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Re: [perfsonar-user] periodicity in packet loss measurements.


Chronological Thread 
  • From: Brian Tierney <>
  • To: Mark Feit <>
  • Cc: "Hagen, Skye ()" <>, "" <>
  • Subject: Re: [perfsonar-user] periodicity in packet loss measurements.
  • Date: Tue, 10 Jan 2017 15:17:18 -0800
  • Ironport-phdr: 9a23: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


On Tue, Jan 10, 2017 at 3:07 PM, Mark Feit <> wrote:

 

 

 

Can I run bwctl on a 10G NIC, and owamp on a 1G NIC? Are the results comparable? Or, is the recommendation to keep all testing interfaces at the same speed?

 

Sure, that’s not a problem.  There would be a difference in the amount of time it takes to transmit each packet that will have a very small impact on the result, but the limitations of the timekeeping on both ends will muddy the measurement enough that you’re not going to notice it.

 


In fact this is exactly what we do for all the ESnet perfsonar hosts.

 

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