Guest lecture presentation given at Malmö University 4 Feb 2013 as an introduction to software architecture for students in business intelligence.

1. intro to
software

2. @mljungblad
blog: ljungblad.nu
code: github.com/archie
mail: marcus.ljungblad@mah.se

3. what’s an

4. It’s all about quality,
but you can’t have it all!

5. Why architect?

7. Yet!
who’s an

8. Car requirements
Drive forwards and backwards
Use gasoline to power the engine
Steer the vehicle using a wheel
Control speed using a foot pedal

10. define a few
car qualities

11. ”For any different system, there are a
number of available architectures, and the
qualities that you want should
rule which architectural
choices you make.”

12. cost and time

13. f(
feature x using design y
with downside z )

14. What views?
views

15. styles
and patterns

16. A complete mess

17. Client
Client
Server
Client

18. $ node mapi.js -p 8000 > /tmp/mapi.log 2>&1 &

19. Presentation
Business logic
Data model

20. C
A
B
D D

21. C/S
C/S
C/S
C/S C/S

22. A bible!

23. what is

24. ”The interesting thing about Cloud
Computing is that we’ve redefined Cloud
Computing to include everything that we
already do. . . . I don’t understand what
we would do differently in the light
of Cloud Computing other
than change the wording
of some of our ads.”

25. ”Cloud Computing refers to both the
applications delivered as services over the
Internet and the hardware and systems
software in the datacenters that provide
those services.”

26. Cloud computing
Illusion of infinite HW resources
Elimination of upfront commitment
Pay-as-you-go on short term basis

30. cloud
arch itecture

31. what’s an

32. It’s all about quality,
but you can’t have it all!

34. Resources
GoF Patterns - http://en.wikipedia.org/wiki/Design_Patterns#Patterns_by_Type
Scalable Web Architecture and DS - http://www.aosabook.org/en/distsys.html
Code Monkey - http://www.youtube.com/watch?v=5W_wd9Qf0IE
Netflix Techblog - http://techblog.netflix.com/
Above the Clouds - http://www.eecs.berkeley.edu/Pubs/TechRpts/2009/EECS-2009-28.pdf
SW Architecture Talks
George Fairbanks’s Introduction to SW architecture - http://www.youtube.com/watch?v=x30DcBfCJRI
Cases
Heroku architecture - http://www.quora.com/Scalability/How-does-Heroku-work, http://www.heroku.com/how
Dropbox scaling - http://www.quora.com/Dropbox/What-is-Dropboxs-architecture
Highscalability Blog - http://highscalability.com/
Google’s MapReduce - http://research.google.com/archive/mapreduce.html
Creative Commons
http://www.flickr.com/photos/swisscan/633644067/sizes/l/in/photostream/
http://www.flickr.com/photos/banovsky/2721248454/sizes/l/in/photostream/
http://www.flickr.com/photos/-lif-/3213233094/sizes/l/in/photostream/
http://www.flickr.com/photos/shakeskc/7967355494/
http://www.flickr.com/photos/skasuga/139744722/sizes/l/in/photostream/
http://www.flickr.com/photos/stickkim/6013651966/sizes/l/in/photostream/
http://www.flickr.com/photos/jensst/5762063659/sizes/l/in/photostream/
http://www.flickr.com/photos/elizabethbw/8373942339/sizes/m/in/photostream/
http://www.flickr.com/photos/esther-/2516424698/sizes/o/in/photostream/