no loopback link is created and all intra-node communication will
use the main network link of the node. Loopback link is a <b>FATPIPE</b>.
\li <b>loopback_lat </b>: latency for loopback (if any). See <b>link</b>
- section for syntax/details. See bb_bw for more info.
+ section for syntax/details. See loopback_bw for more info.
\li <b>topology </b>: network topology to use. For now SimGrid supports FLAT
(default, with or without backbone, as described before) or
<a href="http://en.wikipedia.org/wiki/Torus_interconnect">TORUS
