The measure that is used is not important for the purpose of this method, as long as {HEAD ~ a cost} is associated with every logical path in {TAIL ~ the network} 
The measure that is used is not important for the purpose of this method , as long as { HEAD ~ a cost } is associated with every logical path in { TAIL ~ the network }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL