Update km3net.tex

contributions/km3net/km3net.tex

@@ -211,7 +211,7 @@ resources at CNAF has been so far below the figures for a
 units are added in the following years. KM3NeT software that
 runs on the GRID can use CNAF computing nodes in opportunistic mode.
 
-Already now, the data handling policy to safeguard the products of Tier-0
+Already now, the data handling policy to safeguard the products of Tier 0
 is in place. Automatic synchronization from each shore station to both 
 CC-IN2P3 and CNAF runs daily and provides two maximally separated 
 paths from the data production site to final storage places. Mirroring
@@ -219,11 +219,11 @@ and redundancy preservation between CC-IN2P3 and CNAF are foreseen and
 currently at an early stage.
 
 CNAF has already added relevant contributions to KM3NeT in terms of 
-know-how for IT solution deployment, e.g.~the above-mentioned synchronisation, software development solutions and the software-defined network at the Tier-0 at 
+know-how for IT solution deployment, e.g.~the above-mentioned synchronisation, software development solutions and the software-defined network at the Tier 0 at 
 the Italian site. Setting up Software Defined Networks (SDN) for data 
 acquisition deserves a special mention. The SDN technology\cite{SDN} is used to 
 configure and operate the mission-critical fabric of switches/routers 
-that interconnects all the on-shore resources in Tier-0 stations. The 
+that interconnects all the on-shore resources in Tier 0 stations. The 
 KM3NeT DAQ is built around switches compliant with the OpenFlow 1.3 
 protocol and managed by dedicated controller servers. With a limited 
 number of Layer-2 forwarding rules, developed on purpose for the KM3NeT