-int SIMIX_HOST_LEVEL; //Simix host level
-int SIMIX_STORAGE_LEVEL; //Simix storage level
-int MSG_HOST_LEVEL; //Msg host 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