.1)</b>
+The easiest is to install it with the package manager. Under
+Debian/Ubuntu, simply type as root: