Hi Bob, First, thank you for your reply. Please, as I m a beginner, can you help me with a solution with iperf3 and Synchronisation with NTP, a tutorial or a video... Thank you in advance.
karima. Le mer. 16 janv. 2019 19:24, Bob McMahon <bob.mcma...@broadcom.com> a écrit : > Hi Karima, > > For iperf 2 <https://sourceforge.net/projects/iperf2/>use the -e option. > This assumes the clocks on the client and server are synchronized to a > level of the precision one cares about. We use a GPS disciplined oven > controlled oscillator in our labs for a high quality reference then use > precision time protocol to distributes that clock. > > o) Support end/end latency in mean/min/max/stdev format (UDP) (-e > required) (assumes client and server clocks synched, e.g by Precision Time > Protocol to an OCXO oscillator per Spectracom) > > There is also support for full histograms vs mean/min/max/standard > deviation. > > o) Latency histograms for both packets and frames (e.g. > --udp-histogram=10u,200000, 0.03, 99.97) > > More on enhanced features here > <https://sourceforge.net/projects/iperf2/files/Iperf%202.0.13a%20Enhancements.pdf/download> > . > > Also, suggested use the latest 2.013a from sourceforge. We're very close > to releasing 2.0.13 > > Bob > > On Wed, Jan 16, 2019 at 3:11 AM karima smida <karima.sm...@gmail.com> > wrote: > >> Hi all, >> please how to calculate End to End delay from informations returned by >> iperf? >> In fact, I want to use iperf to inject UDP traffic in may SDN network to >> test its performance in terms of delay and overhead. >> Thank you for help. >> >> -- >> >> _______________________________________________ >> Iperf-users mailing list >> Iperf-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/iperf-users >> >
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