Status: IN
The GoF catalog's behavioral infrastructure operates through two independently characterized subsystems on complementary structural substrates: the event-driven subsystem (Observer-Command spanning the full four-dimensional modification space) addresses flat inter-object communication as a complete behavioral-level design substrate, while the recursive subsystem (Composite-based with bidirectional processing via Iterator, Chain-of-Responsibility, and Visitor, validated by Interpreter and governed by SOLID) addresses hierarchical intra-structure computation — together covering both network and tree topologies, though the claim of exhaustive completeness across all possible topologies goes beyond what the individual subsystem analyses establish.
Event and recursive subsystems partition the behavioral design space by structural topology
Depends on (SL): event-architecture-spans-full-modification-space, recursive-subsystem-bidirectionally-engineered