SDN
Software-defined networking (SDN) is a network management
architecture that uses software to control a network's infrastructure and
traffic. SDN differs from traditional networks, which use dedicated hardware
devices to control network traffic.
SDN's key features include:
Centralized management
SDN uses a centralized platform to manage the network, making it more flexible and easier to manage.
Separation of control and data planes
SDN separates the control plane, implemented in
software, from the data plane, implemented in network devices.
Virtualization
SDN can create and control virtual networks or control
traditional hardware.
Interoperability
The SDN software can work with any router or switch, regardless of the vendor.
SDN has several benefits, including:
- Application environments as code: SDN can deliver application environments as code, which can reduce network management time.
- Real-time adaptation: SDN is well suited to emerging technologies like IoT.
- Dynamic network creation and destruction: Networks can be spun up and down dynamically.
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