The Laws of Software Process

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THE LAWS OF SOFTWARE PROCESS

design, etc., the model shown in Exhibit 4 is more “correct.” When work is

handed off to a testing group that is thereafter responsible for the product

and everything that is done to it, then Exhibit 2 and Exhibit 3 are more

“correct.” In both cases, however, the following is true:

• Once the first pass of development is completed and the majority

of the work is now in testing (i.e., under the control of some testing

function or group), subsequent work is largely event-driven and

depends on the kind of defect (event) that occurs and when it is

detected.

• The length of time, resources required, and kind of work to be redone ...