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