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