I aim to model traffic accidents with SUMO and simulate VANET communications with NetSim to enable dynamic vehicle rerouting around accident sites. I need to establish a real-time interface between SUMO and NetSim for exchanging traffic updates and rerouting commands. I seek guidance on implementing dynamic rerouting in SUMO based on messages from NetSim. Thank you.
NetSim supports inbuilt interfacing with SUMO as part of the VANETs module.
This following two links explain about modelling accidents in a SUMO road traffic network:
- https://support.tetcos.com/en/support/solutions/articles/14000107994-how-to-simulate-an-accident-in-netsim-vanet-
- https://sumo.dlr.de/docs/FAQ.html#how_to_simulate_an_accident
The TRaCI python API's can be used for dynamic vehicle rerouting and exchanging traffic updates between SUMO and NetSim.
NetSim SUMO two-way online coupling can be done for two-way interaction for exchanging data and control. See this example on two-way online coupling for intelligent traffic light control:
https://www.tetcos.com/pdf/v14/Dynamic_Traffic_Light_Control_in_NetSim_VANETs_v14.0.pdf
See this https://support.tetcos.com/support/solutions/articles/14000150560-enhanced-uav-vehicle-communication-for-accident-alert-and-rerouting. This is very similar to what you want, with the added feature that it involves UAVs also.
How can I configure specific VANET nodes to have on-board units (OBUs), ensuring that only these nodes receive communications and participate in re-routing, while nodes without OBUs do not?
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