Therefore, the line concentrator of the present invention can be applied to an information processing system for {HEAD ~ efficiently executing process} of {TAIL ~ data} 
of
Therefore , the line concentrator of the present invention can be applied to an information processing system for { HEAD ~ efficiently executing process } of { TAIL ~ data }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL