January 12, 2004

It's The Law, Man!

http://www.spectrum.ieee.org/WEBONLY/publicfeature/dec03/12035com.html

A number of rubrics conveying conventional wisdom in IT go by the definition of 'law', when in many cases [like Moore's Law] they are more rule-of-thumb generalizations. This article looks at five instances of such laws, and concludes all are less than perfectly lawlike. Of those examined, it looks like "Rock's Law": Semiconductor tool costs double every 4 years, is the one which now has the least quantitive relationship to reality, being out by a factor of 5 whereas most of the others instances are only out by a factor of two.

Some, like Metcalfe's Law, are impossible to qualtify fully, and thus the degree to which they are adrift is not possible to evaluate in the same way as some of the others. Still I can propound Ox's Law: Rock's Law looks less like a law than a guess, with a perfectly straight face.

Not only is this an interesting discussion of some major factors in the IT industry, but it can also be the starting point of many fruitful investigations, whether about the eponymns of these laws or about their current and future validity.

Posted by jho at January 12, 2004 09:33 PM
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