The presentation discusses the concept of 'Mainframe as a Service' by CA Technologies, highlighting how it can enhance enterprise-grade toolsets and streamline development and operations in mainframe environments. It emphasizes the benefits of self-service provisioning, utilization of DevOps practices, and the automation of workflows to improve operational efficiency and reduce total cost of ownership. The session aims to illustrate how modern approaches can deconstruct traditional silos in IT management, ultimately allowing for greater flexibility and efficiency.