~/talk

Messaging Patterns for Modern Software Solutions

Talkat NDC Oslo 2025 · 2025-05-19..05-23· [microservices]
slides:none on file

Covers concrete messaging fixes: uses Outbox pattern (Entity Framework table + worker) to avoid ghost messages and zombie records, an Inbox pattern to deduplicate retries, and Saga pattern for async workflows with compensating actions; demo uses MassTransit, RabbitMQ, SQL Server and shows outbox/inbox tables, 202 Accepted responses, and message buffering for burst load (load leveling). Explains delivery semantics (at-least-once/at-most-once), duplicate detection windows, and tradeoffs versus HTTP sync request/response.

AI-written summary · about

  1. 0:00Messaging patterns intro
  2. 1:15Monolith to microservices
  3. 3:50HTTP API problems
  4. 9:54HTTP limits
  5. 12:02HTTP for long ops
  6. 15:38HTTP sync issues
  7. 19:15Message brokers intro
  8. 22:47Messaging history
  9. 25:15Message types
  10. 28:26Load leveling queues
  11. 30:12Outbox pattern
  12. 34:10Ghost messages & zombies
  13. 37:03Duplicate messages inbox
  14. 43:00Outbox & inbox demo
  15. 54:25Saga pattern
  16. 1:01:24Conclusion and key takeaways
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