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Installing ns-3.37 and ns-3.35 in Ubuntu | Ubuntu 22.04 | NS3

Multiple Versions of ns3 in Ubuntu 22.04 In this post, we are going to install two versions of ns3 namely ns-3.35 and ns-3.37  My OS is : Ubuntu 22.04 LTS (Long Term Support) ns-3.35 uses waf and (./waf --run scratch/first)  ns-3.37 uses cmake  (./ns3 run scratch/first.cc) So we will install both the packages  Go through the video for complete instructions To start with  $ sudo apt update  $ sudo apt install build-essential autoconf automake libxmu-dev g++ python3 python3-dev pkg-config sqlite3 cmake python3-setuptools git qtbase5-dev qtchooser qt5-qmake qtbase5-dev-tools gir1.2-goocanvas-2.0 python3-gi python3-gi-cairo python3-pygraphviz gir1.2-gtk-3.0 ipython3 openmpi-bin openmpi-common openmpi-doc libopenmpi-dev autoconf cvs bzr unrar gsl-bin libgsl-dev libgslcblas0 wireshark tcpdump sqlite sqlite3 libsqlite3-dev  libxml2 libxml2-dev libc6-dev libc6-dev-i386 libclang-dev llvm-dev automake python3-pip libxml2 libxml2-dev libboost-all-dev  I have downloaded both the versions of ns3 fr

Link State Routing in NS3 - Wired Network

Link state routing in ns3

There are two varieties of protocols that deals with wired networks namely distance vector routing and link state routing, 

As per the wikipedia, Distance-vector routing protocols, which work by having each node share its routing table with its neighbours, in a link-state protocol the only information passed between nodes is connectivity related. Link-state algorithms are sometimes characterized informally as each router, "telling the world about its neighbors.

This exercise can be one of the lab exercises of many universities in India. There are many more exercises to follow. If one understand this video, they can able to simulate any network design and run it successfully in ns3.

In this blog post, I am not going to explain the concepts of link state routing, but will explain how to configure the nodes to use link state routing in ns3. 

Please find the video for the source code explanation and compilation in ns3 on link state routing protocol



Here is the step to run the LSR and compile it to get the details.

Scenario is
LinkStateRouting
Link State Routing (LSR)



Here is the source code from GITHUB https://github.com/tspradeepkumar/ns3

else you can copy from here:

//Link state routing for Wired Networks, OLSR 
#include <iostream>
#include <fstream>
#include <string>
#include <cassert>

#include "ns3/core-module.h"
#include "ns3/network-module.h"
#include "ns3/internet-module.h"
#include "ns3/point-to-point-module.h"
#include "ns3/applications-module.h"
#include "ns3/olsr-helper.h"
#include "ns3/ipv4-static-routing-helper.h"
#include "ns3/ipv4-list-routing-helper.h"

#include "ns3/netanim-module.h"

using namespace ns3;

NS_LOG_COMPONENT_DEFINE ("SimplePointToPointOlsrExample");

int
main (int argc, char *argv[])
{
  Config::SetDefault ("ns3::OnOffApplication::PacketSize", UintegerValue (210));
  Config::SetDefault ("ns3::OnOffApplication::DataRate", StringValue ("448kb/s"));

  CommandLine cmd;
  cmd.Parse (argc, argv);

  NS_LOG_INFO ("Create nodes.");
  NodeContainer c;
  c.Create (5);
  NodeContainer n01 = NodeContainer (c.Get (0), c.Get (1));
  NodeContainer n14 = NodeContainer (c.Get (1), c.Get (4));
  NodeContainer n43 = NodeContainer (c.Get (4), c.Get (3));
  NodeContainer n30 = NodeContainer (c.Get (3), c.Get (0));
  NodeContainer n02 = NodeContainer (c.Get (0), c.Get (2));
  NodeContainer n23 = NodeContainer (c.Get (2), c.Get (3));
    
  // Enable OLSR
  NS_LOG_INFO ("Enabling OLSR Routing.");
  OlsrHelper olsr;

  Ipv4StaticRoutingHelper staticRouting;

  Ipv4ListRoutingHelper list;
  list.Add (staticRouting, 0);
  list.Add (olsr, 10);

  InternetStackHelper internet;
  internet.SetRoutingHelper (list); // has effect on the next Install ()
  internet.Install (c);

  // We create the channels first without any IP addressing information
  NS_LOG_INFO ("Create channels.");
  PointToPointHelper p2p;
  
  p2p.SetDeviceAttribute ("DataRate", StringValue ("10Mbps"));
  p2p.SetChannelAttribute ("Delay", StringValue ("2ms"));
  NetDeviceContainer nd01 = p2p.Install (n01);
  
  p2p.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
  p2p.SetChannelAttribute ("Delay", StringValue ("10ms"));
  NetDeviceContainer nd14 = p2p.Install (n14);
  
  p2p.SetDeviceAttribute ("DataRate", StringValue ("50Mbps"));
  p2p.SetChannelAttribute ("Delay", StringValue ("50ms"));
  NetDeviceContainer nd43 = p2p.Install (n43);
  
  p2p.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
  p2p.SetChannelAttribute ("Delay", StringValue ("5ms"));
  NetDeviceContainer nd30 = p2p.Install (n30);
  
  p2p.SetDeviceAttribute ("DataRate", StringValue ("1Mbps"));
  p2p.SetChannelAttribute ("Delay", StringValue ("1ms"));
  NetDeviceContainer nd02 = p2p.Install (n02);
  
  p2p.SetDeviceAttribute ("DataRate", StringValue ("2Mbps"));
  p2p.SetChannelAttribute ("Delay", StringValue ("2ms"));
  NetDeviceContainer nd23 = p2p.Install (n23);

  // Later, we add IP addresses.
  NS_LOG_INFO ("Assign IP Addresses.");
  Ipv4AddressHelper ipv4;
  ipv4.SetBase ("10.1.1.0", "255.255.255.0");
  Ipv4InterfaceContainer i01 = ipv4.Assign (nd01);

  ipv4.SetBase ("10.1.2.0", "255.255.255.0");
  Ipv4InterfaceContainer i14 = ipv4.Assign (nd14);

  ipv4.SetBase ("10.1.3.0", "255.255.255.0");
  Ipv4InterfaceContainer i43 = ipv4.Assign (nd43);

  ipv4.SetBase ("10.1.4.0", "255.255.255.0");
  Ipv4InterfaceContainer i30 = ipv4.Assign (nd30);

  ipv4.SetBase ("10.1.5.0", "255.255.255.0");
  Ipv4InterfaceContainer i02 = ipv4.Assign (nd02);
    
  ipv4.SetBase ("10.1.6.0", "255.255.255.0");
  Ipv4InterfaceContainer i23 = ipv4.Assign (nd23);
  
  // Create the OnOff application to send UDP datagrams of size
  // 210 bytes at a rate of 448 Kb/s
  
  NS_LOG_INFO ("Create Applications.");
  uint16_t port = 8000;   // Discard port (RFC 863)

  OnOffHelper onoff1 ("ns3::UdpSocketFactory",
                     InetSocketAddress (i02.GetAddress (1), port));
  onoff1.SetConstantRate (DataRate ("448kb/s"));

  ApplicationContainer onOffApp1 = onoff1.Install (c.Get (1));
  onOffApp1.Start (Seconds (10.0));
  onOffApp1.Stop (Seconds (20.0));

  // Create packet sinks to receive these packets
  PacketSinkHelper sink ("ns3::UdpSocketFactory",
                         InetSocketAddress (Ipv4Address::GetAny (), port));
  NodeContainer sinks = NodeContainer (c.Get (2), c.Get (1));
  ApplicationContainer sinkApps = sink.Install (sinks);
  sinkApps.Start (Seconds (0.0));
  sinkApps.Stop (Seconds (21.0));

  AsciiTraceHelper ascii;
  p2p.EnableAsciiAll (ascii.CreateFileStream ("lsr.tr"));
  p2p.EnablePcapAll ("lsr");

AnimationInterface anim("lsr.xml");
anim.SetConstantPosition(c.Get(0),0.0,50.0);
anim.SetConstantPosition(c.Get(1),50.0,100.0);
anim.SetConstantPosition(c.Get(2),50.0,50.0);
anim.SetConstantPosition(c.Get(3),50.0,0.0);
anim.SetConstantPosition(c.Get(4),100.0,50.0);

  Simulator::Stop (Seconds (30));
  NS_LOG_INFO ("Run Simulation.");
  Simulator::Run ();
  Simulator::Destroy ();
  NS_LOG_INFO ("Done.");

  return 0;
}

How to Run this file in ns3
This file LinkStateRouting.cc have to be stored in ns-3.29/scratch folder
open a terminal 

$ cd ns-allinone-3.29/ns-3.29/
$ ./waf --run scratch/LinkStaterouting

To run network animation

Open a new terminal 

$] cd ns-allinone-3.29/netanim-3.108/
$] ./NetAnim

The output is shown like this
LinkStateRouting
Link State Routing


Tracemetrics 
Open a new Terminal

$] cd tracemetrics-1.4.0/
$] java -jar tracemetrics.jar

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