int SIMIX_STORAGE_LEVEL; //Simix storage level
int MSG_STORAGE_LEVEL; //Msg storage level
int MSG_FILE_LEVEL; //Msg file level
-int SD_HOST_LEVEL; //Simdag host level
int SD_STORAGE_LEVEL; //Simdag storage level
int COORD_HOST_LEVEL=0; //Coordinates level
int NS3_HOST_LEVEL; //host node for ns3