The document discusses managing IT infrastructure across cloud environments. It describes the challenges of managing resources that are distributed across both public and private clouds. It provides examples of how to monitor different cloud layers and types, including infrastructure as a service (IaaS), platform as a service (PaaS), and software as a service (SaaS). It also discusses approaches for monitoring private clouds and hybrid cloud/on-premise environments. Specific examples are provided around monitoring tools from Nimsoft and how they address challenges around visibility, automation, and integration across complex cloud architectures.