# Capacity Signaling

> The requirement that downstream capacity be signaled upstream so producers adjust their rate.

Record: `lexicon:capacity-signaling`
Kind: constraint
Layer: [Correctness Core](https://banes-lab.com/records/layer/correctness-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-capacity-signaling

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Alternate Behavior](https://banes-lab.com/records/lexicon/alternate-behavior.md) and before [Failure Isolation](https://banes-lab.com/records/lexicon/failure-isolation.md).

## Category

- [Error Handling / Resilience](https://banes-lab.com/records/lexicon-category/error-handling-resilience.md)

## Required by

- [Backpressure](https://banes-lab.com/records/architecture/backpressure.md)

## Linked from

- [Error Handling / Resilience](https://banes-lab.com/ontology/principles/architecture-category-error-handling-resilience.md)