Event and Messaging Consistency

Kind: algorithm

Record: algorithms:event-and-messaging-consistency

Canonical: Algorithms

Closure: Dependencies in load order

For asynchronous systems, validate event contracts, message schemas, idempotent consumers, outbox publication, correlation metadata, ordering guarantees, retry behavior, and dead-letter handling.

Listed in Algorithm contracts, after Pattern Selection and before State and Transaction Safety.

Domain

• Architecture relationships

Tier

• leaf

Composes

• Observability Trace

Math type

• Logic

Force

• Causality ordering
• Contract compatibility
• Correctness verification
• Event messaging
• Observability traceability
• Resilience recovery
• State transaction

Linked from

• Architecture
• The mathematics
• Domain tiers
• The forces