The network device notifies one or more other network devices in the network that {HEAD ~ traffic} that is received by {TAIL ~ the other network devices} is to be routed to the network device 
is received by
The network device notifies one or more other network devices in the network that { HEAD ~ traffic } that is received by { TAIL ~ the other network devices } is to be routed to the network device
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH