A “client machine” is used to perform tests on {HEAD ~ network products} that may be located within {TAIL ~ a communications test network} using a variety of test cases 
located within
A “ client machine ” is used to perform tests on { HEAD ~ network products } that may be located within { TAIL ~ a communications test network } using a variety of test cases
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH