Three main challenges in distributed systems:
2. message order
1. duplicates
2. message order
3.

"I've told them once that splitting my modularized monolith to microservices will be easy. Well, it should be easy then..."

Nothing changes, just the network.

And here they are: messages are lost or duplicated, delayed or out of order, testing is more complex and less reliable, infrastructure implementation details leaks into the apps.

Talk gives hint on all those and even more aspects of reliable communication, focusing on Outbox Pattern. Giving the heuristics on deciding which issue affects you, and how, plus solutions: how strong solution you need to deal with it.

audience: Developers, Architects (Intermediate)