<?xml version='1.0'?>
 <!DOCTYPE platform SYSTEM "http://simgrid.gforge.inria.fr/simgrid.dtd">
 <platform version="3">
 <AS  id="AS0"  routing="Dijkstra">
	<host id="host1" power="1Gf"/>
	<host id="host2" power="1Gf"/>
	<host id="host3" power="1Gf"/>
	<host id="host4" power="1Gf"/>
 
	<link id="link1" bandwidth="125GBps" latency="50us"/>
	<link id="link2" bandwidth="125MBps" latency="5us"/>
	<link id="link3" bandwidth="125kBps" latency="500ns"/>
	<link id="link4" bandwidth="125Bps" latency="5ns"/>  
	 
   <route src="host1" dst="host2" symmetrical="NO">
     <link_ctn id="link1"/>
   </route>
   <route src="host2" dst="host1" symmetrical="NO">
     <link_ctn id="link1"/>
   </route> 
   
   <route src="host1" dst="host3" symmetrical="NO">
     <link_ctn id="link2"/>
   </route>
   <route src="host3" dst="host1" symmetrical="NO">
     <link_ctn id="link2"/>
   </route>
   
 </AS>
 </platform>