netdev - Re: Low latency diagnostic tools

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Message-ID: <alpine.DEB.1.10.0908061017001.5507@gentwo.org>
Date:	Thu, 6 Aug 2009 10:19:53 -0400 (EDT)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Mark Smith <lk-netdev@...netdev.nosense.org>
cc:	netdev@...r.kernel.org
Subject: Re: Low latency diagnostic tools

On Thu, 6 Aug 2009, Mark Smith wrote:

> This implementation of One Way Active Measurement Protocol might be of
> interest:
>
> http://www.internet2.edu/performance/owamp/

It needs an accurate timesource. So it wont be of general use unless
everyone adopts ptp or so. Latencies today are way below 100 microseconds
which is not doable with the accuracy provided by ntp.

> Some of the performance tuning parts of the README below would also be
> useful in the Net area of the Linux Foundation wiki. Possibly the
> "Testing" section could be changed to "Testing and Measurement"
>
> http://www.linuxfoundation.org/en/Net:Main_Page

Ok. I will look at that.
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