Description: Functional architecture refers to the design and organization of the functions and features of a system or network. This approach focuses on how the different components of a system are structured and interrelated to meet operational and performance requirements. In the context of various technological systems, functional architecture allows for a clear separation between different operational layers, facilitating management and automation. Key characteristics of functional architecture include modularity, which enables the integration of different technologies and protocols, and scalability, which ensures that the system can grow and adapt to changing needs. Additionally, functional architecture promotes interoperability among various systems and devices, which is crucial in complex and heterogeneous environments. This approach not only enhances operational efficiency but also allows for greater flexibility in implementing new functionalities and services, which is essential in a world where technology is rapidly advancing and user demands are increasingly stringent.