Pattern 83 / AVAILABLE

Static Stability

Use this when Surviving dependency failure without immediate scaling or coordination.

Pressure: Surviving dependency failure without immediate scaling or coordination
Mechanism: Pre-provision enough local capacity and fallback data to operate during dependency loss
Toll: Costs more up front and requires discipline not to rely on emergency scaling

Diagram for Static Stability — Architecture plate83

Executive brief

Static Stability fits when Surviving dependency failure without immediate scaling or coordination. Mechanism: Pre-provision enough local capacity and fallback data to operate during dependency loss. Use it for Critical control planes and regional failover. The toll: Costs more up front and requires discipline not to rely on emergency scaling.

Use when

Critical control planes and regional failover.

Example

Use static stability when critical control planes and regional failover..

Review framing

Describe the pressure first, then the mechanism, then the cost. That keeps the design grounded.

Same pressure family

Availability

79Multi-Region Active-Active 80Active-Passive Failover