Competing for resources
When you want to achieve an objective, such as to create a service or produce a
material object, a common problem is scheduling several competing activities that
require exclusive access to resources. Resources can include time or a production
machine. Examples of such situations abound in the real world, ranging from
scheduling your attendance at university courses to arranging the supplies of an
army, or from assembling a complex product such as a car to organizing a com-
putational job sequence in a data center. Invariably, common goals in such situa-
tions are to
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