The internal decision making engine generates {TAIL ~ a forwarding port vector} and outputs the result for {HEAD ~ data forwarding purposes} 
The internal decision making engine generates { TAIL ~ a forwarding port vector } and outputs the result for { HEAD ~ data forwarding purposes }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD