Event-Driven Architecture

Transcript

1. 1 EVENT-DRIVEN ARCHITECTURE
2. 1. The quest for scalability 2 A tale of a company...
3. “ 3 Scalability is the property of a system to handle a growing amount of work by adding resources to the system.
4. 4 Scalability Development • New features • Continuous Deployment • New team members • New technologies Software • Usage • Concurrency • Stored data • Availability
5. Scalability cube 5
6. Monolithic Application 6
7. Monolithic Application 7
8. SOA Approach 8
9. Virtualized SOA Approach 9
10. Orchestrated & Virtualized SOA Approach 10
11. 2. Microservices 11 The silver bullet...
12. Microservices Approach 12
13. Microservices & API Gateway Approach 13
14. Microservices & API Gateway Approach 14
15. EVENT SOURCING 15
16. “ 16 Event Sourcing ensures that all changes to application state are stored as a sequence of events. Not just can we query these events, we can also use the event log to reconstruct past states, and as a foundation to automatically adjust the state to cope with retroactive changes. - Martin Fowler
17. Log- Structured Approach 17
18. “ 18
19. “ 19
20. Event-Driven Architecture 20 ▪ 100% accurate audit logging ▪ Easy temporal queries ▪ Asynchronous communication ▪ Data Consistency ▪ Data recovery ▪ Horizontal scaling ▪ Loosely coupled services ▪ Act as Message Broker ▪ Idempotence
21. Event-Driven Architecture 21
22. Microservices & Event Sourcing Approach 22
23. Event Sourcing & Data streams Approach 23
24. Integrate Legacy Applications 24
25. A better Microservices Approach 25
26. Questions? 26
27. References 27 • https://guidoschmutz.wordpress.com/ • http://microservices.io • https://kafka.apache.org/ • https://martinfowler.com/eaaDev/EventSourcing.html https://www.confluent.io/blog/data-dichotomy-rethinking-the-way-we -treat-data-and-services/ • https://engineering.linkedin.com/distributed-systems/log-what-every-s oftware-engineer-should-know-about-real-time-datas-unifying • https://medium.com/@hugo.oliveira.rocha/what-they-dont-tell-you-abo ut-event-sourcing-6afc23c69e9a
28. Thank you very much for your time 28