DevOps can be seen as an extension of the successful and well established Agile methodology. Bringing operations into the picture helps the advance from continuous (Agile) development to integration to deployment, but more importantly it helps build a better working environment, one with stronger cross-team relationships.
If I had to describe DevOps in one word, it would be collaboration. The genuine willingness of both the Dev and Ops camps to work together is the foundation, the most important aspect of the philosophy.
DevOps appears as the meeting point in the following diagram:
In this chapter we ...