PL: Od integracji do interakcji… czyli kompleksowe (s)tworzenie aplikacji ANG: From integration to interaction... the complex application design

2. Od integracji do interakcji… czyli
kompleksowe (s)tworzenie
aplikacji
From integration to interaction... the complex
application design

3. Katarzyna Mrowca
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5. Agenda
Recipe for a project failure - key ingredients
How to defeat evil creature?

6. Before I start…

7. Before I start…
Few things which won’t be mentioned

8. Recipe for a project failure
key ingredients

9. Requirements…

10. Requirements…
Straight from the moon!

11. The horror!

12. The horror!
What was on your mind when you’d written this down?!

13. Description was:
…not delivered
…completely incomprehensible
…had lots of inconsistencies

14. Description was:
…not delivered
… completely incomprehensible
…had lots of inconsistencies

15. Description was:
…not delivered
…completely incomprehensible
…had lots of inconsistencies

16. Science Fiction

17. Why?
I have no idea!

18. Why?
I have no idea!
…but I want it NOW!

19. Change your mind like a girl*…
unstable basic assumptions!
*changes clothes, via Katy Perry Hot 'n Cold

20. Architecture
nightmare

21. Architecture
nightmare
From the real world…

22. Architecture
nightmare
From the real world… … and from the 0 1 world…

23. Architecture not taken into consideration
at planning stage…

24. No „need” to add application to the
system architecture till… few days before
deployment!

25. Modifications in other systems are
required but… nobody cares

26. Integration
monsters
Say „hello” to
problems…

27. Integration
monsters
Say „hello” to
problems…

28. Integration
monsters
Upssss… new requirements?

29. What would happen if…
one of the systems fell down?
Source
system
x
Source
system
z
Destination
system
y

30. What would happen if…
one of the systems fell down?
Source
system
x
Source
system
z
Destination
system
y

31. Food chain

32. Business proces flow
A B C D

33. Business proces flow
A B C DNew!

34. Business proces flow
A B C DNew!
What if we cannot send data to „A”?

35. Applications (different) are part of
business steps…
but they can’t communicate…

36. Hand made?

37. Change process?

38. Business proces flow
A B C DNew!
What if we cannot send data to „A”?

39. Business proces flow
A B C DNew!

40. New!
Business proces flow
B C DA

41. Business proces flow
A B C DNew!

42. Business proces flow
A B C
D
New! New!

43. Change system?

44. done…
almost

45. done…
almost

46. (non)usability

47. (non)usability

48. How to defeat…
evil creature?

49. Simple rules everyone knows…
do not apply

50. Communication…

51. Communication
Weird requirements -> scream

52. Thinking!

53. Global view
Think about architecture in advance

54. Global view
Take interactions with other systems into
consideration

55. Global view
Consider the business surroundings

56. Global view
Think what users need instead of what users want


57. Logic & common sense

58. Logic & common sense
Friends or enemies?

59. Thank you for your attention!
Dziękuję za uwagę!