Since its beginning in 2008, DevOps has gone from an underground rebellion by developers to a mainstream movement with representatives in every industry and at every scale. You can see the change just by looking at how people attending DevOps events dress: the black T-shirts are still there, but these days there are lots of suits and ties as well. Another hallmark of this success is companies trying to fit DevOps into their existing conceptual frameworks—hence, the plethora of “ITIL and DevOps” papers out there.

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