A multiple agent system providing each of a plurality of agents, {TAIL ~ i.e., processors}, access to {HEAD ~ a shared synchronous memory} 
A multiple agent system providing each of a plurality of agents , { TAIL ~ i.e. , processors } , access to { HEAD ~ a shared synchronous memory }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD