-networks, possibly even in other locations.
-At the upper level, such a network is called
-<b>Autonomous System (AS)</b>, while at the lower level it is named
-sub-network, or LAN (local area network).
-They are indeed autonomous: routing is defined
-(within the limits of his network) by the administrator, and so, those
-networks can operate without a connection to other
-networks. So-called gateways allow you to go from one network to
-another, if such a (physical) connection exists. Every node in one network
-that can be directly reached (i.e., without traversing other nodes) from
-another network is called a gateway.
-Each autonomous system consists of equipment such as cables (network links),
-routers and switches as well as computers.
-
-The structure of the SimGrid platform description relies exactly on the same
-concept as a real-life platform (see above). Every resource (computers,
-network equipment etc.) belongs to an AS, which can be defined by using the
-\<AS\> tag. Within an AS, the routing between its elements can be defined
-abitrarily. There are several modes for routing, and exactly one mode must be
-selected by specifying the routing attribute in the AS tag:
+networks, possibly even in other locations. At the upper level, such a
+network is called <b>Autonomous System (AS)</b>, while at the lower
+level it is named sub-network, or LAN (local area network). They are
+indeed autonomous: routing is defined (within the limits of his
+network) by the administrator, and so, those networks can operate
+without a connection to other networks. So-called gateways allow you
+to go from one network to another, if such a (physical) connection
+exists. Every node in one network that can be directly reached (i.e.,
+without traversing other nodes) from another network is called a
+gateway. Each autonomous system consists of equipment such as cables
+(network links), routers and switches as well as computers.
+
+The structure of the SimGrid platform description relies exactly on
+the same concept as a real-life platform (see above). Every resource
+(computers, network equipment etc.) belongs to an AS, which can be
+defined by using the \<AS\> tag. Within an AS, the routing between its
+elements can be defined abitrarily. There are several modes for
+routing, and exactly one mode must be selected by specifying the
+routing attribute in the AS tag: