This invention relates generally to networking technologies utilized by and incorporated within industrial process control networks and, more particularly, relates to redundant physical network configurations utilized by such networks to ensure {TAIL ~ reliable access} to critical data and computing systems for monitoring and controlling {HEAD ~ industrial processes} 
This invention relates generally to networking technologies utilized by and incorporated within industrial process control networks and , more particularly , relates to redundant physical network configurations utilized by such networks to ensure { TAIL ~ reliable access } to critical data and computing systems for monitoring and controlling { HEAD ~ industrial processes }
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