+<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>