The Three M’s – The Lean Triad

Posted by Roman Pichler on Feb 27, 2008 @ http://www.infoq.com/

The discussion of applying lean principles to software development has largely focused on identifying and eliminating waste (in Japanese: muda). Lean Thinking equally aims to remove overburden (Japanese: muri) and unnecessary variation (Japanese: mura). Muda, muri and mura are called “the three M’s.” Together they form a dissonant triad. All three M’s must be eliminated to create a sustainable lean process. This article discusses the relationship between the three M’s and argues that the elimination of overburden should be the first step for software development organizations in order to create a lean process.

(see the complete article: http://www.infoq.com/articles/lean-muda-muri-mura)

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