Forrester research highlights how organizations with a mix of modern and legacy operational systems can leverage integration platforms to revitalize their tech stack: “Legacy operational systems struggle to keep up with modern business needs, but ripand-replace is often too costly. A proper integration architecture centered on business interfaces provides a way forward. Middleware such as APIs, event brokers, and integration platform as a service (iPaaS) are key tools in building an architecture that creates efficient ways to modernize legacy systems.