
测试结果前后对比如下:
From Amsterdam to OpenDNS before London goes online:
bash$ ping 208.67.222.222
64 bytes from 208.67.222.222: icmp_seq=0 ttl=57 time=145.077 ms
64 bytes from 208.67.222.222: icmp_seq=1 ttl=57 time=152.962 ms
From Amsterdam to OpenDNS after London goes online:
bash$ ping 208.67.222.222
64 bytes from 208.67.222.222: icmp_seq=0 ttl=58 time=9.814 ms
64 bytes from 208.67.222.222: icmp_seq=1 ttl=58 time=9.528 ms
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