How to Simulate Centralized Routing Projects Using OPNET

To simulate centralized routing using OPNET, we follow these procedures, stay in touch with us to get step by step approach for your work:

Steps to Simulate Centralized Routing Projects in OPNET

1. Create a New OPNET Project:
   • To make a new project in OPNET Modeler, indicate a project and situation name.
   • Select a network scale, which matches centralized routing like a campus or enterprise network in which routing decisions can handle by a unique central entity.
2. Build the Network Topology:
   • Insert nodes like routers, switches, and end-hosts in the network design workspace.
   • For the network, locate a centralized controller node within the topology that will perform like the main routing decision-maker. This node can be signified a central server or a Software-Defined Networking (SDN) controller.
3. Configure the Centralized Routing Protocol:
   • Set up the centralized controller node handling every routing decision. Utilize using custom routing tables or by employing OPNET’s routing set up options to execute it to replicate the centralized control.
   • If we are replicating an SDN-based centralized routing architecture then set up the SDN controller to communicate along with other network devices. For route calculations, configure the routers to depend on the controller node in which applicable.
4. Define Traffic Profiles:
   • In the network, append traffic flows among several source and destination nodes. Utilize realistic traffic models from OPNET’s Application Config such as HTTP, VoIP, FTP otherwise make custom application definitions, which denote diverse kinds of data traffic.
   • This traffic will permit to examine how the centralized routing impacts network performance.
5. Set Up Routing Tables:
   • The controller would sustain global knowledge of the network in a centralized routing set up. Make static or dynamic routing tables at the controller also we train the routers to refer to this centralized table for sending decisions.
   • Also, we can execute the custom routing logic on the controller to actively adapt routes according to the real-time network conditions, to replicate the centralized routing decisions.
6. Specify Link and Node Parameters:
   • Describe the every link’s properties like bandwidth and latency, exactly designing the network.
   • Set up node parameters, which permit for dynamic modification within network topology like link failures or congestion, for more complex simulations.
7. Configure Simulation Parameters:
   • Describe the simulation time for arbitrary events configure a seed then choose the parameters we require to capture.
   • For centralized routing performance metrics like delay, throughput, packet loss, and controller interaction overhead, to facilitate the data collection.
8. Run the Simulation:
   • Select “Run” to begin the simulation. Observe the configuration for any mistakes that particularly in routing table sets up, making sure that the controller is operating properly.
   • The centralized controller will manage the route computation and impel routing updates for each router node as required during the simulation.
9. Analyze the Results:
   • Consider the performance of centralized routing using OPNET’s analysis tools. Analyse the crucial parameters that contain:
     • Routing Convergence Time: How rapidly the network becomes stable after a route modification.
     • Packet Delivery Ratio: The ratio of packets effectively distributed to its destinations.
     • Throughput and Delay: Estimate the end-to-end delay and overall network throughput computing routing efficiency.
     • Controller Load: Measure the processing load at the centralized controller that probably affects scalability.

Through an effective simulation method using OPNET, we have simulated and examined the Centralized Routing Projects. We will offer more detailed guidance related to this topic in the upcoming manual.