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We selected 3 landmarks in Europe for our study ( CERN_Switzerland, ICTP_Italy, UK_Warrington). They were chosen because they were more reliable as compared to other landmarks. We pinged a set of known geographical targets in Europe. The coordinates of these sites were obtained from PingER database. We also calculated the physical distances
between the targets and the landmarks. It appeared that all the hosts were within 65 ms of the three landmarks and 96.15 % were within 50 ms.
Here is the data seen from CERN.
There is a very strong co-relation between the Min RTT and distances (R2 ~= 0.77) from CERN to European countries. The value of Alpha from Line equation is 33.44
Conclusion
References
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\[1\] A region may be different then a geographical region |