<cluster id="acme" prefix="node-" suffix=".acme.org" radical="0-4" speed="1Gf"
bw="125MBps" lat="50us" bb_bw="2.25GBps" bb_lat="500us">
+ <!-- these props will be attached to the network zone constituting the cluster -->
<prop id="bla" value="acme cluster"/>
<prop id="Hdd" value="180"/>
<prop id="mem" value="42"/>