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Release It! by Michael T. Nygard

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Use the Force

Your early decisions make the biggest impact on the eventual shape of your system. The earliest decisions you make can be the hardest ones to reverse later. These early decisions about the system boundary and decomposition into subsystems get crystallized into the team structure, funding allocation, program management structure, and even time-sheet codes. Team assignments are the first draft of the architecture. (See Conway’s Law.) It’s a terrible irony that these very early decisions are also the least informed. This is when your team is most ignorant of the eventual structure of the software in the beginning, yet that is when some of the most irrevocable decisions must be made.

Even on “agile” projects,[5] decisions are best ...

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