In this article, I offer my thoughts but recognize there's a great deal of room for interpretation for understanding the differences between these terms.

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DZone

The practice of DevOps evolved in the 2000s to address the need to increase release velocity and reduce product time to market. The DevOps answer was to break down silos and encourage greater collaboration facilitated by tooling, cultural change, and shared metrics. The one thing that DevOps was not was a role specification.

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<p>Good explanation and well researched I recommend reading it.</p>
<p>“A wide range of different DevOps implementation approaches will have been adopted across this group, including some of the DevOps “anti-types” described by DevOps Topologies.”</p>
