-<!DOCTYPE platform SYSTEM "http://simgrid.gforge.inria.fr/simgrid/simgrid.dtd">
-<platform version="4">
-<!-- This is an example for a fat tree cluster.
-This is taken from figure 1/ b/ of the paper "D-Mod-K Routing Providing on-Blocking Traffic for Shift Permutations on
-Real Life Fat Trees" available at webee.technion.ac.il/publication-link/index/id/574
-This defines a two levels fat-tree, with 4 leaf switches connected to 4 nodes each and 2 core switches connected to
-each leaf switch by two cables -->
+<!DOCTYPE platform SYSTEM "https://simgrid.org/simgrid.dtd">
+<platform version="4.1">
+ <!-- This is an example for a fat tree cluster.
+ This is taken from figure 1/ b/ of the paper "D-Mod-K Routing Providing on-Blocking Traffic for Shift Permutations on
+ Real Life Fat Trees" available at http://webee.eedev.technion.ac.il/wp-content/uploads/2014/08/publication_574.pdf
+ This defines a two levels fat-tree, with 4 leaf switches connected to 4 nodes each and 2 core switches connected to
+ each leaf switch by two cables -->