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