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