Best Practices In Building Scalable Cloud Ready Service Based

1. Best Practices in building scalable cloud-ready Service based systems Discussion Igor Moochnick IgorShare Consulting [email_address] Blog: www.igorshare.com/blog

2. Is this system scalable?

4. Scale-up And Scale-out $10,000 machine $1000 machine $500 machine # Machines Scale Up $500 machine $500 machine $500 machine Scale Out DNS WWW Volume Volume $500 machine

5. Is this system scalable?

6. Is this system scalable?

7. Is this system scalable?

8. Is this system a scalable MADNESS?

9. Here is the gun. Go kill yourself!

10. Some Useful Definitions Consistency Levels Message Assurances Strong Eventual Optimistic Missile Launch Address Change Stock Ticker Now In the Future Consistency Level Changes are Visible Example Maybe in the Future Exactly Once At Least Once At Most Once Bank Transfer Email Streaming Video No loss, no duplicates No loss, duplicates Assurance Message Delivery Example Loss, no duplicates Best Effort Stock Ticker Loss, duplicates

11. The Infrastructure Developer's Experience Where did you start? Where did you end up? Shared State ACID Transactions Partitioned, Replicated State Eventual Consistency Exactly Once Messaging Best Effort Messaging Machine Loss is a Catastrophe Keep Processes Running Machine Loss is Business As Usual Recovery-Oriented Computing

30. Q&A

31. Thank you!