Question

Ping vs Tracert: how to caculate latency

We use ping and tracert to find out latency between our computer
and the host destination.
Should I calculate the total latency from the source to the
destination as sum of the one of the tracert-result columns (or take the average
of sum of each column)? If yes, than

Why is the latency that ping shows is much less than the
latency that tracert command shows?

Example: (that is the result I have)

ping google.com

Pinging
google.com [74.125.93.104] with 32 bytes of data:

Reply from 74.125.93.104:
bytes=32 time=17ms TTL=252

Reply from 74.125.93.104:
bytes=32 time=17ms TTL=252

Reply from 74.125.93.104:
bytes=32 time=17ms TTL=252

Ping
statistics for 74.125.93.104:


Packets:
Sent=4, Received=4, Lost=0 (0% loss),
Approximate
round trip times in milli-seconds:


Minimum=16ms, Maximum=18ms,
Average=17ms


Tracert google.com

1 <1ms <1ms
<1ms
2 14ms 6ms 6ms

3 6ms 7ms 6ms
4 9ms 11ms 10ms

5 13ms 11ms 11ms

6 11ms 12ms 13ms
7 11ms 11ms 12ms

8 15ms 8ms 9ms

9 22ms 39ms 19ms

10 59ms 19ms 19ms

11 25ms 24ms 32ms

12 17ms 16ms 19ms


So, by this results and the way I am calculating: the ping average
latency=17ms, the tracert average latency=AVG (SUM(1st column), SUM(2nd
column), SUM (3d column))=175ms


So, I either count latency wrong or there is something else?

Please, help me to resolve this mystery?.
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Comments
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Answer
Did you notice?

That tracert is resolving names? If you want better numbers why not turn that off?
Bob

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reply

it does resolve name, I just didn't put it there.

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I wonder if the hint was not enough.

Why resolve the name if you are measuring latency?

If you want to test name resolving, test that?
Bob

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