Term Kind Topic What it is
Fallback Independence practice Graceful Degradation The requirement that a degraded path fail independently of the primary - and be exercised continuously, because fallbacks that are never run do not work.
Feature Criticality Tiering practice Graceful Degradation Classifying product functionality by whether it must work, should work, or can be dropped, so degradation decisions are made in advance by the business.
Graceful Degradation in Practice pattern Graceful Degradation Deliberately reducing functionality to preserve the core when a dependency fails — a product decision expressed in architecture.
Value-Graduated Fallback Tiered Degradation by Stake, Risk-Weighted Fallback pattern Graceful Degradation A degradation ladder whose depth depends on the value at stake, so a low-value transaction proceeds on weak signals while a high-value one fails closed - replacing a single binary decision that is always wrong…