The document discusses Software Defined Environments (SDE) which provide an approach to automating IT infrastructure through software. An SDE abstracts and virtualizes infrastructure resources, allowing applications to automatically define their requirements. This enables infrastructure that is simplified, adaptive, and responsive to changing business needs. SDEs provide agility, efficiency, and performance for modern workloads through fully programmable, integrated, and elastic resources available on demand. The document outlines how SDEs benefit both infrastructure operators and application developers by improving IT economics, security, and the speed of deploying new solutions.