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