# Execution Core

> The rules governing execution flow — a single observable path, no deferring, no dual-path branching, nothing unobserved.

Record: `algorithms:execution-core`
Kind: algorithm
Layer: [Execution Core](https://banes-lab.com/records/layer/execution-core.md)
Canonical: https://banes-lab.com/ontology/algorithms#algorithms-execution-core
Closure: https://banes-lab.com/json/records/algorithms/execution-core/closure

Listed in [Algorithm contracts](https://banes-lab.com/api/records/algorithms.md), after [Resource Core](https://banes-lab.com/records/algorithms/resource-core.md) and before [Computation Core](https://banes-lab.com/records/algorithms/computation-core.md).

## Domain

- [Architectural Clusters](https://banes-lab.com/records/algorithms-domain/architectural-clusters.md)

## Tier

- [exempt](https://banes-lab.com/records/vocabulary/domain-tier-exempt.md)

## Principle

- [Controlled Side Effects](https://banes-lab.com/records/architecture/controlled-side-effects.md)

## Composed by

- [Single-Path Determinism Over Dual-Path](https://banes-lab.com/records/algorithms/no-dual-path.md)
- [Immediacy Over Deferring](https://banes-lab.com/records/algorithms/no-deferring.md)
- [Observed Execution Over Unobserved](https://banes-lab.com/records/algorithms/no-unobserved.md)
- [Single Owner Over Shared Ownership](https://banes-lab.com/records/algorithms/no-shared-ownership.md)
- [Event Emission Over Parent Callbacks](https://banes-lab.com/records/algorithms/no-callbacks.md)
- [Monotonic Growth Over Retraction](https://banes-lab.com/records/algorithms/no-retraction.md)
- [Ordinal Time Over Timestamps](https://banes-lab.com/records/algorithms/no-timestamps.md)
- [Saga Compensation Over Distributed 2PC](https://banes-lab.com/records/algorithms/no-distributed-2pc.md)
- [Async Events Over Synchronous Cross-Boundary](https://banes-lab.com/records/algorithms/no-sync-cross-boundary.md)
- [Observable Signals Over Opaque Runtime](https://banes-lab.com/records/algorithms/no-opaque-runtime.md)

## Contract of

- [Execution Core](https://banes-lab.com/records/layer/execution-core.md)

## Linked from

- [Transactions / State / Concurrency](https://banes-lab.com/ontology/principles/architecture-category-transactions-state-concurrency.md)
- [Architectural Rules](https://banes-lab.com/ontology/algorithms/algorithms-domain-architectural-rules.md)
- [Domain tiers](https://banes-lab.com/ontology/schema/the-vocabulary-domain-tier.md)
- [The layer topology](https://banes-lab.com/ontology/schema/the-layer-topology.md)