Rate Limiting / User Experience
Kind: tension
Record: tension:rate-limiting-user-experience
Canonical: Schema
"rate-limiting" (performance-core layer) is traded against "User Experience" (human-factors layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "User Experience" and choosing an explicit operating point.
Listed in Tensions, after Resource Utilization / Over-Provisioning and before Memory Efficiency / CPU Cost.