Revert "Revert "cambios subsistemas""

This reverts commit 86bce0b05e8098a17794ff897b683ee8cc1c4f09.
Revert "cambios subsistemas"

This reverts commit add867d3a3ad41871aa83c5b30d848091030f808.
Revert "Revert "cambios subsistemas""

This reverts commit c8ea8e37fe6e6055d8c5ce9086f4b643bdcd1b1b.
Revert "cambios subsistemas"

This reverts commit add867d3a3ad41871aa83c5b30d848091030f808.
cambios subsistema