# Single-Writer Coordination

> The ability to designate one writer for each unit of shared state, whether an elected node or the party a record names, so updates to it need no further coordination.

Record: `lexicon:single-writer-coordination`
Kind: capability
Layer: [Execution Core](https://banes-lab.com/records/layer/execution-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-single-writer-coordination

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Ordered Multi-Step Execution](https://banes-lab.com/records/lexicon/ordered-multi-step-execution.md) and before [Unified Config Management](https://banes-lab.com/records/lexicon/unified-config-management.md).

## Category

- [Control / Coordination / Centralization](https://banes-lab.com/records/lexicon-category/control-coordination-centralization.md)

## Enabled by

- [Leader Election](https://banes-lab.com/records/architecture/leader-election.md)
- [Write Barrier](https://banes-lab.com/records/architecture/write-barrier.md)

## Linked from

- [Control / Coordination / Centralization](https://banes-lab.com/ontology/principles/architecture-category-control-coordination-centralization.md)
- [Coordination Surfaces](https://banes-lab.com/ontology/principles/architecture-category-coordination-surfaces.md)