Event storming recipes

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Collecting requirements or understanding a large system seems such a long and demanding activity. We can do al lot better than this: unlimited modelling space and all the key stakeholder in the same room, with some special spice. :-) Domain-Driven Design has never been so efficient. This is where DDD meets Kanban, TOC and Management 3.0.

Weiterbildung und Persönlichkeitsentwicklung Technologie

#CDays14 – Milano 25, 26 e 27 Febbraio 2014
Video!

What’s Eventstorming
All the key stakeholders in the same
room
with an unlimited modelling space
using stickies as Domain Events

http://www.businessweek.com/articles/2013-04-18/faq-reinhart-rogoff-and-the-excel-error-that-changed-history

meaningful
conversation with
domain experts?

©
Alberto
Brandolini
2009
experts
help
us

to
understand
and
we
help

them

© Alberto Brandolini 2013
Event Storming
expected outcome
steered towards a canonical
model
partially deﬁned steps
model aﬃnity
given problem type

© Alberto Brandolini 2013
Model storming
unpredictable outcome
no canonical model
notation incremented
iteratively
!
no predeﬁned problem type

References
EventStormers community on Google+
https://plus.google.com/u/0/communities/
113258571348605620818
!
Introducing Event Storming:
http://ziobrando.blogspot.com/2013/11/introducing-
event-storming.html

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Event storming recipes

1. EventStorming recipes @ziobrando

2. What’s Eventstorming Let me show you…

3. #CDays14 – Milano 25, 26 e 27 Febbraio 2014 Video!

4. What’s Eventstorming All the key stakeholders in the same room with an unlimited modelling space using stickies as Domain Events

5. But basically…

6. it’s a party Let me show you…

7. who should we call?

10.

11.

12. you missed the party

13. but also…

14. You’re invited to the next one

15. hack the place

16.

17.

18.

19.

20. no sitting

21.

22. Ubiquitous body language

23.

24. Domain Events

25.

26. along a timeline

27.

28.

29.

30.

31. Let the magic happen!

32. no UML No BPMN NO …

33. Model affinity

34. Domain events are just a sweet spot

35. next steps

36.

37.

38.

39.

40. incomplete is a legitimate state

41.

42.

43. When should we stop?

44. The real constraint…

45. Make the party memorable

46. What are we seeing exactly?

47. system view

48.

49.

50.

51.

52.

53.

54.

55. Different people make a different party

56.

57.

58. in small companies…

59.

60.

61. Code coverage?

62. http://www.businessweek.com/articles/2013-04-18/faq-reinhart-rogoff-and-the-excel-error-that-changed-history

63.

64.

65. look for things that matter

66.

67. who’s with me?

68. gotta do something!

69. are you ready for it?

70. What about remote eventstorming?

71.

72. What about remote toga party?

73.

74. Ok, seriously

75. Wrapping up

76.

77. but…

78. leave it around, for a while…

79.

80. chaotic eats sequential for breakfast

81.

82.

83.

84. Creative collaboration

85. meaningful conversation with domain experts?

87. choose your role

88. Find an observation point

89. Model storming?

90. sorry about that

91. © Alberto Brandolini 2013 Event Storming expected outcome steered towards a canonical model partially deﬁned steps model aﬃnity given problem type

92. © Alberto Brandolini 2013 Model storming unpredictable outcome no canonical model notation incremented iteratively ! no predeﬁned problem type

93. Don’t postpone people

94. questions?

95. Tkanks! @ziobrando

96. References EventStormers community on Google+ https://plus.google.com/u/0/communities/ 113258571348605620818 ! Introducing Event Storming: http://ziobrando.blogspot.com/2013/11/introducing- event-storming.html

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Event storming recipes