The super agent has direct access to {HEAD ~ the shared synchronous memory}, without negotiation and arbitration, while the non super agents access {TAIL ~ the shared synchronous memory} under the control of an arbiter and switch 
The super agent has direct access to { HEAD ~ the shared synchronous memory } , without negotiation and arbitration , while the non super agents access { TAIL ~ the shared synchronous memory } under the control of an arbiter and switch
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH 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 OTH