Engineering & Systems / Practice
xAPI concurrency control
Definition
The xAPI use of HTTP entity tags and conditional request headers to prevent State, Agent Profile, or Activity Profile updates and deletes from being based on stale data.
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Concurrency control protects shared document resources from accidental overwrites when multiple clients read and modify the same data.
Related concepts
Sources and evidence
- IEEE xAPI Base Standard — IEEE 9274.1.1-2023 §4.1.4 — Concurrency (direct)
- IEEE xAPI Base Standard — IEEE 9274.1.1-2023 §5.1.4 — Concurrency (direct)