Tag: messaging

All the articles with the tag "messaging".

• Eventual consistency you can explain to the business

  14 Sep, 2026

  Eventual consistency sounds like an excuse for wrong data. In the language of money, letters and obligations, it's just how the business already works.

• “Exactly once” is a lie

  11 Sep, 2026

  “Exactly-once delivery” is a promise no broker can keep. What you actually get — and can build on — is at-least-once delivery plus idempotent consumers.

• The dual-write problem & the outbox pattern

  8 Sep, 2026

  Saving to your database and publishing a message look like one step. They're two, and the gap between them is where you lose data. The outbox pattern closes it.