Introduce one framework of designing distributed system for small and medium company.

1. How to design a distributed
system
By Jinglun Li

2. Agenda
• A framework of designing distributed system
• Two critical challenges

3. Requirements
Functionality Quality Constraint
Business Requirements A vertical search engine Release in three months 10 machines
which gears the market. (e.g. … …
a music search engine)
Users Requirements 1. Show query 1. Response quickly.
suggestions when user 2. Search records are good.
types words. …
2. Show records which
user are most likely
searching for.
…
Development Requirements 1. Flexibility Resource:
2. Maintainable One UED
3. Scalable One Frontend Developers
… Three Backend Developers

4. From Mud to Structure

5. NEAT

6. Layer

7. Pipe and Filter

9. Logical View

10. Logical View (cont.)

11. 4 + 1 Views

12. 4 + 1 Views (cont.)

13. Development View

14. Development View (cont.)
• Src/
– Php/
– Search manager/
– Search/
– Index/
– …
• Util/
– Log/
– String/
– Persistence/
• …

15. Process View

16. Deployment View

17. Review

18. Challenges

19. Distribution Infrastructure
• Broker
• Message
• Publisher-Subscriber

20. Broker

21. Broker (Server Side)

22. Messaging

23. Publisher-Subscriber

24. Models Summary

25. Concurrency
• Half-Sync/Half-Async
• Leader/Followers
• Active Object
• Monitor Objector

26. Half-Sync/Half-Async

27. Leader/Follower

28. Active Object

29. Monitor Object

30. Reference
1. Pattern-Oriented Software Architecture-Volume 1 A System of Patterns
1996
2. Pattern-Oriented Software Architecture-Volume 3 Patterns for Resource
Management
3. Pattern-Oriented Software Architecture-Volume 4 A Pattern Language
for Distributed Computing May 2007
4. Pattern-Oriented Software Architecture-Volume 5 On Patterns and
Pattern Languages 2007
5. SOA in Practice The art of Distributed System Design 2008
6. Domain-Driven Design Trackling Complexity in The Heart of Software
2010
7. The 4+1 View Model of Architecture
8. Applying UML and Patterns An Introduction to Object-Oriented Analysis
and Design and Iterative Development 2006
9. 一线架构师 2009

31. Thanks!

32. Backup