Software-defined network (SDN) functions by separating the network control plane from the data plane, allowing network administrators to manage network services through abstraction of lower-level functionality. This is achieved through a centralized controller that has a global view of the network. The controller communicates with network devices using protocols such as OpenFlow, enabling dynamic and automated network configuration, improved network management, and more efficient resource utilization.
Software-defined networks function by using a centralized software-based controller to direct traffic and manage network resources. This controller interacts with network devices through standardized interfaces and protocols, allowing for centralized policy enforcement, automated configuration, and real-time network optimization. By decoupling the control plane from the data plane, SDNs provide greater flexibility, scalability, and programmability in managing complex network environments.
Software-Defined Networking (SDN) supports IoT by providing a flexible and scalable network infrastructure that can efficiently handle the dynamic and diverse nature of IoT devices and traffic. SDN enables centralized management and control, allowing for rapid adaptation to changes in the network topology and traffic patterns. This ensures efficient data routing, optimized resource allocation, and enhanced security for IoT deployments. SDN’s programmability allows for the implementation of customized policies to meet the specific requirements of IoT applications.
The main objective of software-defined networking (SDN) is to provide a more flexible, manageable, and programmable network infrastructure. By decoupling the control plane from the data plane, SDN aims to simplify network management, enhance network agility, and improve overall network efficiency. This allows for faster deployment of new services, automated network operations, and better alignment with business needs. SDN also aims to reduce operational costs and improve scalability in response to increasing network demands.