A network switch is disclosed having {TAIL ~ at least one data port interface} for receiving data and {HEAD ~ at least one link interface} configured to transmit the data between the network switch and other network switches 
A network switch is disclosed having { TAIL ~ at least one data port interface } for receiving data and { HEAD ~ at least one link interface } configured to transmit the data between the network switch and other network switches
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH