How Agile changed Software Development

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Slides of my talk at the Feb 20th 2020 PMI NIC Event on Requirement Management at Wartsila in Trieste, Italy. I'm highlighting what worked well and what did not during my career, also taking into account recent paradigms such as Cloud and DevOps. I'm also dissecting some of main agile principles and sharing my opinion on how to benefit from them.

Business

How Agile
changed Software Development
Steve Maraspin <s.maraspin@mvlabs.it>
CC BY-NC-SA 3.0 - http://creativecommons.org/licenses/by-nc-sa/3.0/

If you’ve enjoyed this presentation and want to learn more,
you can find useful references at the end of this slide deck.

• Requirements (Analysis)
• Design
• Module Development
• Module Integration
• Maintenance
Sequential software development

• Requirements (Analysis)
• Design
• Module Development
• Module Integration
• Maintenance
Sequential software development
Months

• Requirements (Analysis)
• Design
• Module Development
• Module Integration
• Maintenance
Agile software development
Weeks
(or even days)

• Requirements (Analysis)
• Design
• Module Development
• Module Integration
• Feedback
Agile software development
Weeks
(or even days)

Where sequential fails
in bureaucracy,
Agile fails in anarchy
- Steve McConnell

• Automated testing
• Frequent integration

INTEGRATION ISSUES
Works on my machine!
Interface contract whaaat?!?

DevOps
• Same environments on different hosts

DevOps
• Same environments on different hosts
• Continuous (automated) deployment

DevOps
• Same environments on different hosts
• Continuous (automated) Deployment
• Infrastructure as code

Agile: the good
• Short iterations → feedback value

Agile: the good
• Short iterations → feedback value
• JIT planning → plan adjustments

Agile: the good
• Short iterations → feedback value
• JIT planning → plan adjustments
• JIT requirements → avoiding waste

Imagen taken from “Skateboard, Bike, Car” by Andrew Wilkinson
https://medium.com/@awilkinson/skateboard-bike-car-6bec841ed96e

Are we sure users will tolerate having to adapt so often?

Agile: the risks
• Poor User Experience
• Expensive architectural mistakes

Agile: the risks
• Poor User Experience
• Expensive architectural mistakes
• Loss of focus

Agile: the risks
• Poor User Experience
• Expensive architectural mistakes
• Loss of focus
…beware of Availability Heuristic!

• Agile is no cowboy development
Takeaways

• Agile is no cowboy development
• Cloud and DevOps are Agile enablers
Takeaways

• Agile is no cowboy development
• Cloud and DevOps are Agile enablers
• Beware of project goals and User Experience
Takeaways

Upfront Activities
• Vision & Scope Definition

Upfront Activities
• Vision & Scope Definition
• High Level Analysis

Upfront Activities
• Vision & Scope Definition
• High Level Analysis
• Subsystem Decomposition

Upfront Activities
• Vision & Scope Definition
• High Level Analysis
• Subsystem Decomposition
• Main Architectural Design

THINK GLOBAL, ACT LOCAL
Make choiches. Identify goals upfont. And make some plans.
Be then prepared and deal with reality. With the unexpected. And changing contexts.

Thank you for your attention
Stefano Maraspin
s.maraspin@mvlabs.it

References
Royalty free pictures used in this presentation are from https://pixabay.com/

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Insurance IoT is a social good! Because: 🔵 Expected losses can be reduced structured programs with both real-time mitigation actions to solve a specific situation, and behavioral change mechanisms to promote safer behaviors (both in personal and commercial lines) 🔵 Rate can be matched to risks better: - Smaller and more accurate pricing clusters allow a large part of profiles to receive a lower rate - Even with the ability to price the individual probability of loss (cluster of one) the insurance foundation isn’t canceled (The risk of each policy will contribute to the expected losses of the portfolio; The premiums paid by many lucky policyholders will be used to pay the claims of the few unlucky policyholders who had an accident in a period of coverage) 🔵 IoT data can be used to increase the effectiveness and efficiency of the claim process, so improving the combined ratio ceteris paribus ⏩ Large part of the policyholders will pay less (and portfolios currently difficult to insure will become more insurable) Insurance IoT (and telematics) is not about providing a discount Insurance IoT (and telematics) is about creating economic value using the data and sharing part of this value with policyholders (and agents & brokers) An integrated holistic adoption of the IoT paradigm is a game changer for your insurance business and a social good: ◾ it allows to improve the availability and affordability of insurance coverages ◾while allowing the sector to write a profitable business Below you can enjoy a selection of best practices in both personal and commercial lines - written with some of the IoT Insurance Observatory members - that have already started to obtain results from their IoT business transformation journeys

Insurers' journeys to build a mastery in the IoT usage

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How Agile changed Software Development

1. How Agile changed Software Development Steve Maraspin <s.maraspin@mvlabs.it> CC BY-NC-SA 3.0 - http://creativecommons.org/licenses/by-nc-sa/3.0/

2. If you’ve enjoyed this presentation and want to learn more, you can find useful references at the end of this slide deck.

3. Waterfall software development

4. • Requirements (Analysis) • Design • Module Development • Module Integration • Maintenance Sequential software development

5. • Requirements (Analysis) • Design • Module Development • Module Integration • Maintenance Sequential software development Months

6. • Requirements (Analysis) • Design • Module Development • Module Integration • Maintenance Agile software development Weeks (or even days)

7. • Requirements (Analysis) • Design • Module Development • Module Integration • Maintenance Agile software development Weeks (or even days)

8. • Requirements (Analysis) • Design • Module Development • Module Integration • Feedback Agile software development Weeks (or even days)

9. Project Scope

10. Requirement Analysis

11.

12. Software Design

13.

14. Module implementation & integration

15.

16.

17.

18.

19. Backlog Items On to agile…

20. Timeline

21.

22.

23. Timeline

24.

25.

26.

27.

28.

29.

30.

31.

32. ATOMIC REQUIREMENTS

33. EMERGENT REQUIREMENTS

34. CODE & FIX

35. Where sequential fails in bureaucracy, Agile fails in anarchy - Steve McConnell

36. • Automated testing • Frequent integration

37.

38. INTEGRATION ISSUES Works on my machine! Interface contract whaaat?!?

39.

40.

41.

42. Virtualization Containerization Cloud

43.

44.

45. DevOps

46. DevOps • Same environments on different hosts

47. DevOps • Same environments on different hosts • Continuous (automated) deployment

48. DevOps • Same environments on different hosts • Continuous (automated) Deployment • Infrastructure as code

49. AGILE ENABLERS

50. Agile: the good • Short iterations → feedback value

51. Agile: the good • Short iterations → feedback value • JIT planning → plan adjustments

52. Agile: the good • Short iterations → feedback value • JIT planning → plan adjustments • JIT requirements → avoiding waste

53. Imagen taken from “Skateboard, Bike, Car” by Andrew Wilkinson https://medium.com/@awilkinson/skateboard-bike-car-6bec841ed96e

54. Are we sure users will tolerate having to adapt so often?

55. Agile: the risks • Poor User Experience

56. Agile: the risks • Poor User Experience • Expensive architectural mistakes

57. Agile: the risks • Poor User Experience • Expensive architectural mistakes • Loss of focus

58. Agile: the risks • Poor User Experience • Expensive architectural mistakes • Loss of focus …beware of Availability Heuristic!

59.

60. • Agile is no cowboy development Takeaways

61. • Agile is no cowboy development • Cloud and DevOps are Agile enablers Takeaways

62. • Agile is no cowboy development • Cloud and DevOps are Agile enablers • Beware of project goals and User Experience Takeaways

63. CROSS FUNCTIONAL TEAMS

64. Upfront Activities • Vision & Scope Definition

65. Upfront Activities • Vision & Scope Definition • High Level Analysis

66. Upfront Activities • Vision & Scope Definition • High Level Analysis • Subsystem Decomposition

67. Upfront Activities • Vision & Scope Definition • High Level Analysis • Subsystem Decomposition • Main Architectural Design

68. AGILE SPRINTS

69. THINK GLOBAL, ACT LOCAL Make choiches. Identify goals upfont. And make some plans. Be then prepared and deal with reality. With the unexpected. And changing contexts.

70. Thank you for your attention Stefano Maraspin s.maraspin@mvlabs.it

71. References Royalty free pictures used in this presentation are from https://pixabay.com/

72. Don’t miss our next open events… Join our Mailing List http://eepurl.com/s3Kab @mvlabsitwww.facebook.com/mvlabst.me/mvlabs_events don’t miss the underscore too!

73. s.maraspin@mvlabs.it GOT FEEDBACK? QUESTIONS? WRITE ME @maraspin

How Agile changed Software Development

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