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Monday, August 21, 2017

My humble results. Testing ping to loopback using v4 and v6

Hello there,
  Regarding RTT v4 vs v6 I did something "interesting" recently, would like to know your thoughs.
  If you ping6 your loopback (let´s say 1000 packets) interface with Windows or Linux, v6 is faster.
  Now try the same on MAC (El capitan for example).., v6 is 20-25% slower.
  I did the above with many devices (and asked some friends) and the behavior was pretty much the same.


MAC:
--- 127.0.0.1 ping statistics ---
100 packets transmitted, 100 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 0.037/0.098/1.062/0.112 ms

--- ::1 ping6 statistics ---
100 packets transmitted, 100 packets received, 0.0% packet loss
round-trip min/avg/max/std-dev = 0.058/0.120/0.194/0.027 ms




Linux:
--- 127.0.0.1 ping statistics ---
100 packets transmitted, 100 received, 0% packet loss, time 98999ms
rtt min/avg/max/mdev = 0.015/0.021/0.049/0.007 ms

--- ::1 ping statistics ---
100 packets transmitted, 100 received, 0% packet loss, time 99013ms
rtt min/avg/max/mdev = 0.019/0.031/0.040/0.004 ms



Windows 10:

Ping statistics for ::1:
    Packets: Sent = 100, Received = 100, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 0ms, Average = 0ms



Ping statistics for 127.0.0.1:
    Packets: Sent = 100, Received = 100, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 4ms, Average = 0ms



Bye,

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