{HEAD ~ The node controller} receives transactions from a master device, communicates with a master device as another master device or as a slave device, and {TAIL ~ queues transactions} received from a master device 
{ HEAD ~ The node controller } receives transactions from a master device , communicates with a master device as another master device or as a slave device , and { TAIL ~ queues transactions } received from a master device
HEAD 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 OTH OTH OTH OTH OTH