Resilience

Kind: quality-attribute

Layer: Correctness Core

Record: architecture:resilience

Severity: contextual

Scope: service, system, infrastructure

Canonical: Ontology

The degree to which a system contains failures, stays stable under stress and recovers.

Listed in Architecture principles, after Fault Tolerance and before Robustness Principle.

Requires

• Fault Tolerance
• Observability

Reinforces

• Self-Healing Architecture
• Recovery

Enables

• Stability Under Stress

Conflicts with

• Brittle Architecture

In tension with

• Complexity

Tensions

• Resilience / Complexity

Violated by

• Failure Propagation

Refactored by

• Circuit Breaker Pattern
• Bulkhead Pattern
• Retry Pattern
• Timeout Pattern

Severity

• contextual

Category

• Error Handling / Resilience

Reinforced by

• Service Discovery
• Decentralization
• Autonomy
• Message Queue
• Asynchronous Communication
• Compensating Transaction
• Fail Safe
• Error Handling
• Error Boundaries
• Backpressure
• Statelessness
• Rollback

Linked from

• The canon is grouped twice
• Runtime Discovery / Dynamic Binding
• Control / Coordination / Centralization
• Correctness / Determinism / Verification
• Core Modular Design
• Event / Messaging / Asynchronous Architecture
• Error Handling / Resilience
• Observability / Auditability / Traceability
• Scalability / Performance / Optimization
• Self-Healing / Recovery / Deployment Safety
• Core Vocabulary
• Error Handling / Resilience
• Quality Attributes
• Severity levels
• The resolutions