{HEAD ~ What measure} to use for {TAIL ~ the cost} between two neighboring devices, depends on the network at hand 
to use for
{ HEAD ~ What measure } to use for { TAIL ~ the cost } between two neighboring devices , depends on the network at hand
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH