4.2 Usage

The usage of the realtime simulator is straightforward, from a scripting perspective. Users just need to set the attribute SimulatorImplementationType to the Realtime simulator, such as follows:

  GlobalValue::Bind ("SimulatorImplementationType",
    StringValue ("ns3::RealtimeSimulatorImpl"));

There is a script in examples/realtime-udp-echo.cc that has an example of how to configure the realtime behavior. Try:

./waf --run realtime-udp-echo

Whether the simulator will work in a best effort or hard limit policy fashion is governed by the attributes explained in the previous section.

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