$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ one_cluster.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="bob0.hamburger.edu" power="1000000000"/>
>   <host id="bob2.hamburger.edu" power="1000000000"/>
>   <host id="bob3.hamburger.edu" power="1000000000"/>
>   <host id="bob4.hamburger.edu" power="1000000000"/>
>   <host id="bob6.hamburger.edu" power="1000000000"/>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <link id="bob0.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob2.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob3.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob4.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob6.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob_cluster_bb" bandwidth="2250000000" latency="0.000500000" sharing_policy="FATPIPE"/>
>   <route src="bob0.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob6.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob6.hamburger.edu"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob6.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob6.hamburger.edu"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob6.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob6.hamburger.edu"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob6.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob6.hamburger.edu"/>
>   </route>
>   <route src="bob6.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob6.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="bob6.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob6.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="bob6.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob6.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="bob6.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob6.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="bob6.hamburger.edu" dst="bob6.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
> </platform>

p stop here.
$ false

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ one_cluster_foreach.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="bob0.hamburger.edu" power="1000000000"/>
>   <host id="bob2.hamburger.edu" power="1000000000"/>
>   <host id="bob3.hamburger.edu" power="1000000000"/>
>   <host id="bob4.hamburger.edu" power="1000000000"/>
>   <host id="bob6.hamburger.edu" power="1000000000"/>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <link id="bob0.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob2.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob3.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob4.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob6.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob_backbone" bandwidth="2250000000" latency="0.000500000" sharing_policy="FATPIPE"/>
>   <route src="bob0.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_backbone"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_backbone"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_backbone"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob6.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_backbone"/><link:ctn id="bob6.hamburger.edu"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_backbone"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_backbone"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_backbone"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob6.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_backbone"/><link:ctn id="bob6.hamburger.edu"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_backbone"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_backbone"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_backbone"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob6.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_backbone"/><link:ctn id="bob6.hamburger.edu"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_backbone"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_backbone"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_backbone"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob6.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_backbone"/><link:ctn id="bob6.hamburger.edu"/>
>   </route>
>   <route src="bob6.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob6.hamburger.edu"/><link:ctn id="bob_backbone"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="bob6.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob6.hamburger.edu"/><link:ctn id="bob_backbone"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="bob6.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob6.hamburger.edu"/><link:ctn id="bob_backbone"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="bob6.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob6.hamburger.edu"/><link:ctn id="bob_backbone"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="bob6.hamburger.edu" dst="bob6.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
> </platform>

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ one_cluster_one_host_random.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="bob" power="1599999973"/>
>   <host id="bob0.hamburger.edu" power="1599999995"/>
>   <host id="bob1.hamburger.edu" power="1599999981"/>
>   <host id="bob2.hamburger.edu" power="1600000001"/>
>   <host id="bob3.hamburger.edu" power="1599999990"/>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <link id="bob0.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob1.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob2.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob3.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <route src="bob" dst="bob">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob" dst="bob0.hamburger.edu">
>     
>   </route>
>   <route src="bob" dst="bob1.hamburger.edu">
>     
>   </route>
>   <route src="bob" dst="bob2.hamburger.edu">
>     
>   </route>
>   <route src="bob" dst="bob3.hamburger.edu">
>     
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob">
>     
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob1.hamburger.edu">
>     
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob2.hamburger.edu">
>     
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob3.hamburger.edu">
>     
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob">
>     
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob0.hamburger.edu">
>     
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob1.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob2.hamburger.edu">
>     
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob3.hamburger.edu">
>     
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob">
>     
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob0.hamburger.edu">
>     
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob1.hamburger.edu">
>     
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob3.hamburger.edu">
>     
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob">
>     
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob0.hamburger.edu">
>     
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob1.hamburger.edu">
>     
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob2.hamburger.edu">
>     
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
> </platform>

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ one_cluster_one_host.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="bob0.hamburger.edu" power="1000000000"/>
>   <host id="bob1.hamburger.edu" power="1000000000"/>
>   <host id="bob2.hamburger.edu" power="1000000000"/>
>   <host id="bob3.hamburger.edu" power="1000000000"/>
>   <host id="bob4.hamburger.edu" power="1000000000"/>
>   <host id="trudy" power="250000000"/>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <link id="backbone" bandwidth="1250000000" latency="0.000500000"/>
>   <link id="bob0.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob1.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob2.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob3.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob4.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob_cluster_bb" bandwidth="2250000000" latency="0.000500000" sharing_policy="FATPIPE"/>
>   <route src="bob0.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob1.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob1.hamburger.edu"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="trudy">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="backbone"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob1.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="trudy">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="backbone"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob1.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="trudy">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="backbone"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob1.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob1.hamburger.edu"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="trudy">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="backbone"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob1.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob1.hamburger.edu"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="trudy">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="backbone"/>
>   </route>
>   <route src="trudy" dst="bob0.hamburger.edu">
>     <link:ctn id="backbone"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="trudy" dst="bob1.hamburger.edu">
>     <link:ctn id="backbone"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob1.hamburger.edu"/>
>   </route>
>   <route src="trudy" dst="bob2.hamburger.edu">
>     <link:ctn id="backbone"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="trudy" dst="bob3.hamburger.edu">
>     <link:ctn id="backbone"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="trudy" dst="bob4.hamburger.edu">
>     <link:ctn id="backbone"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="trudy" dst="trudy">
>     <link:ctn id="__loopback__"/>
>   </route>
> </platform>

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ one_cluster_properties_foreach.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="bob0.hamburger.edu" power="1000000000">
>     <prop id="cores" value="2"/>
>     <prop id="os" value="Linux"/>
>   </host>
>   <host id="bob2.hamburger.edu" power="1000000000">
>     <prop id="cores" value="2"/>
>     <prop id="os" value="Linux"/>
>   </host>
>   <host id="bob3.hamburger.edu" power="1000000000">
>     <prop id="cores" value="2"/>
>     <prop id="os" value="Linux"/>
>   </host>
>   <host id="bob4.hamburger.edu" power="1000000000">
>     <prop id="cores" value="2"/>
>     <prop id="os" value="Linux"/>
>   </host>
>   <host id="bob6.hamburger.edu" power="1000000000">
>     <prop id="cores" value="2"/>
>     <prop id="os" value="Linux"/>
>   </host>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <link id="bob0.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob2.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob3.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob4.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob6.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <route src="bob0.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob2.hamburger.edu">
>     
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob3.hamburger.edu">
>     
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob4.hamburger.edu">
>     
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob6.hamburger.edu">
>     
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob0.hamburger.edu">
>     
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob3.hamburger.edu">
>     
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob4.hamburger.edu">
>     
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob6.hamburger.edu">
>     
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob0.hamburger.edu">
>     
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob2.hamburger.edu">
>     
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob4.hamburger.edu">
>     
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob6.hamburger.edu">
>     
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob0.hamburger.edu">
>     
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob2.hamburger.edu">
>     
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob3.hamburger.edu">
>     
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob6.hamburger.edu">
>     
>   </route>
>   <route src="bob6.hamburger.edu" dst="bob0.hamburger.edu">
>     
>   </route>
>   <route src="bob6.hamburger.edu" dst="bob2.hamburger.edu">
>     
>   </route>
>   <route src="bob6.hamburger.edu" dst="bob3.hamburger.edu">
>     
>   </route>
>   <route src="bob6.hamburger.edu" dst="bob4.hamburger.edu">
>     
>   </route>
>   <route src="bob6.hamburger.edu" dst="bob6.hamburger.edu">
>     <link:ctn id="__loopback__"/>
>   </route>
> </platform>

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ one_cluster_properties_override.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ one_host_availability.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="bob" power="500000000"/>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <route src="bob" dst="bob">
>     <link:ctn id="__loopback__"/>
>   </route>
> </platform>

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ one_host_properties.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="bob" power="1000000000">
>     <prop id="OS" value="Linux 2.6.22-14"/>
>     <prop id="disk" value="80E9"/>
>     <prop id="memory" value="1000000000"/>
>   </host>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <route src="bob" dst="bob">
>     <link:ctn id="__loopback__"/>
>   </route>
> </platform>

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ one_host_state_file.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="bob" power="500000000"/>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <route src="bob" dst="bob">
>     <link:ctn id="__loopback__"/>
>   </route>
> </platform>

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ one_host_state_off.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="bob" power="500000000"/>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <route src="bob" dst="bob">
>     <link:ctn id="__loopback__"/>
>   </route>
> </platform>

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ one_host_state_on.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="bob" power="500000000"/>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <route src="bob" dst="bob">
>     <link:ctn id="__loopback__"/>
>   </route>
> </platform>

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ one_host_trace_file.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ one_host_trace_inside.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="bob" power="1000000000"/>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <route src="bob" dst="bob">
>     <link:ctn id="__loopback__"/>
>   </route>
> </platform>

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ one_host.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="bob" power="500000000"/>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <route src="bob" dst="bob">
>     <link:ctn id="__loopback__"/>
>   </route>
> </platform>

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ one_link_availability.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="bob" power="500000000"/>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <link id="link1" bandwidth="80000000" latency="0.000100000"/>
>   <route src="bob" dst="bob">
>     <link:ctn id="__loopback__"/>
>   </route>
> </platform>

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ one_link_fatpipe.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="bob" power="500000000"/>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <link id="link1" bandwidth="125000000" latency="0.000050000" sharing_policy="FATPIPE"/>
>   <route src="bob" dst="bob">
>     <link:ctn id="__loopback__"/>
>   </route>
> </platform>

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ one_link_shared.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="bob" power="500000000"/>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <link id="link1" bandwidth="125000000" latency="0.000050000"/>
>   <route src="bob" dst="bob">
>     <link:ctn id="__loopback__"/>
>   </route>
> </platform>

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ one_link_state_file.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="bob" power="500000000"/>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <link id="link1" bandwidth="80000000" latency="0.000100000"/>
>   <route src="bob" dst="bob">
>     <link:ctn id="__loopback__"/>
>   </route>
> </platform>

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ route_override.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="alice0.crepe.fr" power="1000000000"/>
>   <host id="alice1.crepe.fr" power="1000000000"/>
>   <host id="alice2.crepe.fr" power="1000000000"/>
>   <host id="alice3.crepe.fr" power="1000000000"/>
>   <host id="alice4.crepe.fr" power="1000000000"/>
>   <host id="bob0.hamburger.edu" power="1000000000"/>
>   <host id="bob1.hamburger.edu" power="1000000000"/>
>   <host id="bob2.hamburger.edu" power="1000000000"/>
>   <host id="bob3.hamburger.edu" power="1000000000"/>
>   <host id="bob4.hamburger.edu" power="1000000000"/>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <link id="alice0.crepe.fr" bandwidth="125000000" latency="0.000050000"/>
>   <link id="alice1.crepe.fr" bandwidth="125000000" latency="0.000050000"/>
>   <link id="alice2.crepe.fr" bandwidth="125000000" latency="0.000050000"/>
>   <link id="alice3.crepe.fr" bandwidth="125000000" latency="0.000050000"/>
>   <link id="alice4.crepe.fr" bandwidth="125000000" latency="0.000050000"/>
>   <link id="alice_cluster_bb" bandwidth="2250000000" latency="0.000500000" sharing_policy="FATPIPE"/>
>   <link id="backbone" bandwidth="1250000000" latency="0.000500000"/>
>   <link id="bob0.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob1.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob2.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob3.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob4.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob_cluster_bb" bandwidth="2250000000" latency="0.000500000" sharing_policy="FATPIPE"/>
>   <route src="alice0.crepe.fr" dst="alice0.crepe.fr">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="alice1.crepe.fr">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="alice2.crepe.fr">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="alice3.crepe.fr">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="alice4.crepe.fr">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="bob0.hamburger.edu">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="bob1.hamburger.edu">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob1.hamburger.edu"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="bob2.hamburger.edu">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="bob3.hamburger.edu">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="bob4.hamburger.edu">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="alice0.crepe.fr">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="alice1.crepe.fr">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="alice2.crepe.fr">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="alice3.crepe.fr">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="alice4.crepe.fr">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="bob0.hamburger.edu">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="bob1.hamburger.edu">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob1.hamburger.edu"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="bob2.hamburger.edu">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="bob3.hamburger.edu">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="bob4.hamburger.edu">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="alice0.crepe.fr">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="alice1.crepe.fr">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="alice2.crepe.fr">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="alice3.crepe.fr">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="alice4.crepe.fr">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="bob0.hamburger.edu">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="bob1.hamburger.edu">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob1.hamburger.edu"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="bob2.hamburger.edu">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="bob3.hamburger.edu">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="bob4.hamburger.edu">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="alice0.crepe.fr">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="alice1.crepe.fr">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="alice2.crepe.fr">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="alice3.crepe.fr">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="alice4.crepe.fr">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="bob0.hamburger.edu">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="bob1.hamburger.edu">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob1.hamburger.edu"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="bob2.hamburger.edu">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="bob3.hamburger.edu">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="bob4.hamburger.edu">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="alice0.crepe.fr">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="alice1.crepe.fr">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="alice2.crepe.fr">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="alice3.crepe.fr">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="alice4.crepe.fr">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="bob0.hamburger.edu">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="bob1.hamburger.edu">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob1.hamburger.edu"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="bob2.hamburger.edu">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="bob3.hamburger.edu">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="bob4.hamburger.edu">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="alice0.crepe.fr">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice0.crepe.fr"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="alice1.crepe.fr">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice1.crepe.fr"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="alice2.crepe.fr">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice2.crepe.fr"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="alice3.crepe.fr">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice3.crepe.fr"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="alice4.crepe.fr">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice4.crepe.fr"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob1.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob1.hamburger.edu"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="alice0.crepe.fr">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice0.crepe.fr"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="alice1.crepe.fr">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice1.crepe.fr"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="alice2.crepe.fr">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice2.crepe.fr"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="alice3.crepe.fr">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice3.crepe.fr"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="alice4.crepe.fr">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice4.crepe.fr"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob1.hamburger.edu">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="alice0.crepe.fr">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice0.crepe.fr"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="alice1.crepe.fr">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice1.crepe.fr"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="alice2.crepe.fr">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice2.crepe.fr"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="alice3.crepe.fr">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice3.crepe.fr"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="alice4.crepe.fr">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice4.crepe.fr"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob1.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="alice0.crepe.fr">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice0.crepe.fr"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="alice1.crepe.fr">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice1.crepe.fr"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="alice2.crepe.fr">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice2.crepe.fr"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="alice3.crepe.fr">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice3.crepe.fr"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="alice4.crepe.fr">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice4.crepe.fr"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob1.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="alice0.crepe.fr">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice0.crepe.fr"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="alice1.crepe.fr">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice1.crepe.fr"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="alice2.crepe.fr">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice2.crepe.fr"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="alice3.crepe.fr">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice3.crepe.fr"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="alice4.crepe.fr">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice4.crepe.fr"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob1.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
> </platform>

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ three_hosts_non_symmetric_route.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="alice" power="500000000"/>
>   <host id="bob" power="1000000000"/>
>   <host id="trudy" power="250000000"/>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <link id="link1" bandwidth="125000000" latency="0.000050000"/>
>   <link id="link2" bandwidth="125000000" latency="0.000050000"/>
>   <link id="link3" bandwidth="125000000" latency="0.000050000"/>
>   <route src="alice" dst="alice">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="alice" dst="bob">
>     <link:ctn id="link2"/><link:ctn id="link3"/>
>   </route>
>   <route src="alice" dst="trudy">
>     <link:ctn id="link3"/>
>   </route>
>   <route src="bob" dst="alice">
>     <link:ctn id="link1"/>
>   </route>
>   <route src="bob" dst="bob">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="bob" dst="trudy">
>     <link:ctn id="link2"/>
>   </route>
>   <route src="trudy" dst="alice">
>     <link:ctn id="link3"/>
>   </route>
>   <route src="trudy" dst="bob">
>     <link:ctn id="link2"/>
>   </route>
>   <route src="trudy" dst="trudy">
>     <link:ctn id="__loopback__"/>
>   </route>
> </platform>

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ two_clusters_symmetric.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="alice0.crepe.fr" power="1000000000"/>
>   <host id="alice1.crepe.fr" power="1000000000"/>
>   <host id="alice2.crepe.fr" power="1000000000"/>
>   <host id="alice3.crepe.fr" power="1000000000"/>
>   <host id="alice4.crepe.fr" power="1000000000"/>
>   <host id="bob0.hamburger.edu" power="1000000000"/>
>   <host id="bob1.hamburger.edu" power="1000000000"/>
>   <host id="bob2.hamburger.edu" power="1000000000"/>
>   <host id="bob3.hamburger.edu" power="1000000000"/>
>   <host id="bob4.hamburger.edu" power="1000000000"/>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <link id="alice0.crepe.fr" bandwidth="125000000" latency="0.000050000"/>
>   <link id="alice1.crepe.fr" bandwidth="125000000" latency="0.000050000"/>
>   <link id="alice2.crepe.fr" bandwidth="125000000" latency="0.000050000"/>
>   <link id="alice3.crepe.fr" bandwidth="125000000" latency="0.000050000"/>
>   <link id="alice4.crepe.fr" bandwidth="125000000" latency="0.000050000"/>
>   <link id="alice_cluster_bb" bandwidth="2250000000" latency="0.000500000" sharing_policy="FATPIPE"/>
>   <link id="backbone" bandwidth="1250000000" latency="0.000500000"/>
>   <link id="bob0.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob1.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob2.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob3.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob4.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob_cluster_bb" bandwidth="2250000000" latency="0.000500000" sharing_policy="FATPIPE"/>
>   <route src="alice0.crepe.fr" dst="alice0.crepe.fr">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="alice1.crepe.fr">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="alice2.crepe.fr">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="alice3.crepe.fr">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="alice4.crepe.fr">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="bob0.hamburger.edu">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="bob1.hamburger.edu">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob1.hamburger.edu"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="bob2.hamburger.edu">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="bob3.hamburger.edu">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="bob4.hamburger.edu">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="alice0.crepe.fr">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="alice1.crepe.fr">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="alice2.crepe.fr">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="alice3.crepe.fr">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="alice4.crepe.fr">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="bob0.hamburger.edu">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="bob1.hamburger.edu">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob1.hamburger.edu"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="bob2.hamburger.edu">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="bob3.hamburger.edu">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="bob4.hamburger.edu">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="alice0.crepe.fr">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="alice1.crepe.fr">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="alice2.crepe.fr">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="alice3.crepe.fr">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="alice4.crepe.fr">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="bob0.hamburger.edu">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="bob1.hamburger.edu">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob1.hamburger.edu"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="bob2.hamburger.edu">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="bob3.hamburger.edu">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="bob4.hamburger.edu">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="alice0.crepe.fr">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="alice1.crepe.fr">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="alice2.crepe.fr">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="alice3.crepe.fr">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="alice4.crepe.fr">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="bob0.hamburger.edu">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="bob1.hamburger.edu">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob1.hamburger.edu"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="bob2.hamburger.edu">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="bob3.hamburger.edu">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="bob4.hamburger.edu">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="alice0.crepe.fr">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="alice1.crepe.fr">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="alice2.crepe.fr">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="alice3.crepe.fr">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="alice4.crepe.fr">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="bob0.hamburger.edu">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="bob1.hamburger.edu">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob1.hamburger.edu"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="bob2.hamburger.edu">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="bob3.hamburger.edu">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="bob4.hamburger.edu">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="alice0.crepe.fr">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice0.crepe.fr"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="alice1.crepe.fr">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice1.crepe.fr"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="alice2.crepe.fr">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice2.crepe.fr"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="alice3.crepe.fr">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice3.crepe.fr"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="alice4.crepe.fr">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice4.crepe.fr"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob1.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="alice0.crepe.fr">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice0.crepe.fr"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="alice1.crepe.fr">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice1.crepe.fr"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="alice2.crepe.fr">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice2.crepe.fr"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="alice3.crepe.fr">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice3.crepe.fr"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="alice4.crepe.fr">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice4.crepe.fr"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob1.hamburger.edu">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="alice0.crepe.fr">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice0.crepe.fr"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="alice1.crepe.fr">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice1.crepe.fr"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="alice2.crepe.fr">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice2.crepe.fr"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="alice3.crepe.fr">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice3.crepe.fr"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="alice4.crepe.fr">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice4.crepe.fr"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob1.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="alice0.crepe.fr">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice0.crepe.fr"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="alice1.crepe.fr">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice1.crepe.fr"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="alice2.crepe.fr">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice2.crepe.fr"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="alice3.crepe.fr">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice3.crepe.fr"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="alice4.crepe.fr">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice4.crepe.fr"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob1.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="alice0.crepe.fr">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice0.crepe.fr"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="alice1.crepe.fr">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice1.crepe.fr"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="alice2.crepe.fr">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice2.crepe.fr"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="alice3.crepe.fr">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice3.crepe.fr"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="alice4.crepe.fr">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice4.crepe.fr"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob1.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
> </platform>

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ two_clusters.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="alice0.crepe.fr" power="1000000000"/>
>   <host id="alice1.crepe.fr" power="1000000000"/>
>   <host id="alice2.crepe.fr" power="1000000000"/>
>   <host id="alice3.crepe.fr" power="1000000000"/>
>   <host id="alice4.crepe.fr" power="1000000000"/>
>   <host id="bob0.hamburger.edu" power="1000000000"/>
>   <host id="bob1.hamburger.edu" power="1000000000"/>
>   <host id="bob2.hamburger.edu" power="1000000000"/>
>   <host id="bob3.hamburger.edu" power="1000000000"/>
>   <host id="bob4.hamburger.edu" power="1000000000"/>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <link id="alice0.crepe.fr" bandwidth="125000000" latency="0.000050000"/>
>   <link id="alice1.crepe.fr" bandwidth="125000000" latency="0.000050000"/>
>   <link id="alice2.crepe.fr" bandwidth="125000000" latency="0.000050000"/>
>   <link id="alice3.crepe.fr" bandwidth="125000000" latency="0.000050000"/>
>   <link id="alice4.crepe.fr" bandwidth="125000000" latency="0.000050000"/>
>   <link id="alice_cluster_bb" bandwidth="2250000000" latency="0.000500000" sharing_policy="FATPIPE"/>
>   <link id="backbone" bandwidth="1250000000" latency="0.000500000"/>
>   <link id="bob0.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob1.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob2.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob3.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob4.hamburger.edu" bandwidth="125000000" latency="0.000050000"/>
>   <link id="bob_cluster_bb" bandwidth="2250000000" latency="0.000500000" sharing_policy="FATPIPE"/>
>   <route src="alice0.crepe.fr" dst="alice0.crepe.fr">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="alice1.crepe.fr">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="alice2.crepe.fr">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="alice3.crepe.fr">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="alice4.crepe.fr">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="bob0.hamburger.edu">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob0.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="bob1.hamburger.edu">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob1.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob1.hamburger.edu"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="bob2.hamburger.edu">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob2.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="bob3.hamburger.edu">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob3.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="alice0.crepe.fr" dst="bob4.hamburger.edu">
>     <link:ctn id="alice0.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob4.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="alice0.crepe.fr">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="alice1.crepe.fr">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="alice2.crepe.fr">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="alice3.crepe.fr">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="alice4.crepe.fr">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="bob0.hamburger.edu">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob0.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="bob1.hamburger.edu">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob1.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob1.hamburger.edu"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="bob2.hamburger.edu">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob2.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="bob3.hamburger.edu">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob3.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="alice1.crepe.fr" dst="bob4.hamburger.edu">
>     <link:ctn id="alice1.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob4.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="alice0.crepe.fr">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="alice1.crepe.fr">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="alice2.crepe.fr">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="alice3.crepe.fr">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="alice4.crepe.fr">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="bob0.hamburger.edu">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob0.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="bob1.hamburger.edu">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob1.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob1.hamburger.edu"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="bob2.hamburger.edu">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob2.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="bob3.hamburger.edu">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob3.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="alice2.crepe.fr" dst="bob4.hamburger.edu">
>     <link:ctn id="alice2.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob4.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="alice0.crepe.fr">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="alice1.crepe.fr">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="alice2.crepe.fr">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="alice3.crepe.fr">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="alice4.crepe.fr">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="bob0.hamburger.edu">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob0.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="bob1.hamburger.edu">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob1.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob1.hamburger.edu"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="bob2.hamburger.edu">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob2.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="bob3.hamburger.edu">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob3.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="alice3.crepe.fr" dst="bob4.hamburger.edu">
>     <link:ctn id="alice3.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob4.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="alice0.crepe.fr">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="alice1.crepe.fr">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="alice2.crepe.fr">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="alice3.crepe.fr">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="alice4.crepe.fr">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="alice_cluster_bb"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="bob0.hamburger.edu">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob0.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob0.hamburger.edu"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="bob1.hamburger.edu">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob1.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob1.hamburger.edu"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="bob2.hamburger.edu">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob2.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob2.hamburger.edu"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="bob3.hamburger.edu">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob3.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob3.hamburger.edu"/>
>   </route>
>   <route src="alice4.crepe.fr" dst="bob4.hamburger.edu">
>     <link:ctn id="alice4.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="bob4.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="bob4.hamburger.edu"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="alice0.crepe.fr">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice0.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice0.crepe.fr"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="alice1.crepe.fr">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice1.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice1.crepe.fr"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="alice2.crepe.fr">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice2.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice2.crepe.fr"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="alice3.crepe.fr">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice3.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice3.crepe.fr"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="alice4.crepe.fr">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice4.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice4.crepe.fr"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob1.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob0.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob0.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="alice0.crepe.fr">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice0.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice0.crepe.fr"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="alice1.crepe.fr">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice1.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice1.crepe.fr"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="alice2.crepe.fr">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice2.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice2.crepe.fr"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="alice3.crepe.fr">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice3.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice3.crepe.fr"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="alice4.crepe.fr">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice4.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice4.crepe.fr"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob1.hamburger.edu">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob1.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob1.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="alice0.crepe.fr">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice0.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice0.crepe.fr"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="alice1.crepe.fr">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice1.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice1.crepe.fr"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="alice2.crepe.fr">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice2.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice2.crepe.fr"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="alice3.crepe.fr">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice3.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice3.crepe.fr"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="alice4.crepe.fr">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice4.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice4.crepe.fr"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob1.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob2.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob2.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="alice0.crepe.fr">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice0.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice0.crepe.fr"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="alice1.crepe.fr">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice1.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice1.crepe.fr"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="alice2.crepe.fr">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice2.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice2.crepe.fr"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="alice3.crepe.fr">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice3.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice3.crepe.fr"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="alice4.crepe.fr">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice4.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice4.crepe.fr"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob1.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob3.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob3.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="alice0.crepe.fr">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice0.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice0.crepe.fr"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="alice1.crepe.fr">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice1.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice1.crepe.fr"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="alice2.crepe.fr">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice2.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice2.crepe.fr"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="alice3.crepe.fr">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice3.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice3.crepe.fr"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="alice4.crepe.fr">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="backbone"/><link:ctn id="alice4.crepe.fr"/><link:ctn id="backbone"/><link:ctn id="alice4.crepe.fr"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob0.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob1.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob2.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob3.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
>   <route src="bob4.hamburger.edu" dst="bob4.hamburger.edu">
>     <link:ctn id="bob4.hamburger.edu"/><link:ctn id="bob_cluster_bb"/>
>   </route>
> </platform>

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ two_hosts_multi_hop.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="alice" power="500000000"/>
>   <host id="bob" power="1000000000"/>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <link id="link_alice" bandwidth="125000000" latency="0.000050000"/>
>   <link id="link_bob" bandwidth="125000000" latency="0.000050000"/>
>   <link id="switch" bandwidth="125000000" latency="0.000050000" sharing_policy="FATPIPE"/>
>   <route src="alice" dst="alice">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="alice" dst="bob">
>     <link:ctn id="link_alice"/><link:ctn id="switch"/><link:ctn id="link_bob"/>
>   </route>
>   <route src="bob" dst="alice">
>     <link:ctn id="link_bob"/><link:ctn id="switch"/><link:ctn id="link_alice"/>
>   </route>
>   <route src="bob" dst="bob">
>     <link:ctn id="__loopback__"/>
>   </route>
> </platform>

$ ./simdag/platforms/flatifier --cfg=path:${srcdir:=.}/simdag/platforms/ two_hosts_one_link.xml
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'path' to './simdag/platforms/'
> <?xml version='1.0'?>
> <!DOCTYPE platform SYSTEM "simgrid.dtd">
> <platform version="2">
>   <host id="alice" power="500000000"/>
>   <host id="bob" power="1000000000"/>
>   <link id="__loopback__" bandwidth="498000000" latency="0.000015000" sharing_policy="FATPIPE"/>
>   <link id="link1" bandwidth="125000000" latency="0.000050000"/>
>   <route src="alice" dst="alice">
>     <link:ctn id="__loopback__"/>
>   </route>
>   <route src="alice" dst="bob">
>     <link:ctn id="link1"/>
>   </route>
>   <route src="bob" dst="alice">
>     <link:ctn id="link1"/>
>   </route>
>   <route src="bob" dst="bob">
>     <link:ctn id="__loopback__"/>
>   </route>
> </platform>