{TAIL ~ The control portion} may also contain control parameters for each specific component along the transmit or receive path to coordinate the processing of {HEAD ~ the packets} 
{ TAIL ~ The control portion } may also contain control parameters for each specific component along the transmit or receive path to coordinate the processing of { HEAD ~ the packets }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD