Load Balancing / Session Affinity
Kind: tension
Record: tension:load-balancing-session-affinity
Canonical: Schema
"load-balancing" (performance-core layer) is traded against "Session Affinity" (performance-core layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Session Affinity" and choosing an explicit operating point.
Listed in Tensions, after Elasticity / Warm-Up Latency and before Sharding / Cross-Shard Queries.