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