Selecting one of {TAIL ~ multiple redundant network access points} on a node within {HEAD ~ an industrial process control network} 
Selecting one of { TAIL ~ multiple redundant network access points } on a node within { HEAD ~ an industrial process control network }
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD