From the course: CompTIA Security+ (SY0-601) Cert Prep: 8 Network Security Design and Implementation
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Software-defined networking (SDN)
From the course: CompTIA Security+ (SY0-601) Cert Prep: 8 Network Security Design and Implementation
Software-defined networking (SDN)
- [Instructor] Software-defined networking or SDN is a technology that allows network administrators to treat the functionality and implementation details of a network as separate and distinct functions. In a traditional networking approach, an organization's network infrastructure is full of routers and switches that provide both the physical connections that make up the network and the logical capability to determine network routes, port assignments, and other characteristics. When a network administrator wants to reconfigure the network, they log into a router or switch and use a series of commands to alter the configuration. While this may be done manually or using network management software, changes to the network require configuration changes to routers and switches. This combines two different functions of a network. The control plane of a network is responsible for the routing and switching decisions that…
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