set xlabel "time [s]"
set ylabel "throughput [pkts/s]"
set key bel

# In the plotting command, the argument ($i) denotes the ith column of the input data file
plot "fairnessMon1.tr" u ($1):($3) t "flow: 2 - 3" w lp, "fairnessMon2.tr" u ($1):($3) t "flow: 4 - 5" w lp, "fairnessMon3.tr" u ($1):($3) t "flow: 6 - 7" w lp, "fairnessMon4.tr" u ($1):($3) t "flow: 8 - 9" w lp, "fairnessMon5.tr" u ($1):($3) t "flow: 10 - 11" w lp   

set term png
set output "fairness_pps.png" 
replot
pause -1