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- PingER targets: 50% of the 36 hosts measured have average(RTTs) within 0.26ms of oneanother).
Again the relative ping vs nping differences for IPv6 is shown below and shows an IQR of the relative average difference is 0.45%:
perfSONAR
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targets
The MA was at a CERNET host in Beijing. The spreadsheet of the results is here.
- Histogram of difference in Avg(ping-RTT)-Avg(nping-RTT) for IPv6.
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From the perfSONAR JSON configuration file we found 154 hosts that have IPv6 addresses (
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see spreadsheet). Of these (using
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the perl script bin/ping-vs-tcp-ps-sq.pl --conf ps-v6-sq.cf | tee ps-v6-sq.txt, it ran for about 45 minutes) we found 6 hosts that did not respond to ping6 and 50 for which we were was unable to get the information from nping. This yielded 98 IPv6 capable perfSONAR nodes that respond to ping6
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and nping. Of these 53 are in N. America (Canada and the U.S.), 30 in Europe (13 in the United Kingdom), 4 in Russia, and 1 each in Africa (Uganda) and Costa Rica. The spreadsheet is here.
perfSONAR hosts seen from Chinese MA
The MA was at a CERNET host in Beijing. The spreadsheet of the results is here.
- Histogram of difference in Avg(ping-RTT)-Avg(nping-RTT) for IPv6.