# CDN / Edge Caching / Cache Invalidation

> "cdn-edge-caching" (performance-core layer) is traded against "Cache Invalidation" (performance-core layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Cache Invalidation" and choosing an explicit operating point.

Record: `tension:cache-invalidation-cdn-edge-caching`
Kind: tension
Canonical: https://banes-lab.com/ontology/schema#tension-cache-invalidation-cdn-edge-caching

## tensions-with

- [CDN / Edge Caching](https://banes-lab.com/records/arch/cdn-edge-caching.md)
- [Cache Invalidation](https://banes-lab.com/records/lex/cache-invalidation.md)