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