Dualsystem
A dual system, or dualsystem, is a term used across disciplines to describe an arrangement in which two distinct but interconnected subsystems share responsibility for a common function. This separation of functions can improve efficiency, specialization, and resilience, but can also introduce coordination costs and complexity. In many contexts the two subsystems are designed to complement each other, with one handling inputs or generation and the other managing processing, regulation, or disposal.
Prominent usage is in German waste management, where the term dual system refers to the Duales System
Other uses occur in technology and business, where a dual system describes architectures that maintain two