A PechaKucha I did on Software Design during my TWU in ThoughtWorks

1. Software Design
Sai Kiran Naragam

2. Software Design?
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The the process of `defining` software.

3. Software Design? Contd..
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Programming is design.

4. Influenced By
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Programming Paradigm
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Language Features
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Development Methodology

5. Programming Paradigms
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Object Oriented
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Procedural
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Functional

6. Language Features
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Language influences and limits one's ability to express
(and even formulate) ideas, because people tend to "think in a language"

7. Development Methodologies
Based on Development Methodology Software Design can be
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Planned (Waterfall)
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Evolutionary (Agile)

8. Planned Design
Water Fall or Early Design

9. Evolutionary Design
XP
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Design is an ongoing activity
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It includes refactoring and heuristics
such as YAGNI

10. Based on Understanding
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Simple Design
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Complex Design

11. Simple Design

12. What is Simple Design?

13. Complex Design

14. Relation with Architecture
Closely Related !

15. Architecture
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Shared understanding of system
design
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Mostly how components interact with
each other through interfaces

16. Architecture as `decisions`
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Sometimes architects needs to take decisions.
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These decisions have significant impact on system.

17. Can Architecture be changed ?
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Can a building architecture be changed in the middle of construction ?
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But we can change software architecture.

18. Software is limited
by imagination,
by design,
by organization - Martin Fowler

19. What to do for good design?
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Don't worry about design, if you listen to your code a good design will appear - MartinFowler
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Learning architecture and design comes from experience.

20. Thank You