wherein said at least one data port interface is configured to receive data which includes a packet having headers, {HEAD ~ said portion} of said data comprises {TAIL ~ a parsed field} derived from said headers 
wherein said at least one data port interface is configured to receive data which includes a packet having headers , { HEAD ~ said portion } of said data comprises { TAIL ~ a parsed field } derived from said headers
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 OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH