For those of you out there who still intersted 
with some nice article and utility to test latency online, please visit 
here:
 
It's a freeware (registartion by E-mail, no payment)
 
 
 
 
 
 
 
>I run two 
instances of wiresharks at two end nodes to measure a packet 
> latency 
across the network. So, I have two log files, one with time stamps 
> at 
the transmitting end, and the other one with time stamps at the receiving 
> end. The latency for each packet is simply a time difference between 
two 
> ends.
> 
> 1) Is there any tool to calculate this 
latency for me?
> 
> 2) In case of packet loss (therefore the number 
of entries in both log files 
> are not equal), is there any tool that can 
automatically match the log file 
> entries - two entries that are 
associated with the same packet (e.g., maybe 
> matching by the packet 
content) and then calculate the latency.
> 
> Please let me 
know.
> thank you.
> 
> 
> 
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