Description: The Network Functions Virtualization Infrastructure (NFVI) refers to the physical resources and software components used to support the Network Functions Virtualization (NFV) architecture. NFVI provides the foundation on which virtualized network functions are implemented and executed, allowing telecommunications operators and service providers to manage their networks more efficiently and flexibly. This infrastructure includes servers, storage, networking, and other resources that combine to create a virtualized environment. Key features of NFVI include the ability to scale dynamically, automate resource management, and integrate with cloud technologies. The relevance of NFVI lies in its capacity to reduce operational costs, improve agility in service deployment, and facilitate innovation in the development of new applications and network services. In a world where the demand for connectivity and digital services is constantly growing, NFVI becomes an essential component for modernizing networks and transitioning to more agile and efficient architectures.