network testing in one embodiment the delivery site file will have a format generally as follows 1 file revision number and message the file includes this field to determine whether a new version of the configuration utility 34 is available if the revision number in the delivery site file is higher than the version number for the configuration utility configuration is not allowed instead the user would be prompted to acquire a newer version of the configuration utility 34 file revision verification as described herein ensures that the most up to date delivery site selection algorithms are applied to the test data generated by the configuration utility 34 2 a list of available smart mirror delivery sites for each available delivery site the following information is provided b ip address a numerical internet address in the known format the address is presently a 32 bit number of the form w x y z where w x y and z are each in the range of 0 to 255 c alternate name an informal name such as u201c the first mirror site u201d d a list of tests to be executed for each test the following information is provided i test id each type of test has a unique identifier known.