Passages: The Life Cycle of Production Systems
It is a common belief that as people get older they start behaving like children again. This phenomenon is also found in buildings, most classes of products, roads, computer hardware, and systems. In fact, by careful monitoring of the production system costs, a very clear pattern of “life stages” emerges for the majority of production systems.
1. New Product or System: Childhood
As we discussed in Chapter 18, all new products or systems exhibit the same patterns of work effort. On implementation, there is a peak of three categories of support work:
Defect repair,
System help or consulting, and
Performance tuning.
The duration of this peak depends on a complex relationship between product or system ...
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