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