I am trying to simulate a distributed fault-tolerant system consisting of multiple nodes. Each node runs a set of tasks or processes. Tasks communicate with each other by passing messages over the nodes' gates. I want to simulate a fault-tolerant mechanism where a node can fail and the system reconfigures itself by migrating tasks on the faulty node to other healthy nodes. I already developed an algorithm for migrating tasks but I want to test it with OMNeT++.
In the NED file, I have defined the network with the different nodes as submodules and tasks as submodules of the nodes (sub-submodules). But I can't connect the tasks with each other.
How can I simulate this behavior? Is there a better simulation tool than OMNeT++ for this use case?
In my opinion, you can try to use ns3 it supports the scenario as well as code is close to omnet ++
Ali H. Wheeb Thanks for the suggestion! Could you point me to specific features in ns3, which are not offered by omnet++ for this particular scenario? I would appreciate it if you could recommend any resources to implement this scenario in ns3. Thank you!
Simulating a fault-tolerant distributed network using OMNeT++ involves the following steps:
Note that the specific steps involved in simulating a fault-tolerant distributed network using OMNeT++ can vary depending on the complexity of the network and the specific fault-tolerance mechanisms being simulated. Additionally, it may be necessary to iteratively refine the model and simulation implementation based on the simulation results to achieve the desired accuracy and performance.
Dear Belal Elmorsy
The ns3 has resources, codes, and tutorials more than omnet++, so it's a powerful tool for researchers.
Regarding the proposed scenario you can code a program with c++ language and build the network with a respect to the network devices, MAC layer, network protocols, and Applications. for example, you can search on GitHub
https://github.com/topics/ns3?l=python&o=desc&s=updated
In case you face some issues or problems, you can submit questions in the ns-3 group in google. check this
https://groups.google.com/g/ns-3-users
Generally, performing simulation for a proposed network requires a good knowledge of the network and skills in programming.
Finally, I hope this answer is helpful.
Best regards
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