In any case, the L2 network access tier devices may determine a security class for {HEAD ~ groups} of {TAIL ~ the individual end user devices} based on the collected information 
In any case , the L2 network access tier devices may determine a security class for { HEAD ~ groups } of { TAIL ~ the individual end user devices } based on the collected information
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH