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Thoughts on the World, and Other WritingsWhy Software Isn't Like Building ConstructionMany software development and management methods are founded on a basic assumption - that constructing software is rather like building a bridge or a house. Once we've "done the design", actually generating the software ought to be a completely predictable, relatively low-skilled process. However four decades of failure to achieve this vision might suggest that we should revisit the assumption. In a paper entitled "The New Methodology" Martin Fowler, the guru of object-oriented development, suggests a couple of reasons why this might be. My article answers Martin's, suggesting a couple of other considerations, and whether we have to completely abandon the physical construction analogy as a result.
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