RoutingEdge *src = sg_host_edge(sg_host_by_name(srcName));
RoutingEdge *dst = sg_host_edge(sg_host_by_name(dstName));
xbt_assert(src,"Cannot get the route from a NULL source");
RoutingEdge *src = sg_host_edge(sg_host_by_name(srcName));
RoutingEdge *dst = sg_host_edge(sg_host_by_name(dstName));
xbt_assert(src,"Cannot get the route from a NULL source");