To Simulate a Shortest Path Routing project in OPNET Modeler permits we investigation on how well routing algorithms choose the minimum paths in a network according on parameter metrics such as hop count, bandwidth, or link cost. Here’s a step-by-step procedure to configure a Shortest Path Routing simulation in OPNET:
Steps to Simulate Shortest Path Routing Projects using OPNET
- Set Up the OPNET Project
- Open OPNET Modeler we build a new project.
- Describe the workspace and set the simulation duration according on we examine the objectives like as analysing convergence time, delay, or throughput.
- Design the Network Topology
- Build a network topology through routers, switches, clients, and servers.
- Involves a several paths among nodes to enable which the shortest path algorithm has modify routes their choose from.
- Dwelling clients and servers in various subnets if we need to replicate complex routing.
- Enable Shortest Path Routing Protocol
- Designed for shortest path routing, ensure a protocol that relies on shortest path selection:
- OSPF such as Open Shortest Path First for link-state routing according on link cost.
- RIP such as Routing Information Protocol for distance vector routing according on hop count.
- In every router’s properties, ensure the select protocol and setting the specific parameters:
- OSPF: Setting the OSPF-specific configure such as area ID and link costs.
- RIP: Configure the maximum hop count such as 15 hops we enable their shortest path selection according on hop count.
- Set Link Costs for Path Selection
- Describe the connection costs for every connection among routers it utilized OSPF as the minimum path is measured according on these costs.
- Adjust connection costs to replicate among network environments or priorities creating some paths further preferred than others.
- It utilized the RIP connection cost is implicitly the hop count, so every direct connection among routers will be considered one hop.
- Configure Application Traffic (Optional)
- Enhance the application traffic for instance HTTP, FTP, VoIP among client and server nodes to build a data flow across the network.
- In Application Config and Profile Config:
- Describe the features of application traffic, such as file size for FTP or page request intervals for HTTP.
- connection the profiles to the client and server nodes to build realistic network traffic, that will use the shortest path routes.
- Set Up Network Parameters
- Setting the network connection parameters metrices such as bandwidth, latency, and packet loss to replicate real-world network environments.
- Adjusting this parameters metrices we support would be monitor on how well the shortest path algorithm adapts to network performance changes.
- Add Background Traffic (Optional)
- To replicate a further consistency network, improve background traffic through other applications for sample video streaming or email.
- This permits you to illustrate on how fine shortest path protocol maintains traffic load and it reroutes around traffic paths.
- Configure Simulation Parameters
- Ensure the comprehensive parameter metrics gathered for routing-specific data, like as routing table updates, convergence time, hop count, and path selection.
- If utilized an OSPF, ensure logging for link-state advertisements (LSAs) we analyse the shortest path measurements.
- Run the Simulation
- Initially the replication and follow the routing protocol in action as it regulates the shortest paths among nodes.
- Observe on how well routers share information, update routing tables, and reroute traffic according on shortest path measurements.
- Analyse Results
- Utilized an OPNET’s analysis tools we estimate a main parameter metrics for Shortest Path Routing:
- Convergence Time: Calculate the duration taken for the network to reach a stable routing describe later topology changes.
- Path Selection: Validate which data is taking the shortest path, build on either connection cost (OSPF) or hop count (RIP).
- Routing Table Stability: Follow routing table changes over time for specifically after failures or connections cost adjustments.
- Latency and Hop Count: Analyse the delay and hop count along the choose shortest path routes.
- Network Throughput: Checked the throughput on the paths choose we enable that the network can maintain the data load efficiently.
We had clearly expounded the step-by-step procedures to simulate the Shortest path routing in successive order that were simulated by using the OPNET tool. More information will be shared regarding this process in the upcoming manual.
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