In one respect, proxy server 105 provides access between each of {HEAD ~ consoles} 120 and 130 and each of {TAIL ~ the control units} 150 and 165 
In one respect , proxy server 105 provides access between each of { HEAD ~ consoles } 120 and 130 and each of { TAIL ~ the control units } 150 and 165
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH