How To Implement Green Networking in NS3

To implement the green networking in ns-3 it must possess simulation of energy efficient networking protocols and methods to diminish energy consumption while maintaining the network performance. This can contain the energy efficient MAC protocols, adaptive transmission power. Sleep modes for network devices and enhancing the routing techniques for energy efficiency.

Step-by-Step Guide to Implement Green Networking in ns-3

1. Set Up Your Development Environment

1. Install ns-3:
   • Follow the official ns-3 installation guide.
2. Install Required Modules:
   • Ensure you have all necessary ns-3 modules installed, such as Internet, WiFi, and Mobility modules.

2. Create a Basic Green Networking Simulation Script

Below is the sample script to setup a general green networking environment in ns-p3 environment. This script shows how to act out energy efficient protocols and mechanisms.

#include “ns3/core-module.h”

#include “ns3/network-module.h”

#include “ns3/internet-module.h”

#include “ns3/wifi-module.h”

#include “ns3/mobility-module.h”

#include “ns3/applications-module.h”

#include “ns3/energy-module.h”

#include “ns3/basic-energy-source.h”

#include “ns3/li-ion-energy-source.h”

#include “ns3/flow-monitor-module.h”

using namespace ns3;

NS_LOG_COMPONENT_DEFINE (“GreenNetworkingExample”);

int main (int argc, char *argv[])

{

  // Set simulation parameters

  double simTime = 60.0; // Simulation time in seconds

  uint32_t numNodes = 10;

  double distance = 50.0; // Distance between nodes

  CommandLine cmd;

  cmd.AddValue(“simTime”, “Simulation time”, simTime);

  cmd.AddValue(“numNodes”, “Number of nodes”, numNodes);

  cmd.Parse(argc, argv);

  // Create nodes

  NodeContainer nodes;

  nodes.Create(numNodes);

  // Set up Wi-Fi with energy-efficient MAC layer

  WifiHelper wifi;

  wifi.SetStandard(WIFI_PHY_STANDARD_80211n);

  YansWifiChannelHelper wifiChannel = YansWifiChannelHelper::Default();

  YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default();

  wifiPhy.SetChannel(wifiChannel.Create());

  WifiMacHelper wifiMac;

  wifiMac.SetType(“ns3::AdhocWifiMac”);

  NetDeviceContainer devices;

  devices = wifi.Install(wifiPhy, wifiMac, nodes);

  // Install the Internet stack on all nodes

  InternetStackHelper stack;

  stack.Install(nodes);

  // Assign IP addresses to devices

  Ipv4AddressHelper address;

  address.SetBase(“10.1.1.0”, “255.255.255.0”);

  Ipv4InterfaceContainer interfaces = address.Assign(devices);

  // Set up mobility

  MobilityHelper mobility;

  mobility.SetPositionAllocator(“ns3::GridPositionAllocator”,

                                “MinX”, DoubleValue(0.0),

                                “MinY”, DoubleValue(0.0),

                                “DeltaX”, DoubleValue(distance),

                                “DeltaY”, DoubleValue(distance),

                                “GridWidth”, UintegerValue(5),

                                “LayoutType”, StringValue(“RowFirst”));

  mobility.SetMobilityModel(“ns3::ConstantPositionMobilityModel”);

  mobility.Install(nodes);

  // Set up energy model

  BasicEnergySourceHelper energySourceHelper;

  energySourceHelper.Set(“BasicEnergySourceInitialEnergyJ”, DoubleValue(10000.0)); // Initial energy in Joules

  EnergySourceContainer sources = energySourceHelper.Install(nodes);

  // Install Wi-Fi radio energy model

  WifiRadioEnergyModelHelper wifiEnergyModel;

  wifiEnergyModel.Set(“TxCurrentA”, DoubleValue(0.017)); // Transmission current in Amps

  wifiEnergyModel.Set(“RxCurrentA”, DoubleValue(0.019)); // Reception current in Amps

  DeviceEnergyModelContainer deviceModels = wifiEnergyModel.Install(devices, sources);

  // Create applications

  uint16_t port = 9;

  // Install a UDP echo server on the first node

  UdpEchoServerHelper echoServer(port);

  ApplicationContainer serverApp = echoServer.Install(nodes.Get(0));

  serverApp.Start(Seconds(1.0));

  serverApp.Stop(Seconds(simTime));

  // Install a UDP echo client on the last node

  UdpEchoClientHelper echoClient(interfaces.GetAddress(0), port);

  echoClient.SetAttribute(“MaxPackets”, UintegerValue(1000));

  echoClient.SetAttribute(“Interval”, TimeValue(Seconds(0.1))); // 10 packets per second

  echoClient.SetAttribute(“PacketSize”, UintegerValue(1024));

  ApplicationContainer clientApp = echoClient.Install(nodes.Get(numNodes – 1));

  clientApp.Start(Seconds(2.0));

  clientApp.Stop(Seconds(simTime));

  // Enable Flow Monitor

  FlowMonitorHelper flowmon;

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

  // Enable tracing

  wifiPhy.EnablePcap(“green-networking-example”, devices.Get(0));

  // Run the simulation

  Simulator::Stop(Seconds(simTime));

  Simulator::Run();

  // Print energy consumption statistics

  for (uint32_t i = 0; i < sources.GetN(); ++i)

  {

    Ptr<EnergySource> source = sources.Get(i);

    double remainingEnergy = source->GetRemainingEnergy();

    NS_LOG_UNCOND(“Node ” << i << ” remaining energy: ” << remainingEnergy << ” J”);

  }

  // Print flow monitor statistics

  monitor->SerializeToXmlFile(“green-networking-flowmon.xml”, true, true);

  Simulator::Destroy();

  return 0;

}

Explanation of the Script

Below are the description for the green networking process script that are;

1. Include Necessary Headers:
   • Include headers for ns-3 core, network, internet, wifi, mobility, applications, energy, and flow monitor modules.
2. Set Simulation Parameters:
   • Define the simulation time, number of nodes, and distance between nodes.
3. Create Nodes:
   • Create nodes using NodeContainer.
4. Set Up Wi-Fi with Energy-Efficient MAC Layer:
   • Configure the Wi-Fi network using WifiHelper, YansWifiChannelHelper, YansWifiPhyHelper, and WifiMacHelper.
5. Install Internet Stack:
   • Install the Internet stack on all nodes using InternetStackHelper.
6. Assign IP Addresses:
   • Assign IP addresses to the devices using Ipv4AddressHelper.
7. Set Up Mobility:
   • Define the mobility models for the nodes using MobilityHelper.
8. Set Up Energy Model:
   • Use BasicEnergySourceHelper to create energy sources for the nodes.
   • Install a Wi-Fi radio energy model on the devices using WifiRadioEnergyModelHelper.
9. Create Applications:
   • Install a UDP echo server on the first node and a UDP echo client on the last node to simulate communication.
10. Enable Flow Monitor:
    • Install and configure the Flow Monitor to collect and analyze network performance statistics.
11. Enable Tracing:
    • Enable pcap tracing to capture packet traces for analysis.
12. Run the Simulation:
    • Set the simulation stop time, run the simulation, print energy consumption and flow monitor statistics, and clean up using Simulator::Stop, Simulator::Run, and Simulator::Destroy.

Further Enhancements

At this direction we provide the future improvements for the green networking environment;

1. Advanced Energy-Efficient Protocols:
   • Implement and simulate advanced energy-efficient protocols such as duty cycling, sleep modes, and adaptive transmission power control.
2. Dynamic Traffic Patterns:
   • Implement dynamic traffic patterns to simulate real-world scenarios more accurately.
3. Quality of Service (QoS):
   • Implement QoS mechanisms to prioritize critical data and ensure timely delivery while optimizing energy consumption.
4. Network Performance Metrics:
   • Collect and analyze additional performance metrics such as throughput, latency, packet delivery ratio, and energy consumption.
5. Security and Privacy:
   • Implement and evaluate security and privacy mechanisms in the energy-efficient network.

We have finally covered the topic of green networking in the ns-3 environment, and we also provide comprehensive support for all types of networking programming.