Software-Defined Networking (SDN) and Network Functions Virtualization (NFV) represent distinct but complementary paradigms in modern networking. SDN revolutionizes network architecture by separating the control plane from the data plane, centralizing control in a software-based controller. This enables dynamic configuration, optimized traffic flow, and efficient resource management. In contrast, NFV focuses on virtualizing network functions traditionally performed by dedicated hardware appliances, running them as software on standard servers. By decoupling network functions from proprietary hardware, NFV enhances agility, scalability, and cost-effectiveness in deploying and managing network services. While SDN redefines network control and management, NFV transforms the way network services are provisioned and operated. Together, they offer a potent combination for building agile, scalable, and cost-efficient networks to support the evolving demands of modern applications and services.
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