+A Network Function is a distinct capability within a network, performing a specific task. Traditionally hardware-based, these functions are increasingly [virtualized](/wiki/Virtualization) for flexibility and scalability, forming the backbone of modern [network architecture](/wiki/Network_Architecture).
+## See also
+- [NFV](/wiki/NFV)
+- [SDN](/wiki/SDN)
+- [Orchestration](/wiki/Orchestration)