To simulate the IEEE 802.3 Ethernet projects using ns3 which encompasses configuring the wired LAN environments, connecting devices via Ethernet links, and investigating network performance under various situation like differing data rates, packet loss, and network topologies. The ns3 Ethernet module assists various Ethernet standards (like 10 Mbps, 100 Mbps, 1 Gbps, etc.) and enables for the simulation of both simple and complex Ethernet networks. Now, we will guide you how to simulate Ethernet projects using ns3.
Steps to Simulate Ethernet Projects Using ns3
- Install ns3:
- Make certain that we have ns3 installed. We can download the source code from the ns3 official website and we follow the installation instructions.
- Create Ethernet Nodes:
- Make a nodes, which will signify various Ethernet devices. These nodes can be workstations, routers, or servers in a LAN environment.
NodeContainer ethernetNodes;
ethernetNodes.Create(4); // Create 4 Ethernet nodes (devices)
- Set Up Point-to-Point Ethernet Links:
- In Ethernet simulations, PointToPointHelper is utilised to replicate the wired Ethernet links among the nodes. We can be identified the data rate and latency of the links.
PointToPointHelper p2p;
p2p.SetDeviceAttribute(“DataRate”, StringValue(“1Gbps”)); // 1 Gbps Ethernet link
p2p.SetChannelAttribute(“Delay”, StringValue(“2ms”)); // 2ms propagation delay
NetDeviceContainer devices;
devices = p2p.Install(ethernetNodes.Get(0), ethernetNodes.Get(1)); // Link between two Ethernet nodes
We can repeat it for additional node pairs to make a more complex topology.
- Install Internet Protocol Stack:
- Now, we install the InternetStackHelper on the nodes to permit IP-based communication over Ethernet.
InternetStackHelper internet;
internet.Install(ethernetNodes);
- Assign IP Addresses:
- We can use Ipv4AddressHelper to allocate an IP addresses to the Ethernet interfaces. Each device on the Ethernet network requires a single IP address.
Ipv4AddressHelper ipv4;
ipv4.SetBase(“10.1.1.0”, “255.255.255.0”);
Ipv4InterfaceContainer interfaces = ipv4.Assign(devices);
- Simulate Traffic:
- Replicate network traffic among the Ethernet nodes are using applications such as UdpEchoClient/Server, OnOffApplication, or BulkSendApplication. In this sample, we will use the UDP Echo Application to replicate basic communication among two nodes.
Example of using UDP Echo for traffic:
UdpEchoServerHelper echoServer(9); // Server running on port 9
ApplicationContainer serverApps = echoServer.Install(ethernetNodes.Get(1)); // Server on node 1
serverApps.Start(Seconds(1.0));
serverApps.Stop(Seconds(10.0));
UdpEchoClientHelper echoClient(interfaces.GetAddress(1), 9); // Client sending to server
echoClient.SetAttribute(“MaxPackets”, UintegerValue(100));
echoClient.SetAttribute(“Interval”, TimeValue(Seconds(1.0)));
echoClient.SetAttribute(“PacketSize”, UintegerValue(1024));
ApplicationContainer clientApps = echoClient.Install(ethernetNodes.Get(0)); // Client on node 0
clientApps.Start(Seconds(2.0));
clientApps.Stop(Seconds(10.0));
- Simulate Ethernet LAN Topologies:
- Ethernet networks are frequently contain several devices connected via switches or routers. We can be used CsmaHelper to replicate a classic LAN in which several devices are connected through a bus-like topology.
Example of setting up a CSMA-based LAN:
CsmaHelper csma;
csma.SetChannelAttribute(“DataRate”, StringValue(“1Gbps”)); // 1 Gbps Ethernet
csma.SetChannelAttribute(“Delay”, TimeValue(NanoSeconds(6560))); // Propagation delay
NetDeviceContainer csmaDevices = csma.Install(ethernetNodes); // Install CSMA devices for LAN
- Monitor Network Performance:
- We can be used FlowMonitor to collect statistics such as throughput, delay, jitter, and packet loss. It is particularly helpful when examining the performance of Ethernet networks under various traffic conditions.
Example of setting up FlowMonitor:
FlowMonitorHelper flowmon;
Ptr<FlowMonitor> monitor = flowmon.InstallAll();
Simulator::Run();
monitor->SerializeToXmlFile(“ethernet-flow-results.xml”, true, true);
- Run and Analyze the Simulation:
- At the end, we run the simulation and examine the performance of the Ethernet network according to the gathered data.
Simulator::Stop(Seconds(10.0));
Simulator::Run();
Simulator::Destroy();
Example of a Simple Ethernet Simulation
We provide below is a comprehensive example of a simple Ethernet network simulation with two nodes are communicating over a 1 Gbps Ethernet link:
#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/flow-monitor-module.h”
using namespace ns3;
int main(int argc, char *argv[])
{
// Create two Ethernet nodes
NodeContainer ethernetNodes;
ethernetNodes.Create(2); // 2 nodes for Ethernet
// Set up point-to-point Ethernet link
PointToPointHelper p2p;
p2p.SetDeviceAttribute(“DataRate”, StringValue(“1Gbps”)); // 1 Gbps Ethernet link
p2p.SetChannelAttribute(“Delay”, StringValue(“2ms”)); // 2ms propagation delay
NetDeviceContainer devices = p2p.Install(ethernetNodes); // Link between nodes
// Install Internet stack on nodes
InternetStackHelper internet;
internet.Install(ethernetNodes);
// Assign IP addresses to the devices
Ipv4AddressHelper ipv4;
ipv4.SetBase(“10.1.1.0”, “255.255.255.0”);
Ipv4InterfaceContainer interfaces = ipv4.Assign(devices);
// Set up UDP Echo Server on node 1
UdpEchoServerHelper echoServer(9); // Port 9
ApplicationContainer serverApps = echoServer.Install(ethernetNodes.Get(1)); // Server on node 1
serverApps.Start(Seconds(1.0));
serverApps.Stop(Seconds(10.0));
// Set up UDP Echo Client on node 0
UdpEchoClientHelper echoClient(interfaces.GetAddress(1), 9); // Client sending to server
echoClient.SetAttribute(“MaxPackets”, UintegerValue(100));
echoClient.SetAttribute(“Interval”, TimeValue(Seconds(1.0)));
echoClient.SetAttribute(“PacketSize”, UintegerValue(1024));
ApplicationContainer clientApps = echoClient.Install(ethernetNodes.Get(0)); // Client on node 0
clientApps.Start(Seconds(2.0));
clientApps.Stop(Seconds(10.0));
// Flow monitor to track performance
FlowMonitorHelper flowmon;
Ptr<FlowMonitor> monitor = flowmon.InstallAll();
// Run simulation
Simulator::Stop(Seconds(10.0));
Simulator::Run();
// Output results to XML file
monitor->SerializeToXmlFile(“ethernet-flow-results.xml”, true, true);
Simulator::Destroy();
return 0;
}
Advanced Ethernet Simulation Topics:
- Different Data Rates:
- Test with numerous Ethernet data rates such as 10 Mbps, 100 Mbps, 1 Gbps, 10 Gbps, and so on, and estimate how the network performance changes.
- Collision Detection (CSMA/CD):
- Execute the CSMA/CD (Carrier Sense Multiple Access with Collision Detection) to replicate previously Ethernet networks in which devices are delivered a usual bus and collisions could happen.
- Large-Scale Ethernet Networks:
- Replicate the large-scale Ethernet networks with several nodes, switches, and routers, using hierarchical topologies such as star, mesh, or tree.
- Quality of Service (QoS):
- Execute the Quality of Service (QoS) in Ethernet networks by allocating priorities to various traffic kinds and applying traffic shaping mechanisms such as token bucket or weighted fair queuing.
- Link Aggregation:
- Replicate an Ethernet link aggregation in which numerous physical links are integrated to increase the obtainable bandwidth among the nodes.
- Ethernet Switch and Router Simulation:
- Mimic Ethernet switches using BridgeHelper then setup the routing protocols such as RIP or OSPF to route traffic among various Ethernet subnets.
These project focus on executing and replicating IEEE 802.3 Ethernet projects in diverse network environments and analysing network performance under various situation using NS3. Additional specific details regarding the IEEE 802.3 will be provided according to your needs.
To Simulate IEEE 802.3 Ethernet Projects Using NS3 phdprime.com we are ready with all types of tools and resources to provide you with your needs. So share with us all your project details we will guide you with on time delivery and best quality support. Get assistance on simulation of both simple and complex Ethernet networks for your work from us.
