Status: IN
Facade establishes an asymmetric simplification relationship: the subsystem remains completely unaware of its Facade (no back-references maintain subsystem independence), and typically only one Facade exists per subsystem (often implemented as a Singleton), creating a strictly one-directional dependency that simplifies client access without introducing any coupling burden on the subsystem itself.
One-way dependency with singleton uniqueness establishes asymmetric simplification
Depends on (SL): facade-often-singleton, facade-subsystem-unaware-of-facade