how to calculate end to end delay ,throughput in ns3.26 ??

[rabahifa...@gmail.com]

please i have the file ascii.tr and pcap of my network and i want to calculate end to end delay and throughput ,is anyone here can help me please i don't know what i do if awk like ns2 or somthings else ??

[Mateus Sousa]

I suggest to you use the flowmonitor. Take a look on these discussions.
https://groups.google.com/forum/#!topic/ns-3-users/NuScxlCA8H0. 
https://groups.google.com/forum/?fromgroups=#!topic/ns-3-users/37-v0SPJRBk

Best wishes.

[fatima zahra rabahi]

Can you tel me more about flowmonitor i am beginner on ns3

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[Konstantinos]

Please refer to the documentation.

https://www.nsnam.org/docs/models/html/flow-monitor.html

[fatima zahra rabahi]

Thank you 😀 for your information

[fatima zahra rabahi]

Hello friends now i have the results in flow monitor but i don't know what i do for calculate throughput  knowing that (throughput is the rate of succrssful packet delivery over a communication channel) i need the equation or the methode to calculate it thank's

[Mahmud Islam]

Hi,

I calculated throughout using flow monitor in one of my code.I am adding that portion for your understanding. Thanks.

FlowMonitorHelper flowmon;
  Ptr<FlowMonitor> monitor = flowmon.InstallAll();

  Simulator::Stop (Seconds (100.0));
  Simulator::Run ();

 // Print per flow statistics
  monitor->CheckForLostPackets ();
  Ptr<Ipv4FlowClassifier> classifier = DynamicCast<Ipv4FlowClassifier> (flowmon.GetClassifier ());
  std::map<FlowId, FlowMonitor::FlowStats> stats = monitor->GetFlowStats ();

  for (std::map<FlowId, FlowMonitor::FlowStats>::const_iterator iter = stats.begin (); iter != stats.end (); ++iter)
    {
      Ipv4FlowClassifier::FiveTuple t = classifier->FindFlow (iter->first);

      if ((t.sourceAddress == Ipv4Address("10.1.1.1") && t.destinationAddress == Ipv4Address("10.1.1.2"))
        || (t.sourceAddress == Ipv4Address("10.1.1.3") && t.destinationAddress == Ipv4Address("10.1.1.2")))
        {
         /* NS_LOG_UNCOND("Flow ID: " << iter->first << " Src Addr " << t.sourceAddress << " Dst Addr " << t.destinationAddress);
          NS_LOG_UNCOND("Tx Packets = " << iter->second.txPackets);
          NS_LOG_UNCOND("Rx Packets = " << iter->second.rxPackets);
          NS_LOG_UNCOND("Throughput: " << iter->second.rxBytes * 8.0 / (iter->second.timeLastRxPacket.GetSeconds()-iter->second.timeFirstTxPacket.GetSeconds()) / 1024  << " Kbps");*/

          std::cout<<"Flow ID: " << iter->first << " Src Addr " << t.sourceAddress << " Dst Addr " << t.destinationAddress<<"\n";
          std::cout<<"Tx Packets = " << iter->second.txPackets<<"\n";
          std::cout<<"Rx Packets = " << iter->second.rxPackets<<"\n";
          std::cout<<"Throughput: " << iter->second.rxBytes * 8.0 / (iter->second.timeLastRxPacket.GetSeconds()-iter->second.timeFirstTxPacket.GetSeconds()) / 1024 /1024  << " Mbps\n";

        }
    }

Thanks

Mahmud

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[fatima zahra rabahi]

But here you have built ip addresses I do not know how you chose them? for me I have 40 nodes(vehicles) so what i do for the adresse ip .
Me in the vanet- routing -compare the script that is in the ns3.26 i want to vary the throughput depending on the speed(m/s) how i do please

[Karim kt]

Miss Fatima zahra
i have the same case of 50 nodes in a MANET Routing compare and i want to calculate those metrics
can you please help on how i can implement them

[Mahdi Tahavori]

hi friends
i  am designing an 3-step authentication protocol for smart grid. there is several nodes which are communicating with a gateway.I want to plot End-to-End delay for 3-step authentication by increasing the number of nodes.
i am using NS2 with Xgraph. i will be appreciated if some one can help me come over with it.

thanks alot

[imtiaz.ah...@gmail.com]

thank you very it works for me on vanet-routing-compare.cc example

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[imtiaz.ah...@gmail.com]

flowmonitor is not working in bsm safety message what should i do???