Direct Code Execution (DCE) is a module for ns-3 that provides facilities to execute, within ns-3, existing implementations of userspace and kernelspace network protocols or applications without source code changes. For example instead of using the pseudo application provided by ns-3 V4PingHelper you can use the true ping.
Works with ns-3.34
Build History : Direct Code Execution 1.11Release Notes
Works with ns-3.28
Build History : Direct Code Execution 1.10Release Notes
This ns-3 extension is one or more contributed modules.