Timeout Pattern

Kind: pattern

Layer: Correctness Core

Record: architecture:timeout-pattern

Severity: mandatory

Scope: network, IO, dependency call

Canonical: Ontology

A design pattern that gives every external call a time budget and fails the call when the budget runs out.

Listed in Architecture principles, after Retry Pattern and before Circuit Breaker Pattern.

Requires

• Time Budget

Reinforces

• Fault Isolation

Enables

• Bounded Waiting

Conflicts with

• Timeout Omission

In tension with

• Slow Operation Tolerance

Tensions

• Timeout Pattern / Slow Operation Tolerance

Violated by

• Timeout Omission

Refactored by

• Deadline Propagation

Severity

• mandatory

Category

• Error Handling / Resilience

Refactors

• Synchronous Chain Trap
• Resilience

Linked from

• Posting and waiting are one operation
• Anti-patterns
• Error Handling / Resilience
• Core Vocabulary
• Error Handling / Resilience
• Quality Attributes
• Severity levels
• The resolutions

in this codebase

• fetchProbe