receiving {TAIL ~ initialization data} at said central control unit from a user that specifies {HEAD ~ operational characteristics} of said system under test, said initialization data defining said plurality of operationally interdependent components; and 
receiving { TAIL ~ initialization data } at said central control unit from a user that specifies { HEAD ~ operational characteristics } of said system under test , said initialization data defining said plurality of operationally interdependent components ; and
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH