availability. Similar to <b>hosts</b> attribute.
\li <b>state_file</b>: Allow you to use a file as input for states.
Similar to <b>hosts</b> attribute.
+\li <b>loopback_bw </b>: bandwidth for loopback (if any). See <b>link</b>
+ section for syntax/details. If both loopback_* attributes are omitted,
+ no loopback link is created and all intra-node communication will
+ use the main network link of the node.
+\li <b>loopback_lat </b>: latency for loopback (if any). See <b>link</b>
+ section for syntax/details. See bb_bw for more info.
+
the router name is defined as the resulting String in the following
java line of code:
