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The output is in comma separated value format and is exported to Excel (one file for IPv4, one for IPv6) where it is analyzed to look at the histograms of Average(ping_rtt)-Average(nping_rtt) etc. The script was run from a host (pinger.slac.stanford.edu) located st SLAC in Northern California in the San Francisco Bay Area. It was run multiple times to ensure the bahaviour behaviour was not dependent on time of day or day of week etc. For the IPv4 data measurements, the script ran for about 6hours and 45 minutes. The distribution histograms shown below show that the agreement between ping and nping average RTT is good:
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