The route information of {HEAD ~ each link} of {TAIL ~ the plurality} of links is updated in real time 
of
The route information of { HEAD ~ each link } of { TAIL ~ the plurality } of links is updated in real time
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH