# At-Least-Once Delivery Safety

> The degree to which a message is guaranteed to be delivered at least once, tolerating duplicates.

Record: `lex:at-least-once-delivery-safety`
Kind: quality-attribute
Layer: [Execution Core](https://banes-lab.com/records/layer/execution-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-at-least-once-delivery-safety

## category

- [Event Messaging Async](https://banes-lab.com/records/lex-category/event-messaging-async.md)

## referenced-by

- [Idempotent Consumer](https://banes-lab.com/records/arch/idempotent-consumer.md)