<ASroute src="bob_cluster" dst="alice_cluster" gw_src="bobrouter.hamburger.edu" gw_dst="alicerouter.crepe.fr">
<link:ctn id="backbone"/>
</ASroute>
+ <ASroute src="alice_cluster" dst="bob_cluster" gw_src="alicerouter.crepe.fr" gw_dst="bobrouter.hamburger.edu">
+ <link:ctn id="backbone"/>
+ </ASroute>
</AS>
</platform>