This may result in {HEAD ~ an easier expandability} from both the simulator interface side and {TAIL ~ the physical network setup} and installation 
from
This may result in { HEAD ~ an easier expandability } from both the simulator interface side and { TAIL ~ the physical network setup } and installation
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH