print " In a sense, it reflects the topology of a National Research and Education\n";
print " Network (NREN), but not of a full-fledged computational platform.\n";
print " The caracteristics of each cluster have been artificially added.\n";
print " In a sense, it reflects the topology of a National Research and Education\n";
print " Network (NREN), but not of a full-fledged computational platform.\n";
print " The caracteristics of each cluster have been artificially added.\n";