The apparatus includes a data packet receiver for receiving {TAIL ~ a data packet} and {HEAD ~ a processor} for determining the destination of the data packet 
The apparatus includes a data packet receiver for receiving { TAIL ~ a data packet } and { HEAD ~ a processor } for determining the destination of the data packet
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH