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How to Implement Interact Different Networks in OMNeT++

To implement the interaction between different networks in OMNeT++has normally encompasses making a simulation where numerous networks are stated, and communication among these networks is founded via gateways or routers. Given below is step-by-step approaches with instances on how to attain this:

Step-by-Step Implementations:

Step 1: Set Up the OMNeT++ Environment

Make certain that OMNeT++ and its related libraries, like INET, are installed and configured appropriately.

Step 2: Define the Network Models

State the different networks we need to emulate. Each network can have its own nodes, protocols, and configurations.

Example Network Definitions

// Define Network 1

network Network1

{

submodules:

host1: StandardHost;

host2: StandardHost;

router1: Router;

connections:

host1.ethg++ <–> EthernetCable <–> router1.ethg++;

host2.ethg++ <–> EthernetCable <–> router1.ethg++;

}

// Define Network 2

network Network2

{

submodules:

host3: StandardHost;

host4: StandardHost;

router2: Router;

connections:

host3.ethg++ <–> EthernetCable <–> router2.ethg++;

host4.ethg++ <–> EthernetCable <–> router2.ethg++;

}

Step 3: Create a Gateway or Router for Inter-Network Communication

A router or gateway is essential to permit communication among numerous networks.

Example Gateway Definition

// Define the Inter-Network Gateway

network Gateway

{

submodules:

router1: Router;

router2: Router;

connections:

router1.ethg++ <–> EthernetCable <–> router2.ethg++;

}

Step 4: Integrate Networks through the Gateway

Now, incorporate the described networks and the gateway to permit interaction among them.

Example Integrated Network Definition

// Define the Complete Network with Interaction

network CompleteNetwork

{

submodules:

net1: Network1;

net2: Network2;

gateway: Gateway;

connections allowunconnected:

net1.router1.ethg++ <–> EthernetCable <–> gateway.router1.ethg++;

net2.router2.ethg++ <–> EthernetCable <–> gateway.router2.ethg++;

}

Step 5: Configure the Simulation Parameters

Configure the simulation parameters like IP addressing, routing tables, and other needed parameters in the .ini file.

Example Configuration

[General]

network = CompleteNetwork

sim-time-limit = 100s

*.net1.host1.ipv4.address = “192.168.1.1”

*.net1.host2.ipv4.address = “192.168.1.2”

*.net1.router1.ipv4.address = “192.168.1.254”

*.net2.host3.ipv4.address = “192.168.2.1”

*.net2.host4.ipv4.address = “192.168.2.2”

*.net2.router2.ipv4.address = “192.168.2.254”

*.gateway.router1.ipv4.address = “10.0.0.1”

*.gateway.router2.ipv4.address = “10.0.0.2”

*.net1.router1.ipv4.routingTable[0].destAddress = “192.168.2.0”;

*.net1.router1.ipv4.routingTable[0].netmask = “255.255.255.0”;

*.net1.router1.ipv4.routingTable[0].gateway = “10.0.0.2”;

*.net1.router1.ipv4.routingTable[0].interfaceName = “ethg++”;

*.net2.router2.ipv4.routingTable[0].destAddress = “192.168.1.0”;

*.net2.router2.ipv4.routingTable[0].netmask = “255.255.255.0”;

*.net2.router2.ipv4.routingTable[0].gateway = “10.0.0.1”;

*.net2.router2.ipv4.routingTable[0].interfaceName = “ethg++”;

Step 6: Implement and Run the Simulation

When everything is configured, compile and run the simulation. Monitor how the nodes in different networks interact through the gateway.

Step 7: Analyse the Results

After running the simulation, we can use OMNeT++’s analysis tools to check the results and authenticate that the interaction among the networks is happening as expected.

This page had given appropriate informations, useful instances, and the step-by-step approaches that helps to execute the Interact Different Networks in OMNeT. If required, necessary details regarding this concepts will be offered. You can Receive expert implementation support for Interact Different Networks using the OMNeT++ tool from our skilled developers. We offer tailored services and share innovative research ideas to assist scholars in their endeavors.

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