To simulate a Token Ring topology using OPNET which has contains to configure a network in which nodes are organized within a ring structure, distributing a “token”, which allows permission to send information. Token Ring topology is typified by controlled access and this topology is generally utilized in Local Area Networks (LANs).
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Following is a simple guide to replicating a Token Ring topology project in OPNET:
Steps to Simulate Token Ring Topology Projects in OPNET
Step 1: Set Up the OPNET Environment
- Open OPNET Modeler: Make a new project in OPNET Modeler.
- Create a New Network: Choose New Network, then name it to the project, and select a Wired LAN situation type that encompasses modules appropriate for a Token Ring network.
Step 2: Configure the Token Ring Topology
- Select Nodes for the Ring:
- Choose workstations, servers, and Token Ring switches (if available) making Token Ring topology in the object palette.
- Arrange Nodes in a Ring Structure:
- In a circular layout, we can locate the nodes to visually signify the ring structure of the network. The logical path would make a closed loop in which each node associates to their instant neighbors.
- Establish Token Ring Links:
- Link each node to their neighbouring node within a unidirectional fashion, to make a loop to utilize Token Ring links (or other links if specific Token Ring links are not available). Make sure that the last node within the ring associates again to the initial node to accomplish the loop.
Step 3: Configure Link and Node Parameters
- Set Link Parameters:
- Configure link properties such as data rate (generally 4 Mbps or 16 Mbps for Token Ring networks), latency, and error rate replicating the realistic conditions.
- Every link takes the token that circulates over the ring to permit each node sending data only when it holds the token in Token Ring.
- Configure Node Attributes:
- If obtainable, allow Token Ring protocol support at each node, making sure that each device acknowledges and uses the token-passing method.
- Indicate the MAC protocol settings making sure that nodes follow the Token Ring rules for obtaining and distributing the token.
Step 4: Define Applications and Traffic Profiles
- Configure Network Applications:
- Configure applications replicating the normal LAN traffic across a Token Ring like file transfers, web browsing, video streaming, or email in the Application Config editor.
- Assign Traffic Profiles to Nodes:
- Go to the Profile Config editor and allocate these applications to nodes within the ring to replicate interaction among nodes. Configure traffic that needs nodes to rotate in sending data that deliberates the real Token Ring operation.
Step 5: Configure and Run the Simulation
- Set Simulation Parameters:
- Configure the simulation time, and set up any other essential parameters in the Simulation tab.
- Select Performance Metrics:
- Select performance metrics related to Token Ring performance like throughput, token holding time, token passing delay, network utilization, and end-to-end delay. These parameters will support to examine how successfully the token-passing mechanism supports interaction in the ring.
- Run the Simulation:
- Execute the simulation then monitor before sending data how each node stays for the token. The token pass around the ring, to allow each node an opportunity sequentially transmitting data.
Step 6: Analyze Results
- Review Collected Data:
- Consider parameters such as latency, token passing time, throughput, and token holding time utilizing OPNET’s analysis tools. Token Ring performance is typified by controlled latency and expected data transfer thus these parameters are crucial for estimating the efficiency.
- Identify and Optimize Bottlenecks:
- Performance can be affected by the time it takes for the token to pass around in Token Ring networks. If delays are increase then attempt to enhance the data rate or to minimize traffic load.
The given above are the steps that assists you to successfully and efficiently simulate the Token Ring Topology projects using OPNET environment. We plan to elaborate further like how these topology projects works in other simulation tools. If you’re diving into Simulate Token Ring Topology Projects with the OPNET tool, you may face some hurdles that our specialists are well-equipped to handle. We provide support for Token Ring topology and are here to assist you with your research requirements. Just reach out to us, and we’ll deliver quick simulation results for you.
