The data is forwarded from the network switch based on {TAIL ~ the processing} performed by {HEAD ~ the dedicated modules} 
The data is forwarded from the network switch based on { TAIL ~ the processing } performed by { HEAD ~ the dedicated modules }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD