The steps of the method include receiving data by the network switch and parsing {HEAD ~ the data} to obtain {TAIL ~ a portion} of the data 
The steps of the method include receiving data by the network switch and parsing { HEAD ~ the data } to obtain { TAIL ~ a portion } of the data
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH