This document discusses DevOps and continuous delivery approaches. It notes there is a perfect storm forming around programmable infrastructure, adaptable applications, and new processes like Lean and DevOps. Continuous delivery aims for just-in-time deployability without long wait times. DevOps breaks down silos between development and operations for more consistent environments, less manual testing, and faster approval processes. The document outlines continuous delivery and deployment processes and how enabling DevOps requires embracing new cultures. It identifies key DevOps challenges around organizational complexity, roles, and downstream systems and provides tips for overcoming obstacles.