Granularity and Communication in Microservice Architectures

on YouTube ↗44m

" summary

Introduces the architecture quantum as a metric, gives five disintegrators (functionality, volatility, scalability, fault tolerance, security) and three integrators (transactionality, data dependency, workflow) to iterate service boundaries, and enumerates eight saga classes (synchronous/asynchronous × atomic/eventual × orchestration/choreography). Shows which combos cause slow blocking, impossible error recovery (the asynchronous atomic choreography anti‑pattern), and which favor responsiveness and scale (asynchronous eventual orchestrated). Recommends iterative application of these tools and prefers eventual consistency for most distributed workflows.

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" chapters (12)

1. 0:00Introduction and scope
2. 3:00Service disintegrators
3. 7:47Operational drivers
4. 10:14Service integrators
5. 14:24Workflow considerations
6. 17:16Dynamic coupling forces
7. 22:12Consistency and data
8. 24:20Orchestration vs choreography
9. 28:58Saga patterns
10. 34:04Advanced saga patterns
11. 38:23Choreographed sagas
12. 42:22Q&A and conclusion

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