<host id="bob" speed="500Mf"/>
<link id="link1" bandwidth="125MBps" latency="50us"/>
<link id="link2" bandwidth="125MBps" latency="50us" sharing_policy="FATPIPE"/>
<link id="link3" bandwidth="80MBps" latency="100us" bandwidth_file="link.bw" latency_file="link.lat"/>
<link id="link4" bandwidth="80MBps" latency="100us" state_file="link.fail"/>
<host id="bob" speed="500Mf"/>
<link id="link1" bandwidth="125MBps" latency="50us"/>
<link id="link2" bandwidth="125MBps" latency="50us" sharing_policy="FATPIPE"/>
<link id="link3" bandwidth="80MBps" latency="100us" bandwidth_file="link.bw" latency_file="link.lat"/>
<link id="link4" bandwidth="80MBps" latency="100us" state_file="link.fail"/>