Sufficient Design

1. December 2010 Joshua Kerievsky Industrial Logic, Inc. Twitter: @JoshuaKerievsky #SufﬁcientDesign Sufﬁcient Design Thursday, December 16, 2010

2. ThereIFixedIt.com Thursday, December 16, 2010

8. Thursday, December 16, 2010

9. What Is Sufﬁcient Design? Thursday, December 16, 2010

12. Build It Right! Thursday, December 16, 2010

13. Build It Ship It Right! Fast! Thursday, December 16, 2010

15. What Is Best? Build It Ship It Right! Fast! Thursday, December 16, 2010

17. Fast Dirty Clean Slow Thursday, December 16, 2010

22. Fast DEFECT Dirty Clean Slow Thursday, December 16, 2010

23. Value Low High Demand Low High Delivery Slow Fast Thursday, December 16, 2010

24. Design Complex Simple Debt Low High Development Assembled Crafted Thursday, December 16, 2010

25. 5.X Development Deathcycle Thursday, December 16, 2010

26. 1.0 Release Thursday, December 16, 2010

31. Cost Actual of CoC Change (CoC) Release Optimal CoC 1 2 3 4 5 Years Model courtesy of Jim Highsmith Thursday, December 16, 2010

32. Cost Actual of CoC Change (CoC) Release Technical Debt Optimal CoC 1 2 3 4 5 Years Model courtesy of Jim Highsmith Thursday, December 16, 2010

33. Customer Responsiveness Cost Actual of CoC Change (CoC) Release Technical Debt Optimal CoC 1 2 3 4 5 Years Model courtesy of Jim Highsmith Thursday, December 16, 2010

46. Sufﬁcient Design Case Studies Thursday, December 16, 2010

49. Manufacture In Bulk At Low Cost Thursday, December 16, 2010

50. Deliver At No Cost To Least Served Thursday, December 16, 2010

51. Goal: Quickly Deliver To 20 Million People Thursday, December 16, 2010

52. $59.20 Competitor? $150 Cheap Tough, Tough Steel Frame Simple Patio Durable Cheap Cheaply Parts + Furniture Bike Tire Castors Produced Assembly Thursday, December 16, 2010

53. $59.20 Competitor? $150 Cheap Tough, Tough Steel Frame Simple Patio Durable Cheap Cheaply Parts + Furniture Bike Tire Castors Produced Assembly Thursday, December 16, 2010

59. Quick Collaboration on the Web Thursday, December 16, 2010

76. Sketch Thursday, December 16, 2010

77. Sketch Thursday, December 16, 2010

78. Sketch Craft Thursday, December 16, 2010

79. Sketch Craft Reﬁne Thursday, December 16, 2010

80. Fowler’s Design Payoff Line Thursday, December 16, 2010

82. “Good Enough” involves rational choices, not compulsive behavior. -James Bach, Good Enough Quality Thursday, December 16, 2010

87. Sufﬁcient Design may be Excellent to Poor design based on the CONTEXT at hand. Thursday, December 16, 2010

88. Good Enough has nothing to do with mediocrity. -James Bach, Good Enough Quality Thursday, December 16, 2010

89. “Our goal is to achieve an acceptable level of risk.” -James Bach, The Challenge of “Good Enough” Software Thursday, December 16, 2010

91. “Learn One New Programming Language Every Year.” Thursday, December 16, 2010

92. “Learn One New Programming Language Every OTHER Year.” Thursday, December 16, 2010

95. Thank You! Thursday, December 16, 2010

96. Bibliography • The Challenge of Good Enough Software, James Bach (www.satisﬁce.com/articles/ gooden2.pdf) • Good Enough Quality, James Bach (www.satisﬁce.com/articles/ good_enough_quality.pdf) • Good Enough Never Is (Or Is It?), Eric Ries (http://www.startuplessonslearned.com/ 2010/09/good-enough-never-is-or-is-it.html) Thursday, December 16, 2010

Sufficient Design

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