{HEAD ~ The apparatus} further includes {TAIL ~ a transmitter} for transmitting the received data packet to the determined destination when no other switch controller intends to transmit to the determined destination 
includes
{ HEAD ~ The apparatus } further includes { TAIL ~ a transmitter } for transmitting the received data packet to the determined destination when no other switch controller intends to transmit to the determined destination
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL 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 OTH OTH