Executives CEO Bureaucracy You must do daily standup You have to do planning poker You must deliver work every two weeks Pair programming is a waste of time We are late, go faster You must provide us burndown charts
that a 3-7 person team has the best performance » « The trend appears to have a exponential behavior. The most cost effective strategy is the smallest team, however the extreme nonlinear effort increase doesn’t seem to kick in until the team size approaches 9 or more people. »
Best in Class projects delivered 5 times faster and used 15 times less effort than Worst in Class projects. » « he characteristic that stood out from Don's analysis was team size. Best in Class projects used smaller teams (over 4 times smaller, on average) than the worst performers. »
projects, the large teams were 3 times more costly than the small teams, and delivered 2 times as many defects. On large projects, large teams were a whopping 4 times more expensive than the small ones and delivered 3 times as many defects. »
projects) « On small projects, the large teams were 3 times more costly than the small teams, and delivered 2 times as many defects. On large projects, large teams were a whopping 4 times more expensive than the small ones and delivered 3 times as many defects. »
additional staff reduced the schedule by approximately 30%, the project cost actually increased by 350%. The additional staff also created 500% more defects that had to be f i xed during testing. »
E-Marketing Team Invoice Team Stock management Shipping Full f i lement Supplier Management Payment gateway Accounting Order Management Invoicing Catalogue Search engine
inverse Conway Maneuver « HR are accidental architects of your designs software systems » « Team Assignments are the f i rst draft of the architecture » - Michael Nygard
Have explicit boundaries « We Provide empirical evidence that product ambiguity exists, and it is more likely to be present across organizational and system boundaries » - Sosa & al, 2004 « « …Mismatches between product architecture and organizational structure [are] positively associated with quality problems » - Gokpinar et al, 2010 Invoice Team Order Management Invoicing
winning decisive battles or meeting global business targets are the type of goals often best achieved when pursued indirectly. This is the idea of Obliquity. Oblique approaches are most effective in dif f i cult terrain, or where outcomes depend on interactions with other people. » – John Kay
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