Publish/Subscribe Pattern / Delivery Ordering
Kind: tension
Record: tension:delivery-ordering-publish-subscribe-pattern
Canonical: Schema
"publish-subscribe-pattern" (execution-core layer) is traded against "Delivery Ordering" (execution-core layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Delivery Ordering" and choosing an explicit operating point.
Listed in Tensions, after Event-Driven Architecture / Strong Consistency and before Message Queue / Latency.